Furnace & Heat Pump Repair in Gallatin, TN 37066
A furnace that lights and drops out, or a heat pump blowing cool air on a frosty morning, needs a test before a part. We answer the phone at every hour, winter and summer.
- Answering 24/7
- Gas furnaces and heat pumps
- Gallatin and Sumner County
Updated October 2026
Furnace and heat pump repair in Gallatin usually traces to a short list: a dirty flame sensor, a failed igniter, a pressure switch, a weak capacitor or a stuck defrost control. We test each with a meter before quoting, and Gallatin is roughly 38 minutes from our Greenbrier shop in light traffic. Call (615) 412-2815 at any hour.
How we chase down a Gallatin heating failure
Gallatin had 44,431 residents at the 2020 census and sits in Sumner County, about 38 minutes from our Greenbrier shop and 37 from Nashville when traffic is light. Heating here comes from gas furnaces and electric heat pumps, and each one fails in its own way.
A furnace runs a fixed sequence: inducer, pressure switch, igniter, gas valve, flame proof, blower. The control board's flash code tells us where that sequence stopped. A heat pump is different. When it blows cool air in winter we check the defrost board, the reversing valve, the outdoor sensor and the refrigerant charge, then confirm the backup heat strips are working.
Heating and backup heat repairs we handle in Gallatin
Furnace Repair
Flame sensors, hot surface igniters and pressure switches are among the most common furnace no-heat failures we test.
DetailsHeat Pump Repair
A heat pump stuck on backup heat strips runs up the power bill fast, so we find out why the compressor side quit.
DetailsFurnace Tune-Up
A fall check of the burners, flue, flame sensor and blower catches the parts most likely to quit on the first cold night.
DetailsMobile Home HVAC
Sumner County has about 4,300 mobile homes, and their downflow furnaces and package units use their own parts and venting.
DetailsDual Fuel Heat Pump Installation
Pairing a heat pump with a gas furnace lets the furnace carry the coldest nights while the heat pump handles mild ones.
DetailsEmergency HVAC Repair
No heat at 2 a.m. in January gets a person on the phone, not a voicemail box.
DetailsWhat Sumner County housing data says about Gallatin heating
Sumner County's median home was built in 1995. A house from that era has likely gone through at least one furnace or heat pump already, and the replacement may have been sized to the old nameplate instead of the house. When we see repeated short cycling, oversizing is one of the things we check.
The county also has about 4,300 mobile homes, 5.2 percent of its housing. Those homes use sealed-combustion furnaces built for manufactured housing and ducts running under the floor, so a no-heat call there starts with the vent cap, the door filter and the crossover duct. Cumberland Electric Membership Corporation serves Sumner County, and a heat pump on its lines that falls back to strip heat shows the fault on the next bill.
Reaching Gallatin and what to tell us when you call
Gallatin is roughly 38 minutes from our Greenbrier shop and about 37 minutes from Nashville in light traffic; winter weather and rush hour stretch both. When you call, tell us whether the system is gas or electric, what the thermostat says and whether the furnace control board is flashing a light. Count the flashes if you can, since that code often narrows the problem before we arrive.
Questions from Gallatin homeowners
That pattern usually means the flame sensor cannot prove the flame, often because it is coated with residue. Cleaning or replacing the sensor is a common fix, but we confirm it with a microamp reading first.
During defrost it briefly blows cooler air, which is normal. If it never warms up, the defrost control, reversing valve, refrigerant charge or backup heat may be at fault.
One reset is fine. If it locks out again, leave it off and call, since repeated lockouts can point to a venting or gas pressure problem.
Yes. We work on manufactured-home furnaces and package units, including their vent caps and floor ducts.
Yes. The phone is answered 24 hours a day, every day of the year, holidays included.
Nearby areas we cover
Furnace or heat pump down in Gallatin? Call us.
Describe what the system is doing and we will set the visit.