Top Rated Heating & Air Conditioning Contractors Serving Montgomery County, MD
Last Updated May 15, 2026
14452 Review Ratings and 9 Heating & Air Conditioning Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
AMS Air Conditioning & Heating
AMS Air Conditioning & Heating provides various heating and air conditioning services for residential and commercial clients throughout the Washington Metro area. The company is qualified to work on everything from mini splits and ductless heating and cooling systems to HVAC installations and seasonal tune-ups, and its technicians ensure each project is backed by superior craftsmanship and customer service.
Services
Heating & Air conditioning Contractors including mini splits, ac tune ups, HVAC replacement, commercial air conditioning, ductless heating and cooling systems, air conditioning, furnace & heating, water heaters & tankless systems, heat pumps, air purifiers, thermostats, humidifiers, split systems, central heating, central air, ductwork, roof top systems, compressor repair and condenser repair.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Beallsville, Olney, Poolesville, Brookeville, Barnesville, Cabin John, Bethesda, Chevy Chase, Glen Echo and Boyds.
- 4811 Rim Rock Rd
- Rockville, MD 20853
Sichinava Heating and Air Conditioning
Sichinava Heating and Air Conditioning offers heating and air conditioning services to residential and commercial clients in Montgomery County. The company works on everything from air conditioner repairs and duct sealing to ventilation systems and HVAC maintenance, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including ac tune ups, HVAC replacement, heat pump repair, furnace repair, HVAC installation, gas furnace installation & repair, electric furnace installation & repair, heat pump installation & repair, air conditioning installation & repair, indoor air quality & purifiers, HVAC system installation, thermostat installation & repair, commercial and residential HVAC.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Chevy Chase, Bethesda, Barnesville, Cabin John, Poolesville, Glen Echo, Beallsville, Olney, Boyds and Brookeville.
- 396 N Summit Ave
- Gaithersburg, MD 20877
A & K Heating and Air Conditioning
A & K Heating and Air Conditioning offers heating and air conditioning services to residential and commercial clients in Montgomery County. The company works on everything from duct sealing and heat pump repairs to indoor air quality testing and seasonal tune-ups, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including ac tune ups, air conditioner repair, air conditioning, furnace repair, ductless heating and cooling systems.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Poolesville, Barnesville, Olney, Beallsville, Glen Echo, Brookeville, Chevy Chase, Boyds, Bethesda and Cabin John.
- 11 Fenceline Dr
- Gaithersburg, MD 20878
Atlantic Coastal Cooling & Heating
Atlantic Coastal Cooling & Heating offers a wide range of heating and air conditioning services to residential and commercial clients throughout Montgomery County. The company has the in-house capabilities to work on everything from zoning system installations and HVAC upgrades to thermostat installations and water heater repairs, and it customizes each project to meet the client’s budget requirements.
Services
Heating & Air conditioning Contractors including air conditioner repair, furnace repair, HVAC replacement, mini splits, ac tune ups, gas and electric furnace repair, heat pump installation and repair, custom duct work, fossil fuel to electric conversions, heat pump water heaters, a/c installation, ductless a/c, thermostat, air cleaners, ultraviolet air purification, whole house dehumidifiers and whole house humidifiers.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Olney, Brookeville, Barnesville, Chevy Chase, Boyds, Bethesda, Beallsville, Poolesville, Glen Echo and Cabin John.
- 7845 Cessna Ave
- Gaithersburg, MD 20879
Clarksburg Heating and Air Conditioning
Clarksburg Heating and Air Conditioning offers heating and air conditioning services to residential and commercial clients in Montgomery County. The company works on everything from water heater repairs and ductwork installations to HVAC maintenance and heat pump repairs, and its employees focus on delivering first-rate workmanship on each job.
Services
Heating & Air conditioning Contractors including ac tune ups, heating, mini splits, ductless heating and cooling systems and heat pump repair.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Bethesda, Brookeville, Olney, Chevy Chase, Glen Echo, Cabin John, Beallsville, Barnesville, Boyds and Poolesville.
- 10221 White Pelican Way
- New Market, MD 21774
Cold Comfort HVAC Services
Cold Comfort HVAC Services provides residential and commercial clients in Montgomery County with a wide variety of heating and air conditioning services. The company works on everything from HVAC troubleshooting and HVAC upgrades to ventilation systems and water heater repairs, and its technicians are known for their quality workmanship and honesty.
Services
Heating & Air conditioning Contractors including commercial air conditioning, HVAC replacement, water heater repair, heat pump repair, heating and HVAC system maintenance.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Chevy Chase, Olney, Glen Echo, Poolesville, Bethesda, Barnesville, Beallsville, Brookeville, Boyds and Cabin John.
- 1110 Taft St
- Rockville, MD 20850
Cool Breeze Plumbing, Heating & A/C
Cool Breeze Plumbing Heating & A/C provides a wide range of heating and air conditioning services for residential and commercial clients throughout Montgomery County. The company has the in-house capabilities to work on everything from ductwork installations and indoor air quality testing to ventilation systems and water heater repairs, and its technicians prioritize customer satisfaction in every aspect of their work.
Services
Heating & Air conditioning Contractors including HVAC replacement, water heater repair, air conditioner repair, commercial air conditioning, heat pump repair, upgrade and replacement, indoor air quality, sheet metal fabrication, air duct cleaning, plumbing installation, drain and sewer repair.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Cabin John, Glen Echo, Beallsville, Poolesville, Olney, Bethesda, Boyds, Barnesville, Chevy Chase and Brookeville.
- 18918 Premiere Ct
- Gaithersburg, MD 20879
Mike's Heating & Cooling
Mike's Heating & Cooling offers various heating and air conditioning services to residential and commercial clients in Montgomery County. The company is qualified to work on everything from HVAC installations and water heater repairs to HVAC troubleshooting and duct sealing, and it prioritizes clear communication and customer satisfaction on every project.
Services
Heating & Air conditioning Contractors including HVAC replacement, air conditioner repair, heating, ductless heating and cooling systems, water heater repair, air conditioning repair, air conditioning installation, gas, electric, and heater repair maintenance and installation, heat pump repair and installation, electric water heater repair, maintenance and installation.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Olney, Boyds, Cabin John, Chevy Chase, Barnesville, Bethesda, Beallsville, Glen Echo, Poolesville and Brookeville.
- 9021 Linton St
- Silver Spring, MD 20901
Zapata's HVAC Systems
Zapata's HVAC Systems offers a wide range of heating and air conditioning services to residential and commercial clients throughout Montgomery County. The company has the in-house capabilities to work on everything from furnace repairs and indoor air quality testing to air conditioner repairs and water heater repairs, and it customizes each project to meet the client’s budget requirements.
Services
Heating & Air conditioning Contractors including commercial air conditioning, heat pump repair, ductless heating and cooling systems, ac tune ups and air conditioning.
Coverage Areas
The Washington Metro Area, including Montgomery County—key cities including Chevy Chase, Beallsville, Olney, Cabin John, Bethesda, Poolesville, Barnesville, Brookeville, Boyds and Glen Echo.
- 9164 Piney Branch Rd
- Silver spring, MD 20903
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
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ONE AllRatings star score of 4.5.
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Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
Meet our research specialist team
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