Recent Jobs and Reviews
Job Locations and Reviews
Completed the AC maintenance today. Everything went great! Please see the attached form.
Pm on a/c washed outdoor coil,checked capacitor on outdoor unit,Indoor unit checked condensate drain and filter
Repair leak on AC. Replace filter drier. Nitrogen pressure test. Evacuate refrigerant system. Fill system to factory charge of R410-A. Operate system and add additional refrigerant to dial in system charge. Everything is running great. Thank you.
AC Service
Completed the AC maintenance today. Everything went great. Please see the attached form.
Checked air filter, condensate trap both ok.Filter is schedule 10/20/26 to be changed.cleaned air exchanger filters.Wash outdoor coil everything checked out fine
Replace capacitor and clean contactor that was chattering.
Completed the AC maintenance today. Everything went great. Please see the attached forms.
Found that all three indoor heads are leaking. I added 2 lb of refrigerant to the system to get the mini splits to cool. We will be sending over an estimate in the next couple of days to replace the indoor heads. We will also schedule an appointment for Zak to come out to give a estimate on a system replacement.
GSMS HomeClub AC visit.
Top off charge on ductless system.
Quen was great! Professional and knowledgeable!
Great job. Very courteous and friendly.
Excellent service!
As always very professional
GSMS is my go to and I have never been let down. Jack was here on time, was professional, courteous, friendly and completed my service quickly and efficiently. Always a great experience when GSMS comes around!
excellent service, courteous and very fair price
Jack provided excellent service for the air conditioner.
Mark and his team came in install my new kitchen appliances. I switched from gas to induction for my stove, replaced my over the oven microwave and replaced my refrigerator so they installed my water line so now I have an ice maker!
Totally fixed my problem in short time. Always do neat as well
Love dealing with this company. Their techs are always prompt, efficient and courteous. We've been happy to be their customer since 2010.
Thank you so much for the kind words and for being part of the GSMS family since 2010! It means the world to us to have earned your trust over the years. I’m proud of our team for continuing to deliver the kind of service that keeps clients like you coming back. We truly appreciate your loyalty and support. – Zak D., Second-Generation Owner
Qwentin was on time, very friendly and professional. He was able to identify the issue, communicate it effectively, and then fix it. Highly recommend.
Thank you so much for the kind words and for trusting GSMS to take care of your home. Qwentin is a rising star on our team, and it means a lot to hear that his professionalism and communication made a strong impression. As a local, family-run business, we’re grateful for your recommendation and honored to have earned your trust. – Zak D., Second-Generation Owner
Great service again. On time and professional. I highly recommend GSMS.
Thank you for the great review! I’m glad to hear our Specialist was able to get your water heater squared away and offer some extra tips while he was there. We always aim to go beyond just the repair, and I really appreciate you taking the time to share your experience. Thanks for choosing GSMS — it means a lot to our family and our team. – Zak D., Second-Generation Owner
top notch service, always professional. would recommend to anyone needing HVAC service, repair or install.
It was a pleasure serving you and your family. Thank you for sharing your kind words with us. It means the world to us and to our entire team!
I needed to have shut off valves under my kitchen sink and a new hose attachment on my sprayer since the cheap plastic tubing was cracked. Mark was punctual, professional and extremely knowledgeable regarding the job. I am always impressed with GSM and how they run their family business. Mark completed the job quickly and efficiently. I can trust GSM and will continue to seek their help in the help in the future. GSM has installed a mini split, oil boiler, hot water heater in my home and I would highly recommend them to family and friends.
We thank you for sharing your positive experience. It made our day.
-
Amherst, NH -
Atkinson, NH -
Auburn, NH -
Barrington, NH -
Bedford, NH -
Bow, NH -
Candia, NH -
Chester, NH -
Concord, NH -
Deerfield, NH -
Derry NH -
Durham NH -
East Kingston, NH -
Epping, NH -
Epsom, NH -
Exeter, NH -
Goffstown, NH -
Greenland, NH -
Hampstead, NH -
Hampton, NH -
Hollis, NH -
Hooksett, NH -
Hopkinton, NH -
Hudson, NH -
Lee, NH -
Litchfield, NH -
Londonderry, NH -
Madbury, NH -
Manchester, NH -
Merrimack, NH -
Nashua, NH -
Newmarket, NH -
Northfield NH -
Northwood, NH -
Pelham, NH -
Pembroke, NH -
Raymond, NH -
Salem, NH -
Sandown, NH -
Stratham, NH -
Weare, NH -
Windham, NH
