Green Mountain Solar (GMS)
- Installing since 2017
- 1 area served
Overview of Green Mountain Solar (GMS)
Green Mountain Solar serves residential, commercial and municipal clients throughout the state of Vermont. Green Mountain Solar is an affiliate of Granite State Solar, which has been in the solar business continuously since 2008. We don't engage in high-pressure sales tactics. We work as your consultants. With significant industry knowledge and experience, we excel at finding solutions that meet your needs. Green Mountain Solar hopes you will give us the opportunity to provide you with a custom design quote for your PV Solar or high-efficiency HVAC project. Our quality of workmanship and careful selection of top-tier products combine to ensure that all of our installations stand the test of time. That's why our workmanship guarantee is an industry-best 12 years! We are 100% committed to our clients for the long-term. We are in business to be absolutely the best at what we do! We take great pride in the staff here at Green Mountain Solar. Our people - owners, solar advisors, office and warehouse staff, installations crews - we are all here to work for YOU. Your happiness is of critical importance to us and that's why everyone in the company is empowered to make decisions. We consistently receive praise for our helpful and friendly staff - and for always doing what we say we are going to do. We've partnered with lenders to help make solar affordable for almost everyone. With your good credit, we can offer you competitive financing rates through our local lending partner, EastRise Credit Union. These loans require no money down and there are no early payment penalties. Your solar loan payments can replace your current electric bill - usually resulting in immediate monthly savings. We are proud of the products we choose to install and we select for durability. All of our solar panels are backed by 25-year production warranties. Most of the inverters we install also feature 25-year warranties. Parts and labor are covered - no surprises. Our workmanship is the best in the industry and our 12-year workmanship guarantee reflects this.
What Green Mountain Solar (GMS) customers say
TV Nottarts
Reviewed on Sep 7, 2026
Justin was very easy to work with and explains it all with confidence and clarity. Scott was quick with the estimate and the whole install team (Nice work Avery) was smiling and efficiently got the job done! Maggie was in contact the whole process and is a great project manager! 6 stars if they would let me!
George Thomas
Reviewed on Sep 2, 2026
Installation was efficient and professional. After some issues with net metering were sorted out everything has been smooth. I went with solar primarily for power backup during outages and in that role the system provides a seamless transition to battery when needed. Our monthly electric bills are now 1/3 of what they were (and at least half of what we are charged on our current bills are those extraneous tacked-on fees for this and that...). I'm happy with the system, and satisfied with Green Mountain Solar's work.
Charlotte Brodie
Reviewed on Jul 24, 2026
Green Mtn. Solar installed our Power Wall for VT Electric. Caleb explained the purpose and workings of the system very clearly, and was very straightforward about how the system would work for us. The installation was smooth and professional, with a nice-looking product and no problems. We are not wishing power outages on our service (!), but if they happen, we'll be glad to have some backup. We also feel good about supporting the system so that there will be less need for purchase of expensive alternative energy sources during peak demand times. Well done, GMS!
Joseph Dean (Joe Dean)
Reviewed on Feb 19, 2026
Green Mountain Solar was excellent installing my Tesla Powerwall 3 with expansion pack. Worked with Ian who did the site visit and was my main point of contact. He answered any question I threw at him and did an excellent job of managing the project. The installers were great as well; clean work and kept me in the loop every step of the way. Powerwall 3 has been perfect. Would highly recommend!
Alex Katz
Reviewed on Aug 5, 2025
I've had a terrific experience with Green Mountain Solar! From the first phone call to the office to get information (and talking with Maggie), to working with the solar advisor Casey on the roof-top solar plan, to the install crew (Nate, Jason, Miriam and the two Mikes) and email and phone communications with Shannon and Raenor, they have all been friendly, informative, professional, and just a pleasure to work with. The install of the solar panels and the solar battery were done on schedule and went off without a hitch. I highly recommend GMS for anyone considering roof-top solar panels.
Tom&Lee Gallo
Reviewed on Mar 22, 2024
The Best
You will be amazed if you use GMS From the initial phone call to the site visit to the install one word Perfect.The office staff is the best we have dealt with.The site visit no pressure went through all questions again perfect.The Tesla battery install again perfect.When the crew arrived they were polite & told us their names.They worked like a well oiled machine very neat & cleaned up when done.Stayed on site until all internet programs were done. The one big thing was the respect they all showed during the process.This is old school service . From start to finish this company will not fail you.
Scott and Ellen
Reviewed on Aug 1, 2023
Responsive, Reliable Service
GMS designed our system and did the installation in June. 15 panels on two roof pitches, each with its own microinverter. GMS answered our many questions, were patient as we compared them with a quote from another contractor, and were prompt in responding to all communications. This was a key factor in choosing their service, given spotty communication from the other vendor. The installation was neatly done in one day, with connections between the two panel arrays and to the gable end done within the attic rather than routed across the roof. Panels were producing on day 1 via a temporary meter that GMS installed pending the power company installation of the dedicated meter a few days later. System monitoring via an app shows each individual panel performance and overall system output.
Jeff
Reviewed on May 5, 2021
Happy in Brookfield
Gms was professional, and gave us an honest competitive quote. Work was completed quickly, and system looks and works great! Very pleased!
About Green Mountain Solar (GMS)
- 2017
- Installing since
- 8
- Customer reviews
- 4.5
- Average rating
- 1
- Area served
What Green Mountain Solar (GMS) does
Services
- Installation
Where Green Mountain Solar (GMS) works
- Vermont
Where to find Green Mountain Solar (GMS)
Head office
76 Ethan Allen Dr, South Burlington VT, 05403