Everything You Need To Know To Find The Best solar inverter manufacturer

Aug. 11, 2025

Best Solar Inverters: Buyer's Guide - Paradise Energy Solutions

Choosing the best solar inverter isn’t as simple as picking the cheapest or flashiest option. In fact, making the wrong choice could affect your solar system’s performance, reliability, and long-term costs.

Picking the right solar inverter is even more crucial than the panels or other system components you select.

That’s why we’ve done the hard work for you. In this expert-verified guide, we’ll explain how solar inverters work, why choosing the right one matters, and reveal the six best solar inverter brands of —carefully reviewed and handpicked by our team of solar professionals at Paradise Energy.

Whether you're a homeowner looking to slash your electric bill or a business leader ready to protect your bottom line, we’ll help you find the right inverter for your solar investment.

Senergy contains other products and information you need, so please check it out.

Meet Our Expert Reviewer

Larry Beiler is the VP of Design & Procurement at Paradise Energy Solutions. With nearly 15 years of experience in the solar industry, Larry holds two NABCEP certifications and has played a key role in the design of many of our 2,000+ solar installations. He leads our team in carefully evaluating and selecting the top-performing equipment we install for both commercial and residential customers.

Quick Glance – The 6 Best Solar Inverters for

Here's a quick look at the six best solar inverter brands we recommend and regularly install at Paradise Energy.

Why Your Solar Inverter Matters

Your inverter isn’t just a piece of equipment—it’s a long-term investment. Making the right choice affects:

How efficiently your system performs
Your ability to track and troubleshoot problems
The financial return on your solar system

Every solar inverter brand shares a lot of the same features and attributes. Price, reliability, efficiency, and product offering are, of course, among the factors that the Paradise Energy team examines when selecting the best solar inverter brands. However, there are three core things that we look at that differentiate and separate the top brands from the crowded inverter space.

Here are the three key factors the Paradise Energy team examines to identify the top solar inverter brands:

1. Monitoring Capabilities

We want to know what's happening with every system we install—without needing to send a crew out if something seems off. That’s why strong monitoring features are a must. Good monitoring allows both you and us to track your system's performance, spot any issues remotely, and even troubleshoot without rolling a truck.

2. Financial Stability of the Manufacturer

Solar inverters should last 10, 20, even 25 years. So, it’s crucial that the company behind your inverter is financially stable enough to honor warranties and provide support throughout that time.

Most of the companies on our list have faced financial challenges at some point—it’s not uncommon in the solar industry. While we closely monitor their financial performance, what concerns us most is when these struggles occur. If a company is struggling during a strong market, that's a significant red flag. On the other hand, financial difficulties during broader market downturns are less alarming.

3. Customer Support

Lastly, how well does the manufacturer support us—and ultimately you—as the customer? Do they offer solid technical resources? Do they help with troubleshooting and warranty claims?

These are the factors that separate good inverter brands from great ones.

Our Picks for the Top 6 Best Solar Inverters in

Enphase Energy: Best for Smaller Roof Mounts

Headquartered in California,Enphase was founded in and has grown to become what many consider the industry's number-one microinverter company.

Where Enphase works best:

Ideal for smaller rooftop systems located near your interconnection point (where your system connects to the grid) - mostly residential.

Key features:

Microinverters under each panel: Converts DC to AC at the panel level.
Top-tier monitoring system.
Battery and EV charger integration available (AC coupled).
U.S. manufacturing option available.

Performance:

Efficiency typically ranges from 97-97.5%

Cost:

Generally, they’re our most expensive option. But they come with the industry’s best standard warranty: 25 years.

Reliability:

Enphase had issues about a decade ago, but they’ve made huge strides, and quality has improved greatly.

We recently toured the Enphase manufacturing facility in Texas and were impressed by their attention to detail and the numerous quality checkpoints built into every step of their process. Watch the behind-the-scenes factory tour video that we filmed during our visit.

SolarEdge: Best For Complex Roof Mounts

SolarEdge is an Israel-based company founded in . They have quickly gained a positive reputation for their unique power optimizer design, which allows for individual panel-level monitoring that enhances efficiency.

Where SolarEdge works Best:

If your roof has multiple angles, shading issues, or tricky layouts, SolarEdge inverters are a great option.

Key Features

Power optimizers under each panel: Helps maximize production even if some panels are shaded or oriented differently.
Excellent monitoring: Tracks performance at the individual panel level.
Integrates with batteries, EV chargers, and load control.
U.S. manufacturing option available: Helps qualify projects for the 10% domestic content tax adder.

Performance:

SolarEdge inverters offer efficiency in the 97-98% range.

Cost:

They're a bit more expensive, but you get advanced features and compliance with rapid shutdown requirements.

