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Licensed HVAC Service

Heat Pump Repair & Installation in Gaithersburg, MD

Heat pumps heat and cool your home from a single efficient system, which makes them a popular choice across Gaithersburg and Montgomery County. P&Y Heating and Cooling repairs, replaces, and installs heat pumps — including dual-fuel and ductless systems — with the licensed expertise these systems require.

Because a heat pump runs year-round, small problems with defrost, refrigerant, or the reversing valve can hurt both comfort and efficiency. We diagnose the real issue and get your system back to peak performance.

P&Y technician servicing a heat pump outside a Gaithersburg MD home in winter

Heat Pump Problems We Repair

Heat pumps have unique failure modes. Call us if you notice:

  • The heat pump won't switch between heating and cooling modes
  • Weak heating output or the backup/auxiliary heat runs constantly
  • The outdoor unit ices over and won't defrost properly
  • Short cycling or the system runs nonstop
  • Warm air in cooling mode or cool air in heating mode
  • Unusual noises from the compressor or reversing valve
  • A spike in electric bills from over-reliance on strip heat

Our Heat Pump Service Process

Heat pumps demand precise diagnostics — the same unit handles heating and cooling.

1

Full-system diagnostic

We test both heating and cooling modes, the reversing valve, defrost board, refrigerant charge, and auxiliary heat to find exactly where performance is dropping.

2

Clear recommendation

You get a written repair scope, or — for aging or failing units — an honest replacement comparison including dual-fuel and high-efficiency options.

3

Repair or install

Whether it's a defrost sensor or a full system swap, we do the work to code, with proper refrigerant charge and airflow.

4

Verify year-round performance

We confirm the unit heats and cools correctly, defrosts on schedule, and isn't leaning on expensive strip heat.

Why Dual-Fuel Works Well Here

Standard air-source heat pumps lose efficiency in a hard freeze and lean on electric strip heat, which drives up bills. A dual-fuel system pairs a heat pump with a gas furnace: the heat pump handles efficient heating and cooling most of the year, and the furnace takes over when Maryland temperatures really drop. For many Gaithersburg homes, it's the best of both worlds.

Ductless Mini-Splits for Tough Spaces

Older homes without ductwork, additions, finished basements, and bonus rooms are ideal candidates for ductless heat pumps. They deliver efficient, zoned heating and cooling without the cost and disruption of installing ducts — a common solution in Montgomery County's historic and hard-to-retrofit homes.

What Affects Heat Pump Cost

Repairs fall in typical HVAC ranges; installations vary with system type and capacity. We provide written quotes after assessing your home. Cost drivers include:

  • Repair vs. full replacement, and the specific failed component
  • System capacity (tonnage) and efficiency (SEER2/HSPF2)
  • Standard air-source vs. dual-fuel (heat pump + furnace) configuration
  • Ducted vs. ductless mini-split installation
  • Auxiliary/backup heat and electrical requirements
  • Permit and inspection coordination with Montgomery County

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Why P&Y

Why P&Y for Heat Pump Service

Heat pumps run year-round and fail in ways a general tech can miss. Here's our edge.

We test both modes

Because one unit handles heating and cooling, we test the reversing valve, defrost board, refrigerant charge, and auxiliary heat — not just whether it turns on.

Dual-fuel and ductless expertise

We design and service dual-fuel systems and ductless mini-splits — the setups that fit Maryland's climate and older homes best — not just standard air handlers.

We stop the strip-heat bleed

Excess auxiliary heat quietly wrecks your electric bill. We find the defrost, refrigerant, or reversing-valve cause and get the heat pump doing the heavy lifting again.

Where We Provide Heat Pump Repair & Installation

We repair, replace, and install heat pumps across Montgomery County, including ductless mini-splits for older homes in Silver Spring and dual-fuel systems in Germantown. We size and configure each system for Maryland's mix of humid summers and hard freezes.

We serve heat pump repair & installation across Gaithersburg and all of Montgomery County, including:

Heat Pump Repair & Installation FAQs

Why is my heat pump running the backup heat so much?
Excessive auxiliary heat usually points to low refrigerant, a defrost problem, a failing reversing valve, or an undersized system. It drives up electric bills fast, so it's worth a diagnostic to catch the cause early.
How long do heat pumps last in Maryland?
Because a heat pump runs for both heating and cooling, it typically lasts 12–15 years — a bit less than a system that only cools. Annual maintenance and correct refrigerant charge make a real difference in getting the full lifespan.
Is a heat pump a good choice for Maryland?
Yes. Modern heat pumps handle Maryland's climate well, especially as a dual-fuel setup paired with a gas furnace for the coldest days. They heat and cool efficiently from one system, and you may qualify for rebates on high-efficiency models.
My heat pump is frozen over in winter. Is that normal?
A light frost that clears during defrost cycles is normal. A unit encased in ice that won't defrost is not — it can indicate a defrost control, sensor, or refrigerant issue. Call us before it damages the compressor.
Can you install a ductless heat pump in an older home?
Absolutely. Ductless mini-splits are ideal for homes without ductwork, additions, and problem rooms. We size and install them for efficient, zoned comfort without major renovation.

Trusted by Your Neighbors

5.0 / 5· 112+ reviews
Pedro and team did a great job installing a new heat pump system in my home. Communication, pricing, cleanliness, and turnaround time were top notch!

Chris Bryant

Verified Google review

Heat Pump Installation

P&Y (Pedro) and his crew were absolutely outstanding. My unit was about 20 years old and giving problems. He was very responsive and made an appointment the same day. He not only told me the issue but gave me options — a repair price and a price on a new unit — even knowing the unit was 20 years old. Other companies just told me to change the unit. His crew spent almost 7 hours and tested it so it worked perfectly. Reasonable and great pricing than these big box companies.

Sandeep Visveswaran

Verified Google review

AC Installation

Great service and very honest. My parents had an HVAC issue where they called two different companies and both said to replace the whole unit. We decided to go for a 3rd opinion and contacted P&Y. It turned out to be a simple fix.

Mario Velarde

Verified Google review

AC Repair

Need Heat Pump Repair & Installation in Gaithersburg?

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  • 5.0★ (112+ reviews)
  • Licensed & Insured
  • 24/7 Emergency Service
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