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ADI Heating and Air

From seasonal maintenance and repairs to new system installations, we service all makes and models available in the marketplace ranging from furnaces, heat pumps, central air-conditioning units, ductless split systems, commercial refrigeration, and ductwork design and installation.
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About ADI Heating and Air

When it comes to keeping your heating and air conditioning systems running smoothly and efficiently year-round in the Olney, Brookeville, Gaithersburg, Rockville, Silver Spring, greater Montgomery County, and NW Washington DC area, you can always trust the experienced hand of ADI Heating and Air-Conditioning. Based in Montgomery County, Maryland, we have over 30 years of experience in serving the greater Washington DC area and specialize in all aspects of indoor air quality and comfort, both residential and commercial.
Year Established
Phone Number
(301) 774-4200

AC, Heating, Indoor Air Quality, Ductless, Commercial Refrigeration, Central HVAC Services, Energy Efficiency, Mini-Split HVAC, Furnaces, Oil Services, Radiant Floors, Radiators, Boilers


EPA Certified, BBB

Industry Certifications

  • Better Business Bureau



States Served