Warranty:

The standard is 12 years, and it is extendable up to 25 years on the inverters. Standard 25 years on the optimizers.

Potential downside:

We’ve seen some reliability issues in the past, though improvements have been made, and, from our experience, SolarEdge takes these issues seriously.

SMA: Best for Three-Phase Ground Mounts

Based in Germany,SMA has manufactured solar inverters since . They are widely considered the most reliable inverter on the market and enjoy a reputation for high-quality inverters.

Where SMA works best:

Perfect for mid-to-large commercial three-phase ground mounts.

Key features:

Strong, reliable monitoring portal.
Can integrate batteries on single-phase systems, though it’s not the most flexible option.
Manufactured in Germany (no domestic content option currently).

Performance:

Efficiency is high - typically 97.5-98%

Cost:

More affordable than Enphase and SolarEdge

Warranty:

Standard 10 years, extendable up to 25 years.

Reliability:

A solid, time-tested option with a proven track record.

Growatt: Best Cost-Effective Option for Single-Phase Grount Mounts

Established in , Growatt is a prominent Chinese company known for being the leading residential solar inverter globally.

Where Growatt works best:

If you're looking for an economical option for larger single-phase ground mounts, Growatt is an excellent choice.

Key features:

Offers an 11.4 kW inverter, great for large single-phase projects.
Good monitoring features.
Basic battery integration available, but flexibility is limited.
Manufactured in China and Vietnam (no domestic content option).

Performance:

Efficiency between 97.5-98%.

Cost:

Our most budget-friendly option.

Warranty:

Standard 10 years, extendable up to 20 years.

Reliability:

So far, the reliability has been solid, but we have not installed many of them yet at the time of writing this guide.

CPS: Best for Mid-Sized Three-Phase Ground Mounts

With headquarters in Texas and offices nationwide, CPS America leads the U.S. market in 3-phase string inverters

Where CPS works best:

Ideal for mid-sized commercial three-phase systems, between 50 kW up to a few hundred kW.

Key features:

Good monitoring capabilities.
No battery integration (for models we use).
Manufactured in Thailand, no U.S. domestic content option.

Performance:

Efficiency between 97.5-98%.

Cost:

One of the most economical choices for three-phase systems.

Warranty:

Standard 10 years, extendable up to 20 years.

Reliability:

We’re happy with what we’ve seen so far.

Solectria: Best for Large-Scale Ground Mounts

Yaskawa Solectria Solar, the largest U.S.-based inverter manufacturer, leverages over 20 years of solar expertise and the backing of Yaskawa’s century-long leadership in power electronics

Where Solectria works best:

Best suited for large ground mount systems—think megawatt-scale.

Key features:

Manufactured in the U.S., helping projects qualify for domestic content incentives.
Minimal bells and whistles—focuses on doing solar very well.
Poor native monitoring system, but can integrate third-party monitoring platforms.

Performance:

97.5-98% efficiency range

Cost:

Very affordable, especially for larger projects.

Warranty:

Standard five years, extendable up to 10 years (shorter warranty typical for larger inverters).

Reliability:

We’ve had good experience with smaller Solectria inverters. Newer, larger models are promising, but we’re still gathering long-term data.

What is a Solar Inverter?

Simply put, a solar inverter is the brains of your solar energy system. It converts the DC electricity produced by your solar panels into usable AC power for your home or business. But inverters do more than just inversion. They also:

Implement maximum power point tracking (MPPT): Ensuring you’re getting the most energy out of your panels.
Monitor performance: Providing real-time system and panel-level data so you can track production and spot issues.
Charge batteries (in hybrid models): Some inverters can also convert AC back to DC to store energy in batteries.

What Are The Types of Solar Inverters?

There are three main solar inverter designs on the market today:

String Inverters - The classic setup—a central inverter box typically installed at ground level to handle inversion for the full solar array.
Microinverters - Advanced panel-level inverters that convert DC to AC at each solar panel, offering advanced system monitoring and efficiency, especially for roofs with shading or varying tilt angles.
Power Optimizers - Small devices installed under each panel that condition DC power before sending it to a central string inverter. They combine panel-level optimization with the reliability of a string inverter.

How to Choose the Best Solar Inverter for Your Needs

Ultimately, your decision comes down to which of the three solar inverter types is the most beneficial for your solar system:

String inverters
Microinverters
String inverters with power optimizers

Before we get into choosing between the different types of inverters, we want to touch on the main differentiator between them: converting DC electricity on a string level or converting on a panel level.

