Licensing, Certifications, and Insurance

Only work with solar companies that are certified by NABCEP (North American Board of Certified Energy Practitioners)—this ensures the installers meet the highest industry standards.

Verify that the company carries liability and workers’ compensation insurance to protect your property in case of accidents.

Also, confirm they are licensed to install solar in your specific state. This protects you legally if anything goes wrong during the installation.

Strong Track Record

Look for companies that can provide a portfolio of past installations, ideally in your area or on homes similar to yours. A solid track record demonstrates experience and reliability.

Transparent Pricing and Contracts

A trustworthy solar company will provide clear, itemized pricing, including labor, permits, and any additional fees—no surprises.

Financing options should be straightforward, with no hidden fees or gimmicks.

They should also offer robust warranties: equipment warranties typically range from 10–25 years, and workmanship warranties from 1–10 years.

High-Quality Products

The company should use Tier 1 solar panels with a long lifespan and proven reliability. Look for trusted inverter brands like SolarEdge, Enphase, or SMA.

They should also provide ways to monitor system performance in real time, whether through apps or online dashboards, so you can track your solar investment.

Local Knowledge and Support

A top-tier solar company is well-versed in state rebates, tax credits, and utility net metering rules.

They should handle all permits and paperwork efficiently, with no guesswork, ensuring a smooth installation process.

Professionalism and Education

The best companies customize your system based on roof orientation, shading, and energy usage—not just a cookie-cutter installation.

They patiently answer all your questions and provide clear, understandable documentation, empowering you to make informed decisions.

Ethical Business Practices

Avoid companies that make unrealistic promises about savings or performance.

A reputable solar installer will clearly discuss potential challenges, such as roof limitations, HOA restrictions, or seasonal variations in solar output.

If subcontractors are used, ensure they are licensed, insured, and accountable.