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Bedford, NH

Your Trusted Heating, AC & Plumbing Experts in Bedford, NH

Since 1987, GSMS has been proud to offer top-notch HVAC services to residents of Bedford, NH. With over three decades of experience, our family-owned business has built a reputation for excellence, reliability, and outstanding customer service. We provide a comprehensive range of HVAC services, including air conditioning repair, replacement, and maintenance, as well as heating services for furnaces and boilers. Our expert technicians are also skilled in installing and maintaining ductless mini-split systems, ensuring that your home stays comfortable year-round. At GSMS, we use only the highest quality products from leading manufacturers, guaranteeing efficient and long-lasting solutions for your HVAC needs. Whether you need a quick repair, a complete system installation, or regular maintenance, our team is dedicated to providing personalized service tailored to your specific requirements. Don’t let HVAC issues disrupt your comfort—call GSMS today at 603-424-8258 to schedule your HVAC service in Bedford, NH, and experience the difference of working with trusted local professionals.

In addition to our heating and air conditioning services, we offer top-quality plumbing services to the residents of Bedford, NH. With over three decades of experience, our family-owned business has established a reputation for trust, reliability, and exceptional customer care. Our comprehensive plumbing services include water heater repair, replacement, and maintenance for both tank and tankless models, ensuring your home has a consistent supply of hot water. We also specialize in kitchen plumbing, from faucet and sink installations to dishwasher and water line services. In the bathroom, our expert plumbers handle everything from toilet and shower repairs to vanity plumbing and pipe replacement. At GSMS, we use only the highest quality materials and the latest techniques to provide efficient and long-lasting solutions for your plumbing needs. Whether you require a quick repair, a complete installation, or regular maintenance, our team is committed to delivering personalized service tailored to your home’s unique requirements. Don’t let plumbing issues disrupt your daily routine—call GSMS today at 603-424-8258 to schedule your plumbing service in Bedford, NH, and experience the peace of mind that comes with working with trusted local professionals.

Recent Jobs and Reviews in Bedford, NH

Rated 4.8 out of 5 stars based on 13 customer reviews

Customers say: The provided content describes the overall sentiment of the reviews as positive. The reviewers consistently express satisfaction with the services provided by Granite State Mechanical Services (GSMS). They mention factors such as responsiveness, dependability, fair pricing, thoroughness, cleanliness, use of technology, and the quality of the work. Positive reviews highlight the friendliness, expertise, efficiency, and reliability of the technicians, as well as their integrity, honesty, and performance. Customers appreciate the prompt and effective resolution of issues, the professionalism, and the trust they have in the GSMS team. The positive reviews also mention the range of services offered, including plumbing, HVAC, and air quality testing, as well as the positive experiences with scheduling, communication, and the overall customer service. Overall, the sentiment expressed in the reviews is overwhelmingly positive, with customers expressing high levels of satisfaction and recommending GSMS to others.