With string inverters, the electricity produced by entire groups, or strings, of your panels are converted together. On the other hand, string inverters with optimizers and systems with microinverters offer module-level optimization, which means the power from each individual solar panel is converted separately. Microinverters do this by converting power from DC to AC for each module, while optimizers are essentially a DC-DC converter that allows the power from each module to be harvested separately.

Each type has its own pros and cons, which you should weigh against one another to make your decision.

Recommended reading for commercial solar inverters: Best Commercial Solar Inverters

String Inverters

String inverters, which you may also see referred to as centralized inverters, are the most common, and often the most cost-effective, type of inverter. Your solar panels are arranged in rows or groups called strings. String inverters convert the DC energy produced by each string of solar panels into AC power.

Cost

String inverters tend to be the most affordable option. Some smaller commercial systems and some residential systems may find the more expensive microinverter to be worth the increase in price. However, this is often not the case on larger projects.

Reliability and Warranty

String inverter technology has been used since solar energy’s early days, lending credence to its reliability. However, failure rates will vary from brand to brand.

At Paradise Energy, we most often offer SMA string inverters. With nearly 40 years of inverter design and manufacturing under their belt, they not only have the experience to ensure they’re producing a quality product, but they also have financial stability. That’s important because financially stable companies are more likely to be around to honor their warranties.

Out of the gate, SMA inverters come with a ten-year standard warranty, with the option to extend it for five or ten years. For , SMA has updated its residential inverter line to extend the standard warranty to 15 years at no additional cost!

Ease of Maintenance

With string inverters, all of the equipment is located at ground level, whether your system is installed as a ground mount or a roof mount. While many solar inverters are reliable and can fall under warranty for 20+ years, they are the piece of your solar system likely to have problems first.

Because of that, ground-level equipment makes it easier for operations and maintenance (O&M) teams to access your solar system in case anything goes wrong.

Aesthetics

While ground-level technology is preferred from a maintenance standpoint, it may not be from an aesthetics standpoint. While they’re not particularly large (a little smaller than the size of a standard residential electrical panel), string inverters will take up space somewhere on or in your home or business. And if you have a large system, you will need more than one inverter.

Depending on how streamlined you’d like your system to look, or whether or not you have a good place to install the inverter(s), microinverters may be your preferred option.

Shade Mitigation

Because string inverters convert electricity for groups of solar panels, you may lose out on some electricity production if your roof is shaded. This is because the inverter must convert an equal amount of electricity from each panel in the string. So if one panel is partially shaded and produces less electricity because of the shade, the inverter will only convert that amount of electricity from all other panels in the string, regardless of whether or not they’re shaded.

For example, say there are four solar panels in a string. A nearby tree shades half of one of the four panels for a few hours a day, while the remaining three panels are in full sun. With a string inverter, all four panels will be limited to half production while that one panel is shaded. This only applies to panels in that string. There can be more than one string connected to one inverter.

So the roof where your solar system will be installed is partially shaded, you may want to reconsider going with a string inverter, depending on the size of your system, as you could lose out on some electricity.

Microinverters

Microinverters convert your solar panels’ DC electricity into AC electricity on a module level. While string inverters convert electricity for several solar panels and are located separately from the panels at the ground level, microinverters are installed underneath each individual panel, preferably on the racking of the system.

Cost

Compared to string inverters and string inverters with power optimizers, microinverters are oftentimes the most expensive option. Because of this, they are not typically used on larger solar installations.

Reliability & Warranty

Compared to string inverters, microinverters are a newer technology. This doesn’t necessarily mean that they’re less reliable, but there will be more of them up on your roof, which means more opportunities for failure to occur.

At Paradise Energy, we offer mostly Enphase microinverters. Throughout the years, Enphase has continually streamlined its microinverters with fewer parts, which reduces its failure rate, making it a great option.

Additionally, Enphase microinverters are backed by a 25-year warranty - the most robust in the solar industry.

Ease of Maintenance

String inverters are easy to access for maintenance because they’re located at the ground level. But with microinverters, this isn’t the case. Each panel has a small inverter tucked underneath. That means if they’re having problems, your maintenance team will have to get up on your roof and remove panels to access the inverters that are having issues.

Aesthetics

Microinverters eliminate the need to have a string inverter somewhere inside or outside your building. About the size of an internet router, a microinverter is neatly tucked under your solar panels out of sight. However, microinverters will require a combiner box at ground level.

Shade Mitigation

One of the biggest benefits of microinverters is their ability to convert DC electricity to AC electricity for each individual panel. That means if just one of your eight solar panels is half-shaded, only the shaded panel’s production will be limited, and the other seven panels will produce full electricity.

Depending on how much shade your roof has, this may make microinverters the better choice, even if they are more expensive than a string inverter initially. They’ll also offer module-level monitoring, meaning you can see how much electricity each solar panel is producing on your monitoring software. With string inverters, you’ll only be able to see how much electricity each string is producing.

