Expert Solar Maintenance and Repair Services in Massachusetts
Protect your solar investment with trusted maintenance and technical diagnostics focused on long-term performance and home integrity. Serving Westford, Lexington, Andover, Dracut, and Southern New Hampshire.
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Local Specialists for Aging Solar Systems
Comprehensive Solar Maintenance Rooted in Restoration Expertise
At Sun Diagnostics, solar maintenance means more than just keeping panels clean. We bring over 25 years of construction and restoration experience directly to the care of your solar array. As systems in Middlesex County and Southern New Hampshire reach the critical 10 to 12 year mark, many homeowners find themselves left behind by 'install-and-exit' companies. Our service fills this gap, combining advanced electrical diagnostics with a deep understanding of the roof’s structural role in system longevity. Whether you are dealing with production drops, leaking roof hardware, or the end of your equipment's original warranty, our team is equipped to diagnose, repair, and maintain your system for years to come. We focus on protecting both your renewable energy asset and your home’s watertight envelope, so you can enjoy peace of mind and maximum production.
Why Choose Sun Diagnostics for System Care
A Trusted Partner for Solar Maintenance and Repair
Homeowners in Westford, Lexington, Andover, Dracut, and surrounding communities trust Sun Diagnostics because we do the job right the first time. Our approach is built on a restoration mindset, with every service call handled by a fully licensed and insured, manufacturer-certified team, never subcontractors. You work directly with the owner, Stephen Cuzziere, whose hands-on oversight and decades of experience set us apart from generic solar contractors. We are certified by Enphase and SolarEdge, ensuring that your system receives the highest level of technical service. Our same-day response for urgent leaks or equipment failures, personal warranties of 5, 15, or 20 years, and preference for check or cash payment help keep costs low and accountability high. When it comes to maintaining or reviving your solar system, trust the professionals who understand both the technology and the home it protects.
Our Process and Core Maintenance Services
Thorough Diagnostics, Repairs, and Ongoing Care
Our solar maintenance services begin with a detailed diagnostic assessment to identify root causes, never guessing or part swapping. We address everything from inverter failures to leaking roof penetrations. Our services include ongoing performance checks, watertight array inspections, hardware replacement, and comprehensive system audits. For clients facing roof replacements, we provide safe removal and expert reinstallation of solar modules, working closely with your roofer to prevent future leaks. We specialize in resolving issues that arise in systems 10 years and older, including warranty claim management, production troubleshooting, and restoring performance after weather or fire-related damage. All work is performed by our employee-based team, ensuring quality control and direct accountability throughout the process.
Peace of Mind for Your Solar Investment
Reliable Maintenance Backed by Experience and Integrity
Choosing Sun Diagnostics means securing the long-term value of your solar system and your home. Our roots in restoration and roofing give us a unique advantage, protecting both your energy production and your roof’s integrity. We stand by our work with personal warranties and a commitment to ethical, transparent service. Our clients appreciate our straightforward approach, direct access to the owner, and our readiness to respond quickly when issues arise. Serving the greater Westford area and Southern New Hampshire, we are committed to delivering lasting repairs and preventative maintenance that keep your system running efficiently year after year.
Common Questions About Solar Maintenance and Repairs
What Homeowners Want to Know About Protecting Their Solar Systems
What is included in solar maintenance?
We perform annual system performance checks, debris removal, and hardware inspections.
Why is ongoing maintenance necessary?
Regular maintenance extends the life of your investment and prevents costly production drops.
Do you inspect the roof under the array?
Yes, we perform watertight array inspections to ensure your roof's integrity is maintained.
When is the best time for maintenance
We recommend spring solar performance audits and post-winter hardware inspections to prepare your system for the season.
Who performs the maintenance checks?
All maintenance is performed by our vetted employees, as we utilize absolutely no subcontractors.

What Clients Say About Our Solar Maintenance









