Recent Jobs and Reviews
Job Locations and Reviews
Qwentin G.
I performed the oil boiler maintenance. I also performed a mini split cleaning. I cleaned the outdoor unit with water. Inside I cleaned the indoor units coil with coil cleaner. I cleaned the mini split filters with soap and water. I replaced the two 12x12x1 ceiling filters as well. I flushed the condensate pump with cleaner as well. Everything was running good.
Auburn, NH 03032
Jack D.
Transformer failed when hole home electrical issue happened. I replace and checked furnace operation. Burners needed to be cleaned so I removed and cleaned them. I checked combustion and all is well. Thank you.
Hudson, NH 03051
Jack D.
Replace check valve on well tank. We found a rock lodged in the diaphragm causing it to stay open. Thank you!
Londonderry, NH 03053
Qwentin G.
Completed the furnace maintenance. Checked the incoming and the outgoing gas pressures and that was inspect. Performed a CO, CO2 and oxygen combustion test and everything looked good. The blower motors bearings are starting to go as well as the inducer motor. The burner tubes are really rusty and don’t have a good flame pattern. The inside of the heat exchanger is pretty rusty as well. I talked to the client and he wanted an estimate to replace the furnace and maybe the AC as well. I looked back in my previous notes and saw that there was dye/sealant added to the AC system from when I did the maintenance last.
Nashua, NH 03064
Review
Thank you for caring and making sure that I will not have any problems and thank you for fixing others mistakes.
Jack D.
Snake washing machine/ tub branch with snake. Pull and reset toilet. Check for leaks. All set, thank you.
Manchester, NH 03109
Qwentin G.
I found that all three mini split heads were leaking. I’ll get back to the client in a couple days with an estimate.
Nashua, NH 03062
Review
Excellent everything
Review
Very professional and through
Jack D.
Today I was supposed to do a maintenance on your Triangle Tube boiler. There is an ignition recall. We will file and start the recall process. Today I cleaned igniter and took a combustion test to ensure it was operating safely. When we do the recall we will do the maintenance.
Manchester, NH 03102
Qwentin G.
Found that the factory drain plug for the secondary heat exchanger was loose and had no pipe dope on it.
Goffstown, NH 03045
Qwentin G.
Found that the mini split head in the living room was leaking. Let the client know that we would get back to her within the next couple days with an estimate to replace the head.
Londonderry, NH 03053
Jack D.
Tub, kitchen sink, and bathroom sink backing up. Snaked all fixtures. Ran lye down snaked and cleared drain and made additional pass with snake. Ran water to confirm drain cleared. Cleaned everything up from backup drain residue. I recommend adding check valves to both basement drains to avoid potential sewer main backup mess in future.
Nashua, NH 03060
Review
Zak was fast, efficient, and knowledgeable. Well done!
Review
We are very happy with the whole Team from GSMS. We would highly recommend them and we have. They have done a great job over the last year for us, from replacing a 20 year old furnace / AC & installing the new units. Also we have used them for some plumbing issues and regular yearly maintenance. We are pleased with their great workmanship and the overall experience has been awesome. Great prices as well.
Review
Jack did a great job at my home today. GSMS is a fine company to do business with. Unlike many they know what they are doing ! I appreciate their work.
Response from GSMS Air•Heating•Plumbing:
Hi, Art! Zak here - Thank you for your kind words! We work hard every day for our amazing clients like you!
Review
Fix leaking hose into basement
Review
Excellent Service
Review
Everything about my experience has been great. I always appreciate a company who doesn’t bat an eye at my many questions. Fantastic customer service all around and a great install experience. Adam was fantastic!
Review
Once again, GSMS hit it out of the park. Such great service, fast, efficient. Qwentin was great, as always. Knows his stuff, polite, great customer service. GSMS is my go to!
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 water heater service. On time and professional l He gave me some helpful tips on other water related issues. 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!
Had an issue with our heat pump. Reached out for assistance and they had someone on site that afternoon. Problem was resolved quickly. Super friendly service. The tech was exceptionally friendly and an excellent communicator. Highly recommend
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!
Jack was on time and professional upon his arrival to my home. He quickly diagnosed the problem with my hot water heater and had it fixed on the same day. Granite State Mechanical offers unsurpassed customer service and expertise in the area of heating plumbing and cooling. I tell all my neighbors how great they have treated me, and I am so glad I chose GSM to install and service my home HWH and Mini split.
Response from GSMS Air•Heating•Plumbing:
We thank you for sharing your positive experience. It made our day.
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