With nearly two decades of service, Michael Bonsby Heating & Air Conditioning, LLC provides heating and cooling systems and services for home and business. We are: A family-owned and operated business - your assurance of quality Well trained and educated HVAC technicians Equipment replacement specialists Fully licensed and insured A featured service provider on "This Old House"

We offer:

• Complete customer satisfaction guaranteed - from consultation to completion
  
  
• Accurate estimates for both time and materials
  
  
• HVAC system designs using "Manual J"
  
  
• "Same as Cash" financing for up to 18 months
  

We specialize in Residential as well as Commercial service and installation for a variety of HVAC related equipment, including:

• Heat pumps
  
  
• Gas furnaces
  
  
• Gas boilers (hot water & steam)
  
  
• Oil Furnaces & Boilers
  
  
• Air conditioning systems
  
  
• Humidifiers
  
  
• Air cleaners (and other indoor air quality options)
  
  
• Geothermal Heat Pumps NOW AVAILABLE.

We service homes and businesses, throughout Montgomery County MD including:
Bethesda Brookville Boyds Chevy Chase Damascus Gaithersburg Germantown Kensington	Olney Potomac Rockville Silver Spring Somerset Sunshine Takoma Park Wheaton
We also serve Frederick County MD and Washington, DC.

Let us design a system for you. Tax credits, grants and rebates are now available. 

We can install or design any type of heating or cooling system required in your home or light commercial building. We install high-efficiency comfort systems designed to be the most cost-effective on the market and geared to your particular property. We are specialists in hot water and steam boiler heating systems We sell and install American Standard brand furnaces, air conditioning units, heat pumps, air handlers as well as humidifiers and air cleaners We service and repair all brands of equipment

We are a member of the American Standard Heating and Air Conditioning Customer Care (ACCA) Dealer Program that embraces the total concept of customer service and satisfaction.

We are available for service 24 hours a day 7 days a week.
We accept VISA and MASTERCARD.

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