Heat Pump Installers in Gaithersburg, MD

Gaithersburg sits at the center of Montgomery County's heating and cooling trade, and the heat pump installers in Gaithersburg tend to work the whole county, from Potomac and Bethesda up to Frederick. This page lists 46 companies, including listings based in North Potomac, Derwood and Montgomery Village.

The established firms here are large and long-running. GAC Services, rated 4.9 from 7941 reviews and in business since 1970, repairs and replaces heat pumps, ductless units and furnaces and offers hybrid heating and air duct testing. Michael Bonsby HVAC, Plumbing & Electrical, rated 4.8 from 2649 reviews, installs heat pumps, ductless systems and geothermal heating. James A. Wheat & Sons, Inc. has served Montgomery County and northwest DC since 1978 and installs both heat pumps and geothermal heat pumps.

Sizing gets real attention among the local shops. P&Y Heating and Cooling, rated 5.0 from 111 reviews, sizes new systems with a load calculation and serves Rockville, Germantown and Derwood. Hecox Home Services LLC, based in Rockville and run since 2000 by Gayle Hecox and his sons, does precise sizing and load calculations and specializes in ductless mini-split systems. Mallick Mechanical Services, working since 1994, also runs load calculations and has swapped oil furnaces for high efficiency heat pumps.

Ductless work is strong too. Smock Heating & Air is a Mitsubishi Diamond Elite Contractor for ductless installation, and Atlantic Coastal Cooling and Heating, Inc. (ACCH) specializes in custom ductwork and ductless systems. Mannix Heating and Cooling- Gaithersburg adds Aeroseal duct sealing and high-velocity systems to its heat pump work.

Featured heat pump installers in Gaithersburg

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Best heat pump installers in Gaithersburg

GAC Services

4.9(7,941 reviews on Google)

227 E Deer Park Dr, Gaithersburg

  • Installs heat pumps
  • Ductwork
  • Ductless mini-splits
(301) 202-1641

United Air Temp

4.8(439 reviews on Google)

845 Quince Orchard Blvd E, Gaithersburg

  • Installs heat pumps
  • Ductless mini-splits
  • Geothermal
(410) 424-5902

Smock Heating & Air

5.0(183 reviews on Google)

7600 Rickenbacker Dr Ste M, Gaithersburg

  • Installs heat pumps
  • Ductless mini-splits
  • Furnaces and boilers
(301) 831-8288

AirPro Heating & Cooling

5.0(57 reviews on Google)

14701 Maine Cove Terrace, Gaithersburg (based in North Potomac)

  • Installs heat pumps
  • Furnaces and boilers
  • Maintenance plans
(240) 498-6588

ADI

4.9(57 reviews on Google)

21529 Ripplemead Dr, Gaithersburg

  • Installs heat pumps
  • Ductwork
  • Ductless mini-splits
(301) 774-4200

Potomac HVAC

5.0(107 reviews on Google)

12029 Apple Knoll Ct, Gaithersburg (based in North Potomac)

  • Ductwork
  • Ductless mini-splits
  • Furnaces and boilers
(888) 880-0945

ALIHAN LLC

5.0(105 reviews on Google)

20503 Ivory Pass Ct, Gaithersburg

  • States license and insurance
(301) 674-9548

Boland

4.6(17 reviews on Google)

30 W Watkins Mill Rd Suite 300, Gaithersburg

  • Energy audit or air sealing
  • Rebate and EmPOWER help
  • Financing
(240) 306-3000

AirFix HVAC

5.0(9 reviews on Google)

Royal Bonnet Cir, Gaithersburg (based in Montgomery Village)

Santy and Sons HVAC

5.0(1 review on Google)

4401 Sundown Rd, Gaithersburg

  • Emergency service
  • Maintenance plans
  • States license and insurance
(301) 924-1838

Densel Company.

1.0(1 review on Google)

7640-A Airpark Rd, Gaithersburg

  • Ductwork
  • Furnaces and boilers
  • Emergency service
(301) 670-0970

Geothermal and building science both have a place. United Air Temp, with roots going back to 1931, installs geothermal heat pumps and dual fuel hybrid systems. Harvey W Hottel, Inc. has offered heating, geothermal, spray foam insulation and energy audits since 1945, one of the few companies here that works on the house itself. Boland also offers energy audits along with EmPOWER rebate help.

Cool Breeze Plumbing, Heating & A/C has worked from Gaithersburg since 1981. Its 21 employees handle every job without subcontractors, its technicians hold NATE certification, and it carries master permits for the jurisdictions it works in. Metro Services HVAC, rated 4.9 from 411 reviews, covers Montgomery, Frederick and Howard counties and Washington DC, and does ductwork design and installation along with heat pumps and ductless heating.

For a heat pump in an older Montgomery County house, the useful questions are the same at every company here: will the system be sized from a load calculation, will the existing ducts be tested, and will a backup heat source stay in place for the coldest nights. GAC Services and Mannix Heating and Cooling- Gaithersburg both test or seal ducts, and ADI has installed dual fuel systems that keep a furnace as backup.

Companies based here name Rockville, Potomac, Bethesda, Silver Spring, Germantown, Olney and Frederick among the places they work. Nearby pages for Rockville, Germantown, Olney, Boyds and Kensington list the companies based in those towns.

Common questions about heat pump installers in Gaithersburg

Which Gaithersburg companies size a heat pump with a load calculation?

P&Y Heating and Cooling, Hecox Home Services LLC and Mallick Mechanical Services each size systems with a load calculation. Ask for the report with your quote so you can see the room by room numbers.

Who installs geothermal heat pumps around Gaithersburg?

James A. Wheat & Sons, Inc. installs and repairs geothermal heat pumps. United Air Temp and Michael Bonsby HVAC, Plumbing & Electrical also install geothermal systems, and Harvey W Hottel, Inc. has offered geothermal since 1945.

Can I get an energy audit or insulation work before a heat pump in Gaithersburg?

Harvey W Hottel, Inc. offers energy audits and spray foam insulation along with heating and geothermal work. Boland offers energy audits and helps with EmPOWER rebates.

Who specializes in ductless mini-splits in Gaithersburg?

Smock Heating & Air is a Mitsubishi Diamond Elite Contractor for ductless installation. Hecox Home Services LLC specializes in ductless mini-split systems, and Atlantic Coastal Cooling and Heating, Inc. (ACCH) specializes in ductless and custom ductwork.

Which nearby towns have their own page?

Rockville, Germantown, Olney, Boyds and Kensington each have their own page. Listings from North Potomac, Derwood and Montgomery Village appear on this Gaithersburg page.

Heat Pump Installers near Gaithersburg

Before you hire

In Maryland, look up the company with the State Board of HVACR Contractors, and for home improvement contracts the Maryland Home Improvement Commission. This directory does not verify licenses. Ask for the license number and look it up before you sign, and ask for a Manual J load calculation before anyone sizes a heat pump.