Member Reviews

5 Star Testimonial by Michelle Byrd

Gina helped work around our busy schedules and is always kind and professional. Qwentin was thorough and professional when he serviced our multiple units. We will be recommending GSMS to friends!

Submitted by Michelle Byrd on Wednesday, Jul 10, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Amy Jones

Last year I sat in my home office miserable and hot. We weren’t quite ready to invest in a mini split system and were also worried about investing in the right system for our “interesting” floor plan. The team was amazing from beginning to end. The install was so quick and everyone was phenomenal to deal with. It was so hot and gross outside today and I actually turned the thermostat up because it was so cool and comfortable in the house, I just didn’t need it cranked up. Thank you! As a REALTOR, I’m excited to recommend you to everyone.

Submitted by Amy Jones on Wednesday, Jun 19, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Amy Twombly

We had a great experience with GSMS. Everything was installed seamlessly and very quickly. Communication was excellent and price was very fair (compared to the 4 other quotes we got). I will recommend GSMS to anyone who asks.

Submitted by Amy Twombly on Thursday, May 23, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Marc Zoerb

Jack did a good job explaining what the issue was with my oil boiler and the required fix. He and Quentin were very professional and pleasant to deal with! I’ve been doing business with Granite State Mechanical for well over 10 years and can highly recommend their services!

Submitted by Marc Zoerb on Tuesday, May 07, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by CJ Mello

Jack was absolutely amazing! So kind and professional. Glad they were able to help us out on such short notice!

Submitted by CJ Mello on Tuesday, Apr 30, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Daniel Jones

Excellent service! This team knew what they were doing, were here quickly and got our new systems installed quickly and correctly. We are so happy with our new mini split system.

Submitted by Daniel Jones on Thursday, Mar 21, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Sam Pennington

GSMS is a great contractor to deal with. Work is preformed with great pride and attention to detail! Over the 10+ years I’ve used them I’ve always gotten the attention to detail I need being (I am a very particular homeowner) and services expected in a timely manner!

Submitted by Sam Pennington on Thursday, Mar 14, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by Jeanne Tebbetts

GSMS met and exceeded our expectations. From our first interaction with the team, it’s been a positive experience. It starts with “the little things,” like being on time for our first meeting, and continues with the “big things,” like a full heating system replacement installed with skill. The work was done efficiently, on time and with expertise. We couldn’t ask for more!

Submitted by Jeanne Tebbetts on Thursday, Feb 29, 2024

GSMS AiroHeatingoPlumbing

5 Star Testimonial by savychidful

Granite State Mechanical Service always provides the best service. They are very customer focused, always communicates with you every step of the way and are really good at what they do. From servicing equipment to installations they are always on point. Highly recommend them and will never use anyone else for our plumbing needs. They helped us through a difficult time with such thoughtfulness and care by providing space heaters while waiting for our equipment to be installed. Their attention to detail is remarkable and commendable. Just a great team, thanks Zak, Adam and Mark for all your help, I will never forget your kindness.

Submitted by Savychidful on Thursday, Nov 02, 2023