About Us

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Michael Bonsby HVAC, Plumbing & Electrical Has Been Maryland & DC’s Trusted Home Service Contractor for 20+ Years

If you have been searching for just the right HVAC contractor to serve your home comfort needs, you have definitely come to the right place—Michael Bonsby HVAC, Plumbing & Electrical is here to help. Our expert technicians can diagnose and repair any issue, replace an outdated system in your home, or install new equipment for a new home addition.

We have been in business for over two decades, and during that time, the one thing that has set us apart from other heating and air conditioning companies in the Gaithersburg area is our undying commitment to our customers. We do not pay our staff on commission, ensuring that you always get a skilled technician whose primary concern is not rushing through your job so he can get to the next one, but is instead finding and fixing your problem as thoroughly as possible. This also allows us to focus on the very best option for you—the customer.

So, if you are trying to decide the best heating, cooling, and indoor air quality solutions for your home or if you need help sorting out the confusion and you want some friendly advice from an experienced HVAC contractor, you can always rely on us.

Contact us online or call 301-990-7970 today for HVAC and plumbing services you can trust.

Our HVAC Services

We offer installation, replacement, maintenance, and repair HVAC services on:

Our Plumbing Services

We offer the following plumbing services:

Our Professional Affiliations

Air Conditioning Contractors of America (ACCA)

We are a member of ACCA and participate in the ACCA Apprenticeship Program to train our technicians.

National Comfort Institute (NCI)

We are also Trained and Certified with NCI, the leader in HVAC diagnostics for both airflow- and combustion-related topics.

Choose Michael Bonsby HVAC, Plumbing & Electrical for Your MD & DC HVAC & Plumbing Services

Michael Bonsby HVAC, Plumbing & Electrical services homes in Montgomery County, Maryland, and NW Washington, DC. If you need to install, maintain, or repair a heating or air conditioning system, we are the HVAC contractor you can rely on for a job done right!

Contact us online or call us at 301-990-7970 to request a quote or schedule an appointment.

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Proudly Serving Proudly Serving Montgomery County, MD, Fairfax County, VA
and the Greater Washington, DC Area
Montgomery County, MD,
Fairfax County, VA and
the Greater Washington, DC Area
Alexandria, Bethesda, Boyds, Centreville, Chantilly, Chevy Chase,
Clarksville, Damascus, Darnestown, Derwood, Ellicott City,
Fairfax, Falls Church, Gaithersburg, Germantown, Glenelg,
Great Falls, Herndon, Kensington, Laytonsville, McLean,
Montgomery Village, Mt. Airy, North Bethesda, North Potomac,
Oakton, Olney, Potomac, Reston, Rockville, Silver Spring, Springfield,
Urbana, Vienna, Washington, DC
Alexandria, Bethesda, Boyds, Centreville, Chantilly, Chevy Chase, Clarksville, Damascus, Darnestown, Derwood, Ellicott City, Fairfax, Falls Church, Gaithersburg, Germantown, Glenelg, Great Falls, Herndon, Kensington, Laytonsville, McLean, Montgomery Village, Mt. Airy, North Bethesda, North Potomac, Oakton, Olney, Potomac, Reston, Rockville, Silver Spring, Springfield, Urbana, Vienna, Washington, DC View More >
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