String Inverters With Power Optimizers

You can think of optimizers as somewhere between string inverters and microinverters. Like microinverters, these offer module-level poweSr electronics. However, they do so with the inclusion of a string inverter.

Optimizers are small devices that will be installed underneath each panel, similar to microinverters. But instead of converting the sun’s power from DC to AC right at the panel, they’ll send it to the string inverter.

Cost

A system that utilizes string inverters and power optimizers is often a more affordable option than a system that uses just microinverters. But compared to a stand-alone string inverter, you will have the added costs of the power optimizers themselves, making them a more expensive option.

Reliability & Warranty

Power optimizers are reliable, well-designed pieces of equipment, which are backed by the reliability of string inverters.

At Paradise, we typically use either SolarEdge string inverters with SolarEdge optimizers or SMA string inverters with Tigo optimizers. After years of experience, we feel that both offer an exceptional amount of reliability and are backed by solid warranties.

SolarEdge offers a 12-year warranty on its string inverter, which can be increased by eight to 13 years with an extended warranty. The optimizers come with a 25-year warranty. SMA string inverters will have a ten-year standard warranty, with a five- to ten-year extended warranty option. For , residential inverters come with a 15-year standard warranty at no extra cost. Tigo optimizers also come with a 25-year warranty.

Ease of Maintenance

Power optimizers are a hybrid of ground-level and roof-level technology. While the string inverter will be located at ground level, the power optimizers will be installed underneath each solar panel.

Should something go wrong with the power optimizers, your maintenance team will have to get up on your roof and remove panels to get to them. However, if something goes wrong with the string inverter, they’ll be able to troubleshoot and fix the inverter without removing the panels.

Aesthetics

Unlike microinverters, which tuck away the inverter equipment underneath the solar panels, power optimizers still require a string inverter or inverters at ground level somewhere on your property. However, they do offer increased production on a shaded roof for less than the cost of microinverters.

Shade Mitigation

String inverters with power optimizers offer the same shade mitigation as microinverters, making them a great option for cost-conscious solar owners with shady roofs.

The power optimizers will allow each solar panel to contribute power based on how much each panel is actually producing, as opposed to the lowest-producing panel in the string. They will also give you a deeper look into your solar system with module-level monitoring.

Common Questions about Solar Inverters

The Best Solar Inverter Truly Depends on Your Goals & Individual Project

Best Solar Inverter Brands of - This Old House

Solar inverters are the heart of a solar power system, converting sunlight into usable electricity for your home. The right inverter boosts panel efficiency, maximizes energy production, and optimizes overall system performance. While top solar companies will select the best inverter for your setup, understanding how they work and the leading residential manufacturers can help you make an informed decision.

This guide explains how solar inverters function and their role in energy conversion. It also highlights some of the top solar inverter brands to consider for your home.

Blue Raven Solar: Most Reputable
Venture Solar: Best Northeast Regional Installer
Solar Energy World: Best East Coast Installer
Sunrun: Best Solar Panel Leasing

What Is a Solar Inverter?

A solar inverter is a crucial component of a solar energy system, converting solar power into usable electricity for your home. Solar panels absorb sunlight and generate direct current (DC) electricity, but most homes in the U.S. use alternating current (AC) power. The inverter bridges this gap by converting DC electricity into AC power, making it compatible with your household appliances and electrical system.

Because solar inverters connect directly to your solar panels and home, they provide valuable insights into energy production. Many solar monitoring systems rely on inverters to track panel performance, energy consumption, and potential issues. The inverter transmits this data via Wi-Fi, allowing homeowners to monitor energy output through a mobile app or web portal. Depending on the type of inverter, you may receive system-wide energy readings or individual panel performance details.

Inverters also play a key role in managing stored energy. When DC power flows from solar panels into a solar battery, the inverter ensures it’s stored efficiently. When your home needs power, the inverter converts stored DC electricity back into AC for use.

It’s important to note that solar inverters are different from charge controllers, which regulate the flow of electricity to solar batteries. While the inverter handles energy conversion, the charge controller manages power distribution, ensuring proper battery performance. Both components are essential for an efficient solar battery storage system.

Types of Solar Inverters

All solar inverters perform the same essential function but vary in efficiency, cost, and energy monitoring capabilities. Below is an overview of the main types of solar inverters.

String Inverters

String inverters, also called central inverters, connect multiple solar panels and convert energy for an entire solar array. They are one of the most cost-effective inverter options but are less efficient than other types. If the central inverter experiences an issue, it can shut down several panels simultaneously, reducing energy production. These inverters are also vulnerable to shading problems. If one panel is shaded, the entire array’s output decreases. However, string inverters are relatively easy and inexpensive to repair.