Job Locations and Reviews

Qwentin G.
Qwentin G. Checked in
I started off inside with vacuuming the indoor unit out. Next I replaced the air filter, the client supplies her own filters. I cleaned the indoor coil with Dawn soap and water. I flushed the trap with drain cleaner. I checked electrical connections and everything looks good. I went outside and I washed the outdoor unit with coil cleaner and water. I checked the capacitor and it was inspect. All the wiring looked great as well. The Client has a sediment filter so I changed that for her as well.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Replaced anode rod and flushed heater.
Bedford, NH 03110
Qwentin G.
Qwentin G. Checked in
When I arrived, the condenser fan motor was constantly running. I found that there was a lot of bugs inside of the unit. The contactor was sticking. I pulled the contactor apart and the pits of the contactor were dirty so I clean them. It ended up being cheaper for the client to just have the contactor replaced so I put a new one in for him. I tested operation and it is running as it should. I also noted to the client that if he would like his AC serviced that we could do it in the beginning of the summer time. I also noticed that the suction line outside was deteriorating, so I sent him an estimate to replace the insulation on it.
Bedford, NH 03110
Review
Mark is just an amazing person! So thorough with the work he delivers. And Gina was wonderful, as she walked me through the entire process! It is always a pleasure to do business with you. Thank you!
Jeannette - Bedford, NH 03110
Mark D.
Mark D. Checked in
Install new toilet
Bedford, NH 03110
Jack D.
Jack D. Checked in
Snake shower drain. Remove bathroom sink pop up and clean. Run drain cleaner down both drains. Replace master bathroom faucet. Replace master bathroom sink drain trap because the old one was cracked and dripping. Test thoroughly for leaks.
Bedford, NH 03110
Review
We have used GSMS for over twenty years and have found them to be highly responsive, dependable, fairly priced, and thorough. They always keep my home clean, wearing covers over their work boots. Their use of technology to track arrival time is very helpful. We recommend them highly.
Matthew - Bedford, NH 03110
Mark D.
Mark D. Checked in
Did plumbing inspection steam shower requires no maintenance.Tighten hot water handle on 3rd floor faucet. I completed the furnace and AC maintenance. Replaced the humidifier pad and put the system into summer mode. Replaced the air filter, the client supplied the filter. For the furnace portion I checked the gas pressures and they looked good. I did a combustion test and everything was to manufacture specifications. I checked all of the wiring and everything looked good as well. Outside on the air conditioning portion I washed the outdoor unit with soap and water. I checked the fan capacitor and all the wiring and everything looked great. Lastly, I ran the AC unit and I checked the charge and all the pressures looked good.
Bedford, NH 03110
Adam P.
Adam P. Checked in
Installation of a third zone to support the finished basement area with heating and cooling. A new supply trunk will be installed in between the existing ductwork to allow for a clean installation in the boxed in area already constructed by the contractor. Supply registers will be ceiling installed; with one in the bedroom, one in the bathroom, and two in the living area. A main return register will be installed in the bedroom wall. A wall transfer grille will be installed in between the bedroom and living area wall to allow for proper airflow to guide back to the furnace. A Lennox iHarmony Zoning Thermostat will be installed to provide independent control over the system. Lennox s40 and the smart zoning system will be re-calibrated to ensure proper operation with the new zone added.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Pm on oil Furnace replace filter on a/c pm
Bedford, NH 03110
Adam P.
Adam P. Checked in
Replacement of existing system with a new GSMS system to provide cooling to the home. Refrigerant line set replaced completely - hole through foundation will be sealed up with cement patch and new penetration made through sill plate. New Ecobee wifi thermostat installed for the first floor zone to provide control of the system zone from wifi/app. Other zone will be replaced with a standard programmable thermostat similar to existing setup. New zoning module with two zone dampers will be installed for efficient system performance. Existing poured concrete pad will be re-used for new condensing unit. Floor drain condensate pump will be removed and replaced with a standard condensate pump that will pump into the washing machine drain.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Changed gas valve,if it does it again rinnai will replace heater
Bedford, NH 03110
Mark D.
Mark D. Checked in
Replaced shut off valve,flapper and fill valve
Bedford, NH 03110
Jack D.
Jack D. Checked in
By using my electronic refrigerant detector I flund 3 flare connections that were leaking. The office will call you to schedule a time to come and make the repair. Thank you.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Reset shower drain
Bedford, NH 03110
Jack D.
Jack D. Checked in
The rinnai tankless flush went great today. There are no necessary repairs at this time.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Install st5 expansion tank
Bedford, NH 03110
Mark D.
Mark D. Checked in
Pm on furnace and humidifier
Bedford, NH 03110
Mark D.
Mark D. Checked in
Replaced pressure switch
Bedford, NH 03110
Jack D.
Jack D. Checked in
Humidifer install. Fix recirc issue with Rinnai. Replace supply valve to humidifer.
Bedford, NH 03110
Adam P.
Adam P. Checked in
Upgrade the existing gas furnace and standard A/C unit with our GSMS high-efficiency gas furnace and hybrid heat pump system. Fresh air will be added to allow the new system to breathe, taking into consideration the furnace will be located in a future mechanical room. Zoning will be added to the system to separate out the main floor from the primary suite - consisting of the office, primary bedroom, and primary bathroom/closet. This will allow for better airflow and temperature control. Outside unit will be positioned in same location as current unit. Since it is a heat pump, it will be elevated off the ground using our heat pump risers.
Bedford, NH 03110
Mark D.
Mark D. Checked in
Rebuild valve
Bedford, NH 03110
Jack D.
Jack D. Checked in
Lennox signature series furnace maitnenance. New UV light. We left the new filter to replace during the AC maintenance. Everything looks great!
Bedford, NH 03110
Mark D.
Mark D. Checked in
Estimate
Bedford, NH 03110
Review
Responsive on New Year’s Day!
Tom - Bedford, NH 03110
Response from GSMS Air•Heating•Plumbing:

We are so grateful for your kind words.

Jack D.
Jack D. Checked in
Oil boiler not running. I diagnosed the issue as the transformer blew on aquastat relay. Replace and test operation. Thank you!
Bedford, NH 03110
Jack D.
Jack D. Checked in
Smell coming from oil furnace. We will come back and replace the nozzle and replace the rope gasket on the boiler door. I completed combustion test on it and it is firing safely, however we will be back quickly.
Bedford, NH 03110
Mark D.
Mark D. Checked in
I performed a thorough inspection of the boiler to identify any areas that needed repair. I cleaned the system and performed a safety check to ensure the boiler was operating at peak efficiency.
Bedford, NH 03110
Review
Everyone I have interacted with is extremely knowledgeable and personable. Your team is clear in what would best serve your customers needs and we are very grateful.
Heather - Bedford, NH 03110
Review
Mark and his team have been great. I will miss the prompt and polite service and response to my many needs over the last year. I will leave your information for the new owner/s
Annette - Bedford, NH 03110
Review
Jack and his co-worker were polite, professional and efficient - as always.
Linda - Bedford, NH 03110
Response from GSMS Air•Heating•Plumbing:

Thank you Linda!! We're proud of our friendly team of Specialists.

Review
Great service and very informative with questions asked. Very professional and kind.
Jennifer - Bedford, NH 03110
Review
He was great and a super nice guy
Michael - Bedford, NH 03110
Review
Timely, experienced service
Annette - Bedford, NH 03110
Review
Efficient, friendly informative service
Annette - Bedford, NH 03110
Review
GSMS are always beey good to deal with. Organized, professional, and efficient.
Dan - Bedford, NH 03110
Review
GSMS continues to offer excellent customer service and support! Thanks Jack!
Mark - Bedford, NH 03110
Response from GSMS Air•Heating•Plumbing:

Many thanks for taking the time to share your feedback with us.

Review
Good communication leading up to appointment. Mark was great. Took care of several issues and provided helpful analysis of options. Installed new thermostats that required new wiring. All work areas were neat and clean when he finished.
Paul - Bedford, NH 03110
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