4.5 
29 *The Angi rating for Solar Panel Service companies in Gaithersburg, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Solar Panel Service needs.
*The HomeAdvisor rating for Solar Panel Service companies in Gaithersburg, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Solar Panel Service needs.
Last update on April 14, 2025
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"Aduu solar educated me the solar buying process and did a great job breaking down which fits me best."
+3
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Jefre from Sonergy was fantastic from the very beginning. He responded immediately from my job request on Angi, and agreed to evaluate my solar panel system the next day. He was able to determine the problem immediately after troubleshooting my system and he followed through by ordering and installing the new inverter. He was very conscientious and paid great attention in performing the job and clearly explaining the repair process as well as the monitoring process. He was very knowledgeable with my solar panel system, such that he helped me to transfer my system monitoring to his company Sonergy. I feel very happy to know that my solar panel system will be properly monitored and maintained by Sonergy. I received phenomenal customer service from this customer and I would highly recommend and rate them 5 . out of 5 stars."
+11
Serving Gaithersburg, MD and surrounding areas
Approved (Corporate)
In business since 2015
Free estimates
Small jobs welcome
"They make great value for the product, great communication, and I highly recommend them."
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 1996
Emergency services offered
Credit card accepted
"Quick turnaround, professional service, great rate."
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 1990
Free estimates
Customers say: True professional
"We have depended on Fred and Son for expert plumbing help for years now. Today it was Joe who did the installation, and we couldn't be happier with his work. Equally important, we appreciate how friendly, considerate, and professional he was throughout his visit. We will continue to have Fred and Joe on speed dial!"
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"It was good service. The price is reasonable and good quality work."
Serving Gaithersburg, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Emergency services offered
"Great. I don’t usually write reviews and I was impressed and am having them come back for a bigger project."
Serving Gaithersburg, MD and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"I emailed Day and Night Plumber after my old water heater started shooting water out the front panel and within 10 minutes I got a phone call from them with an appointment for an estimate with Marin. The quote was very reasonable and after I supplied the Hybrid Water Heater, Marin was able to come install it on Sunday. He was extremely knowledgeable, efficient, and hard working. He finished everything, cleaned up the area, hauled away my old water heater, and showed me how everything worked. He even gave me a military discount and 12 month warranty on labor. If you need a plumber for anything, give Day and Night Plumber a call, they will give you top notch service for a reasonable price."
+1
Serving Gaithersburg, MD and surrounding areas
Approved (Corporate)
In business since 1981
Free estimates
Emergency services offered
"Technician was very helpful and honest about the work he needed to do and the things he noticed that would need work in the future. Unfortunately, it was quite expensive, but it was more than I could accomplish myself."
Serving Gaithersburg, MD and surrounding areas
Approved (Corporate)
In business since 2015
Free estimates
Warranties offered
Tesla Energy provides an all‑in‑one solar‑plus‑storage solution for your home. Sleek, high‑efficiency solar panels paired with Powerwall help you save on electricity bills and protect your homes from outages. The Tesla app gives you real-time visibility into your energy production, usage and savings—and lets you earn money by supporting the grid through Tesla's Virtual Power Plant. Every system is engineered and installed end‑to‑end by Tesla, delivering a modern aesthetic and the confidence that your home is powered by the most advanced renewable energy ecosystem. With our Price Match Guarantee and exclusive incentives, you can be confident you're getting the best value in home energy.
+3
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