These inverters typically last five to 10 years and offer limited performance tracking, as energy data is grouped rather than separated by individual panels.

Microinverters

Microinverters attach directly to each panel, maximizing power output and improving efficiency. Unlike string inverters, shading on one panel does not impact the entire system, ensuring better overall performance. However, microinverters are more expensive because each panel requires its own unit, increasing installation costs.

Although they require more maintenance due to their rooftop placement, microinverters have a longer lifespan of at least 25 years. They also provide detailed system monitoring, allowing homeowners to track the performance of each panel separately.

String Inverters and Power Optimizers

Power optimizers improve the performance of string inverters by maximizing DC power output before sending it to the inverter for conversion. This setup helps increase efficiency and allows for panel-level monitoring, but it is more complex and increases overall system costs. Power optimizers help mitigate shading issues and improve energy production despite the added expense.

Hybrid Inverters

Hybrid inverters, also called battery-ready inverters, work with both grid-tied and off-grid systems by incorporating backup battery storage. Typically, grid-tied solar panels stop working during a blackout, but hybrid inverters allow the system to draw power from solar batteries, keeping essential appliances running. These inverters offer greater energy independence and can be a good option for homeowners looking for backup power solutions.

Off-Grid Inverters

Investing in an off-grid solar system requires specialized inverters that operate independently from the power grid, relying entirely on solar panels and battery storage. These systems use Maximum Power Point Tracker (MPPT) charge controllers to prevent battery overcharging and improve efficiency. Off-grid inverters manage the charging and discharging of batteries to keep power flowing to your home.

While off-grid solar systems can be costly and require extensive setup, they are ideal for homes in remote locations. Some homeowners consider DIY solar systems, but they require significant electrical expertise and may not be the best choice for the average homeowner.

Major Differences Among Solar Inverters

Solar inverters differ in several ways, including efficiency, cost, and warranty coverage. We’ve detailed each comparison factor below.

Cost

String inverters are the cheapest and require fewer inverters for your system. Microinverters are more expensive but offer better results. Inverters qualify for solar incentives, meaning homeowners can use the federal solar tax credit to receive up to 30% off their total solar installation cost.

Efficiency

Efficiency plays a key role in inverter performance. Inventory efficiency represents how well the component converts DC to AC power. During this conversion process, some energy is lost. The higher the energy loss, the lower the efficiency rating. Look for solar inverters with high efficiency ratings between 96% and 99%.

Power Output

Solar inverters will match your system or panel size depending on the type. The string inverters’ maximum output capacity should match your system size. If you’re using multiple string inverters, each inverter should match the connected panels’ total wattage. You’ll match your panel size to the inverter’s maximum output when using microinverters. This size pairing is the best way to avoid clipping, which happens when solar panels produce more power than the inverters can handle, reducing your usable electricity.

Warranty

String inverters include five to 10 years of warranty coverage and require more frequent replacement. Quality microinverters typically have a 25-year warranty. Longer coverage means fewer equipment changes and protection for your solar panels’ life span.

We recommend checking inverter warranties for mentions of labor costs, shipping expenses, and full protection details. Some aspects of an inverter, such as Wi-Fi communication equipment, may have a shorter warranty than the other components. If the communication goes out, you must replace the device to resume system monitoring.

Our Top Solar Company Picks

Most Reputable

Blue Raven Solar

4.7 Overall Score Cost $17,307 Warranty 25-year panels, 10-year workmanship BBB Rating A+

Blue Raven Solar has one of the best reputations for reliability and trustworthiness. It has won awards for its team and CEO, and customer reviews report great customer service and prompt installations. The company also stands out for its in-house financing, which includes 18 months of free solar energy.

How We Scored Blue Raven Solar

Blue Raven received 4.4 out of 5 stars according to our rating system. The company scored the most points for its customer service reputation and warranty coverage. It also earned points for providing all standard solar panel services but lost some due to its limited financing options and lack of roof-leak coverage.

Solar Equipment and Services (18 out of 25 points): Blue Raven offers solar panel and battery installation, active monitoring services, and energy audits. However, it doesn’t offer solar roofs, EV chargers, or additional roofing services.
Warranty and Performance Guarantees (22 out of 25 points): The company offers top-of-the-line warranties, including a 25-year workmanship warranty. The company earned points fo providing a performance guarantee, but its guarantee is shorter than many other providers. However, it doesn’t provide any roof leak coverage.
Brand Reputation and Professional Certifications (13 out of 15 points): Blue Raven has high customer review ratings on its BBB profile and other popular review sites. The company uses in-house installers but doesn’t ensure they’re NABCEP-certified, which made it lose some points in this category.
Financing Options (12 out of 15 points): Blue Raven offers some of the best in-house financing of the companies this list, but it limits this financing to solar loans. You may want to consider a different provider, such as Sunrun, if you’re looking for a lease or PPA.
Industry Experience (7 out of 10 points): Blue Raven has less experience than other providers, with only 10 years in the industry.
State Availability (7 out of 10 points): The company limits its service area to 19 states.

