AC & Heat Pump Repair in Mount Juliet, TN 37122
Mount Juliet had 39,289 residents at the 2020 census and sat in the path of the March 2020 tornado. We answer around the clock for AC and heat pump repairs across Wilson County.
- Answering 24/7
- AC and heat pump repair
- Wilson County homes
Updated October 2026

AC and heat pump repair in Mount Juliet usually comes down to a capacitor, a contactor, a fan motor, a refrigerant leak or a clogged drain. We measure each one before quoting a fix, and on a heat pump we run it through defrost. Mount Juliet is roughly 26 minutes from Nashville in light traffic. Call (615) 412-2815 at any hour.
What a Mount Juliet repair call checks
Mount Juliet sits in Wilson County, about 26 minutes from Nashville and roughly 46 minutes from our Greenbrier shop in light traffic. It's a city of 39,289 by the 2020 census, and its systems cool hard all summer and, on heat pumps, heat all winter.
Most repair calls start with a symptom: warm air, a unit that hums, ice on the line or a heat pump that never seems to warm the house. We read voltage, capacitor values, amp draw and refrigerant pressures, then compare the supply and return temperatures. Those readings show which part failed, and you get the price before we replace anything.
AC and heat pump repairs we handle in Mount Juliet
AC Repair
Capacitors, contactors and condenser fan motors are the parts we test first when an AC runs without cooling.
DetailsHeat Pump Repair
A heat pump that blows cool air in winter gets its defrost control, reversing valve and charge checked before anything is replaced.
DetailsDuctwork Replacement
The March 3, 2020 tornado crossed Mount Juliet, and attic or crawl space ducts disturbed during storm repairs can leak or sag years later.
DetailsHVAC System Replacement
When a repair costs a large share of a new system, we price replacement alongside it so you can compare.
DetailsRefrigerant Leak Repair
A system that needs refrigerant every summer has a leak, and we find it with electronic detection before recharging.
DetailsAC Drain Line Repair
Algae in the condensate line backs water into the pan and trips the float switch, shutting the AC off on humid days.
DetailsThe 2020 tornado path and Wilson County power
On March 3, 2020, an EF-3 tornado ran a 60-mile path from the north and east sides of Nashville on through Mount Juliet. Outdoor units, roof vents and attic ductwork take the brunt of wind damage, and repairs made in the rush after a storm do not always get a second look. If your system was replaced or patched after that storm, we check the line set, the condenser pad and the attic ducts along with whatever brought you to call.
Middle Tennessee Electric serves Wilson County, along with Williamson, Rutherford and Cannon counties. A heat pump runs entirely on that electric service, so a weak capacitor or a stuck backup heat relay shows up as a high bill as often as a comfort complaint. Checking amp draw against the nameplate is how we catch it.
Getting to Mount Juliet, and what helps when you call
Mount Juliet is roughly 46 minutes from our Greenbrier shop and about 26 minutes from Nashville in light traffic. When you call, tell us whether the system is a heat pump or an AC with a furnace, what it's doing, and whether you see ice or water. If the outdoor unit is humming with the fan stopped, switch the system off at the thermostat until we get there.
Questions from Mount Juliet homeowners
On very cold days long run times are normal. If it also runs constantly on mild days, a low charge, a defrost fault or a dirty coil may be the cause.
A clogged condensate drain is the usual culprit, and a melting frozen coil is the second. We clear the line and look for why it backed up.
Yes. We look at sizing, the line set, the pad and the attic ducts as part of any repair or tune-up visit.
No. A sealed system should hold its charge, so needing more every year means there's a leak to find.
Yes. A person answers 24 hours a day, every day, holidays included.
Nearby areas we cover
Mount Juliet system acting up? Call now.
Tell us what it is doing and we will set the visit.