Your Trusted Heating, AC & Plumbing Experts in Candia, NH
Since 1987, GSMS has been proud to offer top-notch HVAC services to residents of Candia, 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 Candia, 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 Candia, 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 Candia, NH, and experience the peace of mind that comes with working with trusted local professionals.
Recent Jobs and Reviews in Candia, NH
Candia, NH at a glance
GSMS Air•Heating•Plumbing has completed 18 jobs in Candia, NH between November 2024 and August 2026.
The 3 customer reviews shown here average 5.0 out of 5.
The most recent job was on August 5, 2026.
GSMS Air•Heating•Plumbing has completed 11 jobs in Candia, NH in the last 12 months. The first job there was in November 2024.
Our Local Reviews by City
- Amherst, NH (14)
- Atkinson, NH (2)
- Auburn, NH (3)
- Barrington, NH (24)
- Bedford, NH (41)
- Bow, NH (3)
- Candia, NH (3)
- Chester, NH (2)
- Concord, NH (11)
- Deerfield, NH (1)
- Derry, NH (3)
- Dover, NH (1)
- Durham, NH (2)
- Epping, NH (4)
- Exeter, NH (2)
- Gilford, NH (1)
- Gilmanton, NH (4)
- Goffstown, NH (10)
- Greenland, NH (3)
- Hampstead, NH (2)
- Hampton, NH (3)
- Henniker, NH (3)
- Hillsborough, NH (1)
- Hollis, NH (20)
- Hooksett, NH (21)
- Hudson, NH (9)
- Lee, NH (2)
- Litchfield, NH (3)
- Londonderry, NH (17)
- Madbury, NH (1)
- Manchester, NH (78)
- Merrimack, NH (72)
- Milford, NH (9)
- Moultonborough, NH (2)
- Nashua, NH (72)
- New Boston, NH (4)
- Newbury, NH (1)
- Newmarket, NH (3)
- Northfield, NH (2)
- Northwood, NH (2)
- Pembroke, NH (1)
- Raymond, NH (1)
- Rochester, NH (2)
- Salem, NH (4)
- Sandown, NH (3)
- Strafford, NH (1)
- Stratham, NH (15)
- Tilton, NH (1)
- Weare, NH (8)
- Windham, NH (11)
- York, ME (2)
Job Locations and Reviews
Replace s30 with updated version. Old system likely damaged from power surge.
Completed the oil furnace maintenance and the AC maintenance. Everything went great today! Please see the attached form.
Top off charge on ductless system.
Fujitsu 97 error. Outdoor fan motor has play in shaft. I recommend replacing to prevent errors from happening again.
Fujitsu 97 error. Outdoor fan motor has play in shaft. I reccomend replacing to prevent error from happening again.
Reset mini split Repair wire on outdoor cap
They are always great
GSMS HOMECLUB MINISPLIT COOLING MAINTENANCE. I added refrigerant to system.
Completed the AC maintenances today. I started off with cleaning the outdoor condenser for the air handler. I cleaned the coil with coil cleaner and water. I checked all the electrical connections and the capacitor and everything looked good. Next I went inside and I cleaned the indoor coil with coil cleaner. I brushed and flushed the trap with cleaner. I checked the air filter and it was very clean. I checked electrical connections in the air handler and everything was good. I replaced the Lennox carbon and UV bulb. Next I washed the mini split outdoor unit. I cleaned the coil with coil cleaner and water. I cleaned outside of the unit with cleaner and a rag. I checked all the electrical connections and everything looked good. Next I went inside and I cleaned all the indoor heads coils with coil cleaner. I washed all the air filters with soap and water. I cleaned the outside of the units with cleaner and a rag. Lastly I ran all four mini-split heads in max heating and max fan. I was on
Completed the oil boiler maintenance today. I started off with replacing the oil filter, the pump strainer and gasket and the nozzle. I checked all the boiler accessories and everything looked good other than the auto fill valve is leaking from the threaded connection. I brushed and vacuumed out the heat exchanger. I noticed that the boilers PSI was set pretty high so I drained it down and set the boiler PSI to 13. Lastly I ran the boiler and performed a smoke test and got zero smoke. I performed a combustion analyzer test, this checks the units CO, CO2 and oxygen levels. The boiler was running great. As the boiler started to heat up I noticed that there was water leaking under it. The client wanted to leave it for now and keep an eye on it. The indirect water tank has been leaking for a little bit. We will send over an estimate to replace it. I let the client know that we need to do a water test since she has no water treatment. She said that she was going to do the water test and sen
Replaced expansion tank and purged zones
I completed the oil boiler maintenance today. I replaced the oil filter, the pump strainer, the nozzle and the electrodes. We pulled the top off of the boiler and brushed and vacuumed out the heat exchanger. After running the boiler, I checked for smoke and there was 0 smoke. I performed a combustion analyzer test that checks for CO, CO2 and oxygen levels and the boiler was running great.
Completed the maintenance on the boiler. Cleaned the inside of the heat exchanger out. Cleaned off the flame sensor and electrodes. Pulled out the trap and cleaned it with cleaner and primed it. Ran the unit in high and low fire and performed a combustion analyzer test. Everything was according to manufacturer specifications.
Added refrigerant. We will comeout to create proposal to replace linesets/ equipment. Thank you.
Minisplit maintenance went great other than low refrigerant capacity. I added 7lbs to the system.
Checked plumbing no issues
Adjusted manifold pressure,found flame sensor to have a sore spot on it.The reading was with in manufacturer specs recommend replacing it.Everything else is fine
Great company, Quality service
We are so glad to hear that you had a good experience.
Oil maintenance on your Thermopride oil furnace today. New tank filter, nozzle, and pump strainer. Check combustion. Everything looks good. No leaks. New humidifer pad. Thank you!
Jack is the best
Veissmann boiler maintenance performed today. Everything went great and there are no repairs necessary at this time. Thank you.
