How Do You Find a Great Solar Installer?
Solar is a major, decades-long investment tied to your roof and electrical system, so the installer you choose determines whether you get a well-designed, high-performing system that lasts, or a problematic one. Finding a great installer matters enormously. The best ones share clear traits. Here’s how to find one.
They’re Experienced and Properly Credentialed
The foundation is genuine experience and proper credentials, licensing for both electrical and roofing work, and insurance. Solar installation is technical, involving your roof’s integrity and your home’s electrical system, and an installer’s expertise directly affects the system’s quality, performance, and safety. An experienced, credentialed installer with a solid track record is far more likely to design and install a system correctly. Experience and proper licensing are the first things to verify, since they underpin the quality and safety of a system that ties into your home for decades.
They Use Quality Equipment
The best installers use quality panels, inverters, and components with strong warranties, rather than the cheapest options. Equipment quality affects both how much electricity the system produces and how long it lasts, so good equipment is central to a system that delivers value over its long life. An installer who uses and can explain their choice of reputable, well-warrantied equipment is investing in your system’s performance and durability. Since you’ll live with this system for decades, the quality of the panels and inverter matters greatly, and the best installers don’t cut corners on it.
They Design the System Well
Great installers design the system thoughtfully, correctly sized to your usage, optimized for your roof’s orientation and shading, and configured with the right inverter approach for your situation. Good design maximizes production and value; poor design leaves savings on the table. An installer who carefully assesses your roof and energy needs and designs accordingly, rather than applying a one-size-fits-all approach, delivers a system tailored to your home. Thoughtful design, matching the system to your specific roof, usage, and goals, is a defining trait of a quality installer.
They’re Transparent About Cost and Savings
The best installers are transparent about the full cost, the net cost after incentives, and realistic expected production and savings, without overpromising. Honest, clear information about what you’ll pay and what you’ll get lets you make a sound decision, while inflated savings promises are a warning sign. An installer who provides realistic estimates, helps you understand the incentives, and doesn’t pressure you with exaggerated claims is dealing with you honestly. Transparency about the real economics is a mark of an installer you can trust with a major financial decision.
They Offer Strong Warranties and Are Stable
The best installers back their work with strong warranties, on equipment, workmanship, and roof penetrations, and are established, stable companies likely to be around to honor them. Because solar warranties span many years, the installer’s longevity matters as much as the warranty terms. A financially stable, long-established installer offers real assurance that both the system and the company will stand behind your investment for its long life. Strong warranties from a stable company are essential protection for a decades-long investment. (For more on this, see Common Solar Installation Mistakes and How to Avoid Them.) The Department of Energy’s Homeowner’s Guide to Going Solar walks through site suitability, financing options, and what to ask an installer.
They Have a Strong Reputation
Finally, the best installers have solid reputations, positive reviews, references, and a track record of satisfied customers whose systems perform well over time. Since solar is a long-term investment, reviews that speak to systems still performing well years later, honored warranties, and honest dealing are especially valuable. A well-reviewed installer with a history of quality installations and happy long-term customers has demonstrated the reliability you want. Reputation, particularly evidence of lasting performance and integrity, reflects an installer you can trust with a major, long-lived investment in your home. (For more on this, see How to Choose the Best Solar Panels for Your Home.)
Verifying Reputation and Longevity Before You Commit
Because a solar installer relationship effectively spans decades through the warranty period, verifying reputation and longevity deserves more effort than for a typical home service. Look at how long the installer has been in business, since a company with a long, stable track record is far more likely to still exist to honor warranties years from now than a new operation or one that has changed names, a known concern in an industry where some companies come and go. Check their standing with reviews, references, and any relevant industry certifications, and look specifically for evidence of systems that have performed well over years, not just recently completed installations that haven’t yet been tested by time.
The most telling verification is talking to past customers whose systems are several years old. A solar installation can look perfect at completion and only reveal problems, underperformance, roof leaks around mounts, inverter issues, over subsequent years, and it’s the installer’s response to those later issues that separates the genuinely reliable from the merely good at selling. Ask longer-term customers whether the system met its production estimates, whether any problems arose, and how the installer handled warranty service. An installer with a history of systems that perform as promised and warranty issues handled well has demonstrated exactly the durability and integrity that matter for a decades-long investment. This kind of longevity and track-record verification, more than any sales presentation or the lowest bid, is what identifies an installer you can trust with a system tied to your home for its entire lifespan. (For more on this, see Questions to Ask a Solar Installer.)
How to Compare Your Options
Compare solar installers on experience and credentials, equipment quality, system design, cost transparency, warranties and stability, and reputation, not just the lowest price. For a decades-long investment, the cheapest bid with inferior equipment or an unstable company is rarely the best value. When you’re ready to connect with qualified, trustworthy local pros, use the button below.
Frequently Asked Questions
Look for one that's experienced and properly licensed (for electrical and roofing) and insured, uses quality equipment with strong warranties, designs the system well for your roof and usage, is transparent about cost and realistic savings, offers strong warranties and is a stable company likely to honor them, and has a solid reputation with lasting-performance reviews. Not just the lowest price.
Genuine experience and proper credentials, licensing for both electrical and roofing work, and insurance. Solar is technical, involving your roof's integrity and electrical system, and an installer's expertise directly affects the system's quality, performance, and safety. An experienced, credentialed installer with a solid track record is far more likely to install correctly. Experience and licensing underpin everything else.
Because it affects both how much electricity the system produces and how long it lasts, and you'll live with the system for decades. The best installers use quality panels, inverters, and components with strong warranties rather than the cheapest options. An installer who uses and can explain their choice of reputable, well-warrantied equipment is investing in your system's performance and durability.
Because solar warranties span many years, and a warranty is only as good as the company behind it. A financially stable, long-established installer is more likely to be around to honor warranty service years later. The installer's longevity matters as much as the warranty terms, offering assurance that both the system and the company will stand behind your decades-long investment.
No. For a decades-long investment tied to your roof and electrical system, the cheapest bid with inferior equipment, poor design, or an unstable company that may not honor warranties is rarely the best value. Compare on experience, credentials, equipment quality, design, cost transparency, warranties, stability, and reputation. The right installer matters far more than the lowest price.