Warranty and Financing

Warranty

A Blue Raven system has a 25-year product warranty, a 10-year workmanship warranty, and a two-year production guarantee.

Financing Options

✔ Full purchase
✔ Loan

State Availability

Available in: Colorado, Florida, Idaho, Illinois, Indiana, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nevada, North Carolina, Ohio, Oregon, South Carolina, Texas, Utah, Virginia, Washington

Reputation and Reviews

Blue Raven has won numerous awards from Comparably, a site known for its company culture and reputation reviews. It also ranked No. 20 on Glassdoor’s Best Place to Work in the USA in .

Blue Raven is accredited by the BBB and currently holds an A+ rating. We noted that customers praised the knowledgeable staff and prompt installation but cited poor communication after completing projects. We analyzed several consumer reviews and found that some of these issues stem from the company’s financing department and third-party installers.

Best Northeast Regional Installer

Venture Solar

4.8 Overall Score Cost $13,636 Warranty 25 years BBB Rating A+

Venture Solar specializes in installing systems that are perfectly symmetrical and have no visible wiring or mounting devices. This design provides a simple, stylish look tailored to your roof’s appearance. Additionally, Venture offers comprehensive financing options similar to Sunrun, making solar energy more accessible to homeowners.

Pros and Cons

Pros

Provides transparent information about its financing options online
Includes remote monitoring
Includes a 25-year roof and system warranty with all panel systems

Cons

Requires your number to submit an online quote
Reviews mention mixed experiences with customer support
Doesn’t work with power purchase agreement

How We Scored Venture Solar

Venture earned 4.2 out of 5 stars. It gained most of its points due to its flexible financing options paired with an in-house financing department. It also provides plenty of solar services to match most customers’ wants and needs, though it lost points for lacking roofing services, energy audits, and EV charger installations.

Solar Equipment and Services (16 out of 25 points): Venture offers solar panel and battery installation with active monitoring. The company lost points in this category because it doesn’t provide EV chargers, solar roof installation services, energy audits, and roof repairs.
Warranty and Performance Guarantees (25 out of 25 points): The company features excellent warranty perks with 25 years on labor, products, and performance. It also includes roof leak protection.
Brand Reputation and Professional Certifications (13 out of 15 points): Venture has a great reputation. It features high ratings on its BBB profile with an accreditation and no active issues like lawsuits.
Financing Options (14 out of 15 points): Venture provides financing options through an in-house financing team and works with every payment method except PPAs.
Industry Experience (7 out of 10 points): The company holds only eight years of experience in the solar industry.
State Availability (7 out of 10 points): Venture has a limited service area of only three states.

Warranty and Financing

Warranty

Venture offers a 25-year bumper-to-bumper warranty that covers workmanship, products, and power output.

Financing Options

✔ Full purchase
✔ Loan
✔ Lease

State Availability

Available in: Connecticut, Massachusetts, and New York.

Reputation and Reviews

Venture has an A+ rating and accreditation on its BBB profile. According to customer reviews, the company provides high-quality workmanship on its solar panel systems and good customer support. However, some customers have raised concerns about the pricing and quoting process. They found it confusing to determine the total cost of their system and experienced frequent back-and-forth over pricing.

Some customers also noted that Venture focuses on premium products, leading to higher pricing even when unnecessary. We found several Reddit threads discussing Venture where other solar customers and installers mentioned similar experiences.

Best East Coast Installer

Solar Energy World

4.4 Overall Score Cost 4 Warranty 25–30 years BBB Rating A+

Solar Energy World (SEW) is one of the most robust and well-regarded solar installation companies. It boasts several impressive features, such as its 30-year manufacturer’s warranty. Its service area is limited, and it doesn’t offer energy auditing services. We like that SEW discloses what solar panels it primarily works with and that the panels are from trusted, quality brands such as Qcells and Silfab.

Pros and Cons

Pros

Features an extensive solar product catalog with trusted brands
Includes free active monitoring
Hires NABCEP-certified installers and designers

Cons

Reviews mention communication issues with staff
Warranty coverage varies by solar panel brand
Doesn’t offer a power production guarantee

How We Scored Solar Energy World

SEW scored 4.4 out of 5 stars according to our methodology. The company received many points because of its warranty, which is longer than most other solar companies’ warranties. SEW offers a 30-year manufacturer’s warranty on all its solar panels and inverters, whereas many providers only offer 25-year warranties.

