Heat Pump Repair & Service in Potomac, MD
A heat pump stuck in defrost, blowing mild air, or handing the job to backup heat strips is costing you money in Potomac every hour it runs that way. 24-7 HVAC of Bethesda serves Potomac, Potomac Village and Avenel. Our phones are answered around the clock, every day of the year.
Potomac housing and systems
Homes in Potomac are mostly large single-family homes and estates from the 1970s onward, many with multiple zones. Big Potomac homes commonly run three or more systems, plus zoning boards and dampers, and a failed zone control can make one area of the house feel like the whole system is broken. Knowing the housing in Potomac helps our technicians plan each heat pump repair & service call before they arrive, including which parts and tools to bring.
Calls we take in Potomac
- Unit not switching between heat and cool
- Fan blade stopped outside
- Steady climb in electric bills
- Mild air when the house needs heat
- Outdoor coil frozen solid
What a visit includes
We test the defrost sensors and board, reversing valve, capacitors, contactor and charge, and we check the backup heat so you aren't caught without it.
Frequently asked
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.
Is a frozen heat pump an emergency?
Not usually, but it means the system is losing efficiency fast. Call us so it doesn't get worse.
Which parts of Potomac do you serve?
All of it, including Potomac Village, Avenel, Bradley Farms and the area around River Road, Falls Road and Seven Locks Road.
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 Potomac:
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 Potomac
Neighboring areas: Heat Pump Repair & Service in Aspen Hill Heat Pump Repair & Service in Bethesda Heat Pump Repair & Service in Kensington
Page updated: November 9, 2026