Your Comfort Is Our FIRST Priority
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Your Comfort Is Our FIRST Priority
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24/7 Emergency Service
20+ Years of Service
Heating, Air Conditioning & Plumbing in Gaithersburg, MD

Over 20 Years of HVAC & Plumbing Experience in Maryland & Washington, DC

Keeping your home comfortable and safe means ensuring all your essential systems are functioning properly. At Michael Bonsby HVAC & Plumbing, your comfort is our first priority. We offer the comprehensive heating, cooling, and plumbing solutions that Maryland and Washington, DC residents have trusted for over 20 years.

Make comfort and safety your number-one priority by trusting the experts at Michael Bonsby. Call 301-990-7970 to request HVAC or plumbing services in Gaithersburg, MD today!

Heating

We proudly service all types of heating equipment, including furnaces, boilers, and heat pumps. From new system installations and replacements to emergency repair services and annual maintenance, we are here to keep your heating system running smoothly. We also offer HVAC remodeling solutions to accommodate any renovation work you may be completing in your home.

Cooling

Our team offers a wide variety of air conditioning services, including:

  • Air Conditioning Repair: From standard AC repair to 24/7 emergency air conditioning service, our team is here to help when your equipment fails or malfunctions.
  • Air Conditioning Installation & Replacement: Choose from our wide selection of top-quality air conditioning systems to install in your home.
  • Air Conditioning Maintenance: Through our annual air conditioning maintenance services, we’ll keep your system in the best working condition possible.

Indoor Air Quality

Did you know the air inside your home can be up to five times more polluted than the air outside? Michael Bonsby offers plenty of indoor air quality solutions designed to target and eliminate harmful airborne contaminants from your home air supply. Our indoor air quality solutions include:

  • Duct cleaning
  • Duct sealing
  • Dehumidifiers
  • Humidifiers
  • Carbon monoxide detection
  • UV light systems
  • Whole-home air cleaners

Plumbing

Our plumbers are specially trained to handle all types of service requests ranging from simple to complex. From drains and sewers to toilets, faucets, and water heaters, our plumbing service technicians are here to help with all of your fixture failures and malfunctions. We provide emergency plumbing repairs, installations, and replacements for families throughout Gaithersburg, MD.

Get help today by contacting Michael Bonsby at 301-990-7970 to request HVAC or plumbing services in Maryland or Washington, DC!

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We Offer Financing We Offer Financing

We offer many convenient financing options to satisfy virtually any budget. Speak to a member of our team to learn more about your financing options!

We offer many convenient financing options to satisfy virtually any budget. Speak to a member of our team to learn more about your financing options!

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Family Owned &
Operated

As a family-owned and -operated HVAC and plumbing company, we proudly treat every customer like a member of our own family.

Fully licensed bonded
& Insured

Each of our HVAC and plumbing technicians is fully licensed, bonded, and insured for your peace of mind during every service appointment.

24/7 HVAC
Emergency Service

We understand that emergencies happen at the worst time, which is why we offer 24/7 emergency HVAC repair services throughout the region.

Same Day Service
Available

Our team works hard to deliver same-day service solutions, allowing families to regain total comfort and safety in their homes in no time.

Free Replacement
Estimates

When your HVAC or plumbing equipment needs replacement, our team will provide a free service estimate, so you know what to expect.

Fossil Fuel to
heat conversions

Enjoy the benefits of switching to natural gas through our fossil fuel to gas heating system conversion solutions designed to enhance efficiency.

What Our Clients Have To Say Read All Reviews >
A/C failed at 8pm on a Friday before a long weekend with 90+ heat coming. Michael Bonsby team were incredibly responsive, going so far as to call back less than 30 minutes later to ensure we could get on the… Kim V.
Working with Michael Bonsby was a pleasure. The estimate came in lower than many other major HAVC companies in the work was impeccable. I was given several installation options and was able to research and pick the best choice for… Derrick M.
Michael Bonsby has been our go to company for routine maintenance & repair of the older heating and ac systems for over 5 years. They also installed new systems when the original systems were aged and failed. No glitches with… Karen
Really happy with Bonsby and with the plumber they sent. We’d called several other companies for a problem with our hot water and no one was able to get to the bottom of it. Justin was able to quickly identify… Allison S. 
Michael Bonsby is the third HVAC company we have tried, and they are far superior to the other two, including the company that installed our system! Their technician Davontay is the most knowledgeable and informative HVAC technician I have met,… Steve H.
Our Coupons & Specials Our Coupons &
Specials
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HEATING & COOLING SYSTEM

Gas Furnace & Electric Air Conditioning System or a Complete Heat Pump System
$200 Off Expires 02/28/2023 Coupon must be presented at time of estimate. Cannot be combined with other offers. One per customer.

ANY ACCESSORY ITEM

Digital Thermostat, UV Surge Protector, Air Filter, AC Unit Cover
$25 Off Expires 02/28/2023 Coupon must be presented at time of estimate. Cannot be combined with other offers. One per customer.
Membership Plans

The best way to avoid premature failure or breakdown in your HVAC system is through annual maintenance. Michael Bonsby offers several maintenance plans to help homeowners save on the cost of their comfort needs all year round. Sign up for our maintenance plans by calling 301-990-7970!

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We Service All HVAC Makes & Models Learn More
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Proudly Serving Proudly Serving Montgomery County, MD and the
Greater Washington, DC Area
Montgomery County, MD
and the Greater Washington, DC Area
Bethesda, Boyds, Chevy Chase, Clarksville, Damascus, Darnestown,
Derwood, Ellicott City, Gaithersburg, Germantown, Glenelg, Kensington,
Laytonsville, Montgomery Village, Mt. Airy, North Bethesda,
North Potomac, Olney, Potomac, Rockville, Silver Spring, Urbana,
Washington, DC
Bethesda, Boyds, Chevy Chase, Clarksville, Damascus, Darnestown, Derwood, Ellicott City, Gaithersburg, Germantown, Glenelg, Kensington, Laytonsville, Montgomery Village, Mt. Airy, North Bethesda, North Potomac, Olney, Potomac, Rockville, Silver Spring, Urbana, Washington, DC View More >
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