Heat Pump Repair & Service in Rockville, MD
Heat pumps in Rockville carry the house through humid summers and cold winters, so by year ten they've done a lot of work. When one starts to struggle, it usually shows up as uneven comfort and a bigger electric bill. 24-7 HVAC of Bethesda serves Rockville, Twinbrook and King Farm. Our phones are answered around the clock, every day of the year.
Rockville housing and systems
Homes in Rockville are mostly 1950s ramblers in Twinbrook, townhouses in King Farm and Fallsgrove, and condos along Rockville Pike. Twinbrook ramblers usually have compact basement or closet systems with older ductwork, while the newer King Farm and Fallsgrove townhouses mostly have heat pumps with attic air handlers. Knowing the housing in Rockville helps our technicians plan each heat pump repair & service call before they arrive, including which parts and tools to bring.
Calls we take in Rockville
- Heat strips carrying the load
- Unit not switching between heat and cool
- Fan blade stopped outside
- Steady climb in electric bills
- Mild air when the house needs heat
What a visit includes
Heat pump problems can start outdoors or at the air handler, so we diagnose both and confirm heating and cooling before we leave.
Frequently asked
Do you work on heat pumps with attic air handlers?
Yes, that setup is common in this area.
Why is my heat pump running all the time in winter?
Some long run time is normal on cold days. Constant running with backup heat on means something needs attention.
Do you come to Rockville at night?
Yes. Rockville is about 2.9 miles from our North Bethesda base, and we take calls around the clock for the 20850, 20851, 20852 and 20853 ZIP codes.
About cost
Repairs are priced upfront, around the clock. If a heat pump is near the end of its life, we'll show you how a new system compares.
More in Rockville:
AC Repair Furnace Repair 24/7 Emergency HVAC Repair HVAC Tune-Up & Maintenance Ductless Mini-Split Installation Thermostat Installation Air Duct Cleaning All services in Rockville
Neighboring areas: Heat Pump Repair & Service in Silver Spring Heat Pump Repair & Service in Wheaton Heat Pump Repair & Service in Takoma Park
Page updated: November 9, 2026