Your Trusted Heating, AC & Plumbing Experts in Salem, NH
Since 1987, GSMS has been proud to offer top-notch HVAC services to residents of Salem, 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 Salem, 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 Salem, 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 Salem, NH, and experience the peace of mind that comes with working with trusted local professionals.
Recent Jobs and Reviews in Salem, NH
Our Local Reviews by City
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Job Locations and Reviews
Always very responsive to issues and both furnace issues resolved quickly
Found no power to burner motor removed wire nut and restriped wire
As always we are very happy with the quick and complete service that we experience with your team. They are professional and personable young men who make the extra effort. It is nice to have, and keep confidence in Granite State Mechanical Services. Thank you.
Thank you for taking the time to leave such a positive review! We're glad to hear you had a great experience with us.
The plumbing maintenance went well. We found a bathroom faucet that needs to be rebuilt. Both shower heads should be replaced. We will send estimates.
We found 3 more leaks. We will continue the effort tomorrow.
Called when heat went down and they were there in the hour.
The oil pump seems to have failed. Replaced oil pump
Add heat tape to drain line since it is installed in an attic. Remove tape and install an actual plug to overflow drain pan. Go through all control wiring to ensure proper connections and configuration. Add hanger to system since the original installer decided to hang a ratchet strap from the rafters. Water damage to Gas valve, replacement is necessary.
I found a loose wire to be the cause of the no heat issue. The unit is a condensing furnace installed in an unconditioned attic. The drain line needs a heat strip. The wiring should be gone through as the original installation is very poorly done.
The maintenance on your oil furnace and your ideal propane boiler went great today. There were no problems discovered. We replaced the humidifier pad on your aprilaire bypass humidifier.
Install a pressure reducing valve because the current house water pressure is too high. Set the building water pressure to 60psi. Replace expansion tank with corroded fitting and replace anode rod. We will also replace all of the burners on the furnace. Test everything for safe operation.
Today we completed a heating maintenance on your York affinity series furnace. The only repair we recommend and have quoted for you is to replace all of the burners. They are very corroded and we noticed that there appears to have been a flame rollout at some point. Other than that the furnace looks healthy. We also found the building water pressure to be too high so we went ahead and quoted you a pressure reducing valve.
Replacement of existing failed R-22 system with new R-410A Lennox high-efficiency A/C system. Existing furnace will remain in place. New ZoneFirst Zoning system with new dampers for zoning control will be installed to control the system. Two new basic programmable thermostats will also be installed. Electrical outlet on deck will serve as service receptacle per code for the outdoor unit. New unit will be placed in same location with new line set, electrical whip, and disconnect.