Solar Equipment and Services (18 out of 25 points): The company is an ideal option for many basic solar products and services, such as solar panels and battery installation. It lost points because it doesn’t install EV chargers or perform energy audits.
Warranty and Performance Guarantees (19 out of 25 points): SEW’s manufacturer and labor warranties are standout features, but the company doesn’t include any production guarantees with its work.
Brand Reputation and Professional Certifications (15 out of 15 points): The company’s reputation is one of the best, with high BBB and Google Reviews ratings. We also found no active alerts or lawsuits.
Financing Options (13.5 out of 15 points): SEW offers all possible solar payment options but doesn’t provide an in-house financing department.
Industry Experience (8 out of 10 points): The company has been in business since , so it received most of the points in this category.
State Availability (6 out of 10 points): SEW limits its service area to eight East Coast states.

Warranty and Financing

Warranty

SEW offers a 30-year manufacturer’s warranty on all purchased solar panels and inverters. However, coverage varies by brand, and the company doesn’t guarantee them with every panel option.

Financing Options

✔ Full purchase
✔ Loan
✔ Lease
✔ PPA

State Availability

Available in: Washington, D.C, Delaware, Florida, Maryland, New Jersey, North Carolina, Pennsylvania, South Carolina, and Virginia

Reputation and Reviews

The company landed on Solar Power World’s Top Solar Contractors List in the No. 10 spot.

The BBB accredits SEW, and the company holds an A+ rating. Former customers praise the company for its professionalism, assistance with applying for financial incentives, and smooth installation process. However, some reported discrepancies in finances and scheduling.

Best Solar Panel Leasing

Sunrun

4.9 Overall Score Cost $14,812 Warranty 25-year panels, 10-year workmanship BBB Rating A+

We like Sunrun for its four financing options, including its unique leasing options if you don’t want to own your system. This stands out to us because the other companies on this list don’t offer as many options.

Prepaid and leased systems also include a 25-year warranty with system service and maintenance, ongoing monitoring, and theft insurance. The company even offers financing plans for quality monocrystalline solar panels and products from trusted brands such as LG.

Pros and Cons

Pros

Provides system monitoring that signals issues with your system
Offers diverse financing options to suit various budgets
Provides EV and solar battery solutions

Cons

Limited online information on solar incentive disqualification with leases
Requires added costs for the same coverage plans as leased and prepaid customers
Varies solar battery availability by state

How We Scored Sunrun

Sunrun earned 4.4 out of 5 stars based on our methodology. The company gained many points for its positive reputation, comprehensive leasing options, and well-rounded warranty coverage. It lost some points for is limited service selection.

Solar Equipment and Services (15 out of 25 points): Sunrun provides solar panel and battery installation but uses third-party installers. Though this is becoming an industry standard, in-house installers typically yield better communication and quality. The company also doesn’t provide roofing services or energy audits but does offer quality active monitoring assistance.
Warranty and Performance Guarantees (19 out of 25 points): Sunrun offers quality warranties, such as its 25-year manufacturer and labor warranty, but doesn’t include a performance guarantee.
Brand Reputation and Professional Certifications (13 out of 15 points): Sunrun has one of the higher customer BBB ratings we’ve encountered, and the company maintains an overall positive customer reputation online.
Financing Options (13.5 out of 15 points): The company doesn’t offer any in-house financing but provides more warranty coverage for customers interested in solar leasing than other providers, such as Palmetto.
Industry Experience (9 out of 10 points): Sunrun holds 17 years of experience in the solar industry, making it a veteran compared to a newer company such as Blue Raven Solar.
State Availability (8 out of 10 points): The company only serves 18 states.

Warranty and Financing

Warranty

Sunrun backs its systems with a 10-year comprehensive warranty which includes product, roof penetration, and workmanship coverage.

Financing Options

✔ Full purchase
✔ Loan
✔ Lease
✔ PPA

State Availability

Available in: California, Colorado, Connecticut, Florida, Hawaii, Illinois, Massachusetts, Maryland, Nevada, New Hampshire, New Jersey, New Mexico, New York, Pennsylvania, Rhode Island, South Carolina, Texas, Vermont, plus Washington, D.C. and Puerto Rico.

Reputation and Reviews

The company earned DroneDeploy’s Guardian of Safety Award for incorporating drone technology in its site assessments. In and , Sunrun was recognized by Comparably with 14 awards. Its accolades include Best CEOs for Diversity , Best Company Culture , and Best Company for Women two years in a row.

