Recent Jobs and Reviews
Job Locations and Reviews
Jack D.
Warranty damper replacement.
Nashua, NH 03064
Mark D.
Replaced shower arm
Amherst, NH 03031
Qwentin G.
Found that there was a mouse nest inside of the unit. Found the main board and the outdoor fan motor both need to get replaced. The unit is not under warranty anymore. We will send over the estimate to repair it in the next couple of days.
Durham, NH 03824
Jack D.
Replace toilet
Bedford, NH 03110
Qwentin G.
Replace both of the out door control boards. Turned both indoor units on to test operation. They were both blowing cold air. I cycled them multiple times to make sure everything was running properly and they were.
Barrington, NH 03825
Mark D.
Check kitchen faucet found diveter plugged,recommend new faucet.Removed fill valve in master bath toilet and adjusted water level.Removed hot and cold water lines in basement faucet and cleaned screens.
Henniker, NH 03242
Jack D.
Replace shower valve in Chris' unit.
Milford, NH 03055
Mark D.
This proposal covers a self-cleaning water treatment system engineered to eliminate the heavy iron and manganese currently clogging your plumbing. This system will permanently protect your home's water pressure and completely eliminate the frustrating chore of changing manual filters every month. System Configuration & Benefits Stage 1: Automated Nitro Air-Injection Filtration System (Birm Media) The Problem: Your raw well water carries a heavy load of physical "ferric" iron alongside failing levels of Manganese (0.082 mg/L). This creates a thick, clay-like sludge that chokes out your house water pressure every few weeks. The Solution: This chemical-free system injects a pocket of air into the top of the tank to instantly oxidize and trap the heavy iron and manganese. Instead of you changing a filter manually, the digital control valve automatically backwashes and flushes the trapped sludge completely down a drain line every few days. Because your water's pH is already naturally bal
Nottingham, NH 03290
Jack D.
Serial Communication Error. Trouble shooting via the service instructions deemed a failed AFM and PCB. We have sent an email of the estimate to replace. I called Fujitsu and the unit is under warranty.
Barrington, NH 03825
Mark D.
4000 hr maintenance on rinnai boiler.
Madbury, NH 03823
Review
Quentin answered all my questions and reviewed situation and all options re: AC
Review
A huge shout out to Jack! Jack is an asset to GSMS family. He was prompt, professional and very thorough with the maintenance of my HVAC system. A bonus is that he was easy to talk to and engaging with conversation about a variety of subjects.
Review
Great job
Review
Qwenten contacted us before his arrival to let us know he was on his way and arrived promptly. He was very knowledgeable and answered all our many questions. He provided different possible solutions for at this time and went with our decision with no pressure. Very friendly and easy to discuss options with.
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We have been very pleased with GSMS services from replacing our central AC & furnace 2 years ago plus a few plumbing issues we have had repaired and regular maintenance services. Jack, Qwentin, Mark and the rest of the team have been very professional and friendly and do a great job the first time and always cleaned up after themselves. They definitely go above and beyond and we highly recommend GSMS and we do. Fair prices as well!
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Extremely professional and on time, great work! Highly recommend their services.
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Excellent, professional, friendly service
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Always willing to help and does an excellent job.
Review
AC Service
Review
Quen was great! Professional and knowledgeable!
Love dealing with this company. Their techs are always prompt, efficient and courteous. We've been happy to be their customer since 2010.
Response from GSMS Air•Heating•Plumbing:
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.
Response from GSMS Air•Heating•Plumbing:
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.
Response from GSMS Air•Heating•Plumbing:
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.
Response from GSMS Air•Heating•Plumbing:
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.
Response from GSMS Air•Heating•Plumbing:
We thank you for sharing your positive experience. It made our day.
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