Trust the Experts
  • 24/7 Emergency Service
  • Fast, Same Day Service
  • Trusted for Over 20 Years!
  • Full Service Heating & AC
  • Free Replacement Estimates
  • Eco Friendly Options
  • Servicing All Makes & Models
  • Certified HVAC Technicians
  • Flexible Maintenance Plans
I Need a New System!

Whether you need to replace your existing HVAC system, or you want to install a brand new one, you can rely on the pros at Michael Bonsby Heating & Air Conditioning!

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I Need Repairs or Service

Need either HVAC system repairs or maintenance? You can count on Michael Bonsby Heating & Air Conditioning for fast, expert service for any make or model!

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10% OFF Your Next Repair

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Get Help Today! Same day service, 7 days a week 301-990-7970​
Our Experience Over 20 Years of HVAC Experience in Maryland & Washington, DC

With over two decades of HVAC industry experience, Michael Bonsby Heating & Air Conditioning, located in the Montgomery County Air Park in Gaithersburg, Maryland, provides homes and business owners throughout Montgomery County, MD and Washington, DC with top quality heating and air conditioning services for any HVAC system, including:

We can service and repair your HVAC systems to make sure they’re running properly, and we can install a new unit when your old one breaks down. We also offer the latest in sustainable green HVAC technology, which can not only save you money in energy costs, but can help you clean up your environment.

Why call Michael Bonsby Heating & Air Conditioning for HVAC service?

  • Family owned and operated, local HVAC company
  • Guarantee complete customer satisfaction from start to finish
  • Trained, educated, and licensed HVAC technicians
  • Accurate quotes for time, materials, and equipment
  • Fully licensed, bonded and insured
  • Member of Air Conditioning Contractors of America (ACCA)
  • Featured as HVAC provider on “This Old House”
  • 24-hour HVAC service – usually by the next day
  • Special HVAC financing available

If you are interested in learning more about our heating, air conditioning, and indoor air quality systems and services, contact our HVAC company today!

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HVAC Service Contracts

Want to ensure you’re always at the top of the list when it comes to HVAC services? Sign up for a service contract with Michael Bonsby Heating & Air Conditioning! Our HVAC service contracts will guarantee you priority service on the hottest and coldest days of the summer, and come with a number of benefits that go above and beyond normal levels of service. For more information, call us today at 301-990-7970!

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HVAC Services Air Conditioners | Furnaces
Heat Pumps

No matter what you use to keep your home comfortable throughout the year, the experts at Michael Bonsby Heating & Air Conditioning will make sure it takes care of you. Our trained and certified HVAC technicians can service any type of HVAC equipment, including:

Air Conditioners – some of the most popular cooling systems available, air conditioners pull heat out of your home to cool the air. Michael Bonsby Heating & Air Conditioning can install and repair any make or model of air conditioner to keep you cool all summer long.

Furnaces –gas or oil furnaces are some of the most efficient types of heating systems available and will keep your home warm even on the coldest days. For furnace installation, repair, replacement, or maintenance in Maryland and Washington, DC, call Michael Bonsby Heating & Air Conditioning!

Heat Pumps – since they don’t burn fuel to create heat, heat pumps are an extremely energy-efficient HVAC system. Best of all, they can provide both cooling in the summer and heating in the winter! The HVAC technicians at Michael Bonsby Heating & Air Conditioning are fully trained and certified to work on any type of heat pump, so if you need installation, repair, replacement, or maintenance, call us today!

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