Sunrun currently holds an A+ rating from the BBB and is accredited. Former customers praised the comprehensive coverage for leased systems but complained about delayed installations, poor customer service, and poor communication with project managers. Additionally, some customers note being confused by Sunrun’s leasing and PPA options, though they also mention Sunrun is willing to discuss and clarify these plans.

Best Solar Inverter Brands

We’ve highlighted some of the best solar inverter brands for residential installations and what features make them stand out.

Enphase: Best Warranty

Founded in California in , Enphase has become one of the most popular inverter brands thanks to its advanced microinverter technology. The company offers a 25-year warranty with its inverters, one of the longest available. Enphase microinverters offer output power between 0.24–0.366 kilowatts (kW) and efficiency ratings of up to 97.5%. The company also carries the popular IQ Battery specifically for use with its microinverters.

Most popular inverter model: The Enphase IQ8 series

SolarEdge: Best Efficiency

Headquartered in Israel, SolarEdge offers high-performance string inverters with some of the best efficiency ratings available. These inverters maximize panel performance but are more affordable than microinverters. They reach up to 99% efficiency, some of the solar industry’s highest ratings. SolarEdge string inverters offer 3–11.4 kW power output and come with a 12-year warranty, but you can extend it up to 25 years for an additional cost.

Most popular inverter model: The SolarEdge HD Wave inverter series

SMA: Best Value

Founded in , SMA Solar Technology has expanded into a leading worldwide inverter manufacturer. The company offers affordable string inverters for residential installations. Although its inverters don’t include power optimizers, they do offer reliable performance with outputs ranging between 3–11.4 kW and maximum efficiency ratings of 98.5%. The warranty coverage is 10 years but is extendable for additional fees.

Most popular inverter model: SMA Sunny Boy series

Company Star Rating BBB Rating Warranties Blue Raven SolarRead Our Review4.7/5A+25-year panels, 10-year workmanship Venture SolarRead Our Review4.8/5A+25 years Solar Energy WorldRead Our Review4.4/5A+25–30 years 4.9/5A+25-year panels, 10-year workmanship

How To Choose the Best Solar Inverter

Your solar panel provider may offer several options for solar inverters. When choosing your preferred inverter, we recommend considering the following factors.

Brand reputation: Look for reputable solar inverter manufacturers with high-quality products and long-term warranty coverage. Check online reviews for solar inverter brands and look for mentions of poor component quality, warranty replacement issues, or manufacturing defects.
Cost: The more inverters you install, the higher the overall cost. You’ll also pay more for microinverters than string inverters.
Customer support: Get full details about the warranty replacement process and customer support options. Depending on the solar provider’s policies, you may place a warranty claim through them or directly with the inverter manufacturer. Get clear details on their policies and contact information for the manufacturer, if needed.
Monitoring options: Your solar inverters should include options for monitoring and a dedicated app to track performance. Ensure your chosen inverter has Wi-Fi capabilities and a communication device to transmit panel data.
System compatibility: Choose solar inverters compatible with your overall panel design. Your solar installer will offer a selection of inverters that work with your system. Some providers may have their own in-house inverters for their systems.

Our Conclusion

Solar inverters are essential to both panel function and system performance. Your inverter choice impacts your energy production, system efficiency, and monitoring capabilities. Pairing quality inverters with the best solar panels will provide maximum energy efficiency and long-term savings.

We recommend getting quotes from at least three solar companies to compare their system components and inverter options.

FAQ About Solar Inverters

What type of inverter is the most efficient?

Microinverters are the most efficient option since they handle power conversion on the individual panel level. They offer higher efficiency ratings and waste very little energy during conversion.

What is the most common residential solar panel inverter type?

String inverters are the most common inverters used in residential solar systems. These inverters connect to multiple solar panels and convert your home’s DC energy to AC electricity. String converters work best in homes with minimal shading and simple solar panel designs.

Can I replace a solar inverter myself?

Yes, you can replace a solar inverter if you have intermediate electrical and solar technology knowledge and expertise. Otherwise, you might damage your solar system, impact panel performance, or cause personal injury. We recommend contacting a professional solar installer to assist with inverter replacement.

What is the life span of a solar inverter?

String inverters can last five to ten years before needing replacement, while microinverters offer life spans of 25 years or longer.

Our Rating Methodology

We are committed to providing comprehensive and unbiased reviews to our readers. After over a thousand hours of research on solar companies, interviews with experts, and common customer needs, we’ve created a detailed rating system for solar providers based on six factors:

Solar equipment, installation, and services (25%)
Warranty and performance guarantees (25%)
Brand reputation and certifications (15%)
Financing options (15%)
Experience (10%)
Availability (10%)

Total scores are divided by 20 for a final 5-point rating scale.

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