Get matched with top solar panel installers in Derry, NH

"If you need a repair or want to have your panels removed for a roofing project, expect to be calling multiple times a day just to get someone to show up. The lack of communication was matched only by the bad-faith representations. When I needed my solar panels removed for a roofing project, trying to get them to commit to a date for the removal and reinstallation turned a 1 week project into a slog lasting 2 months just because they could not commit to a date without me calling incessantly to ask when they were showing up to finish their work. I was hoping this was was not representative of their company culture and business ethic and gave them another chance when I experienced a failure with my inverter. After reporting a problem with my array I was told repeatedly that they would have someone out there quote, this week, to look at it for weeks. Then they finally told me they already had the replacement part on hand, told me it would be fixed that Thursday and then ghosted me for a few more weeks telling me they needed to RMA the part. When the new part was finally installed, it was not configured to adequately serve my system and my battery backup was suddenly useless. Instead of showing any interest in correcting the issue, they just blamed the batteries, shifted the responsibility for fixing their mistake back to me and disappeared. These folks were pleasant to talk to and laid on the apologies, but the action to make things right did not follow. I cannot recommend them unless you want to waste your time hounding someone just to get a response."

"Green Sun Energy did a fantastic job cleaning my solar panels. They were prompt, courteous, and professional. I highly recommend them!"

"I hired Merrimack Valley Plumbing to install a boiler in my home, and my experience was overwhelmingly disappointing. While the boiler functions, the installation process and quality of work raised numerous red flags. I want to share my experience to help others make an informed decision when considering this company. Installation Issues Code Violations: The exhaust is less than 3 feet from the gas meter, and the holes drilled in the joists for intake and exhaust are less than 2 inches from the bottom, both of which do not meet code requirements. Improper Venting: Both the exhaust and intake vents are installed too close to the ground (not meeting the 12-inch clearance required for expected snowfall) and are too close to each other (less than the 12-inch separation required). Unsealed Penetration: The hole drilled in the siding was left unsealed, creating a potential entry point for rodents. Condensate Drain Issues: The installed condensate pump is leaking and wasn’t tested. Additionally, rather than a permanent drain installation, they daisy-chained it into a pump for a portable air conditioner. Wiring Errors: The zones for the primary bedroom and second floor were wired backward, causing overheating in both areas. Missing Outdoor Sensor: The outdoor temperature sensor, critical for proper operation, was not installed. No CO Alarm: A carbon monoxide alarm was not installed, which is essential for safety. Unprofessional Workmanship: Trash, including a metal duct pipe, was left in the crawl space near live electrical wires. Process Concerns Permit Delays: The company failed to file permits before starting work. I only discovered this after contacting the town permitting office myself. Mismanagement and Delays: The project stretched far beyond the promised timeline, with repeated excuses about missing parts and limited crew availability, despite prior assurances that the job would be completed in two days. Broken Promises: They claimed a project manager would take measurements in advance to ensure a smooth installation, but no one came. Additionally, they rescheduled initially, promising a larger crew, only to send a single plumber on the first day. Misinformation and Deception Throughout the project, I encountered multiple instances where Merrimack Valley Plumbing provided misleading or false information: - They lied about the dates permits were filed. - They claimed delivery issues caused delays, though they should have anticipated these based on the advance photos provided. - They repeatedly shifted blame rather than taking accountability for the delays and issues. Overall Experience While the boiler itself works, the installation was riddled with code violations, safety oversights, and poor workmanship. Additionally, the company’s lack of transparency and repeated dishonesty made an already frustrating situation worse. I would not recommend Merrimack Valley Plumbing to others. Their lack of professionalism, disregard for safety codes, and failure to take responsibility for their mistakes created an unnecessarily stressful and costly experience."

"Brian Provencher and son were prompt, courteous, efficient, and reasonably priced. I had a pipe burst on a Sunday night that required me to shut off water to the house. I put in a call to Provencher Plumbing & Heating Monday morning. They had a job scheduled for that day but took the time to come to my home to assess the problem, and then were willing to reschedule a less urgent job they had the next day so as to come fix my pipe first thing in the morning. They arrived early as promised and worked efficiently to get things fixed, a job which required cutting access openings in the walls and tracing a leak from the basement to the second floor. They were careful to do minimum cutting and in the least obtrusive locations, showed me the problem segment of pipe, and were good to explain everything to me as they went along. Both father's and son's manners were courteous and professional. I have already recommended them to a neighbor."