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Olney, Gaithersburg, Montgomery County Air-Conditioning, Repair Company, AC Installation, Heat Pump, Furnace Contractor,  Replacement, Tune-Up Specialists – Call (301) 774-4200 For Service
We Service All Makes and Models of Furnace, Air-Conditioner, Boilers, Heat Pumps, Hot Water Heaters – Emergency Service Available!

When it comes to keeping your heating and air conditioning systems running smoothly and efficiently year-round in the Olney, Gaithersburg, Silver Spring and greater Montgomery County, Maryland 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.

From seasonal maintenance and repairs to new system installations, we service all makes and models available in the marketplace ranging from furnaces, heat pumps and hot water heaters to boilers, central air-conditioning units, and ductless heating and air systems.

We are also expert in all facets of indoor air-quality and offer free consultations on how to best integrate humidifiers, electronic air cleaners, and air purifiers into your home or office.

For peace-of-mind, we also offer one of the most extensive work guarantees available in the industry, as well as service agreements inclusive of regularly scheduled system checks and seasonal tune-ups.

If you need immediate service for your home or a rental property in Olney, Gaithersburg, Silver Spring, or the greater Montgomery County, Maryland area, or have question regarding your home’s heating, cooling, or indoor air-quality, feel free to give us a call directly at (301) 774-4200.

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Service Areas: Montgomery County, Olney, Laytonsville, Gaithersburg, Rockville, Potomac, Bethesda, Germantown, Kensington, Chevy Chase, Derwood, Silver Spring, Damascus, Wheaton, North Potomac, Cabin John, Glen Echo, Washington Grove

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