Your Comfort Is Our FIRST Priority
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Jaffe Electric Company is now a part of the Michael Bonsby family! Learn more about the merger here
Your Comfort Is Our FIRST Priority
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24/7 Emergency Service
20+ Years of Service

Air Conditioning, Heating & Plumbing in Gaithersburg, MD

20+ Years of Experience in Maryland & DC

Keeping your home comfortable and safe means ensuring all your essential systems are functioning properly. At Michael Bonsby HVAC, Plumbing & Electrical, your comfort is our priority.

We offer the comprehensive heating, cooling, electrical, and plumbing solutions that Maryland and Washington, DC, residents have trusted for over 20 years.

Prioritize comfort and safety by trusting the experts at Michael Bonsby.

Call 301-990-7970 to request HVAC or plumbing services in Gaithersburg, MD.

Cooling

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

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

Heating

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

Indoor Air Quality

Did you know the air in 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’s air. 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 technicians are here to help with all your fixture failures and malfunctions. We provide emergency plumbing repairs, installations, and replacements for families in Gaithersburg, MD.

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

Electrical

Our licensed and insured electricians offer a comprehensive range of residential and electrical services. We can install lights, replace sockets, maintain signage, repair generators, and more.

Our electrical services include:

  • Installation & replacement: We can install or replace wiring, lighting, outlets, sockets, electrical panels, subpanels, and more. We can install or replace systems in new construction or as part of renovation/remodeling work.
  • Repair: Our licensed and insured electricians can repair malfunctioning circuit breakers, ceiling fans, generators, exterior lighting, interior lighting, and more. We can thoroughly inspect your electrical system for deficiencies and effectively resolve electrical code violations.
  • Generators: Our generator installations, repairs, and maintenance will protect your home against blackouts and brownouts. We specialize in servicing Generac systems and will ensure your system is properly maintained and can provide the reliable support you need.
  • Commercial: Our comprehensive commercial electrical services include commercial electrical inspections and code corrections and commercial electrical repairs, lighting repairs, light poleselectrical signage, property management electrical repairs, and more.

Contact Michael Bonsby HVAC, Plumbing & Electrical at 301-990-7970 to schedule residential or commercial electrical services in Montgomery, Carroll, Howard, or Frederick County.

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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!

Let’s Work Together What To Expect
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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$50 Off any Electrical repair Expires 12/31/2024 Other restrictions may apply. Cannot be used in combination with any other offer. Valid on estimates of $300 or more. Not redeemable for cash. ©2024 Michael Bonsby

Furnace Tune-Up for only

$69 Expires 12/31/2024 Other restrictions may apply. Cannot be used in combination with any other offer. ©2024 Michael Bonsby

New HVAC System

No Payments, No Interest for 12 Months OR
Get up to $2,500 in Cash Rebates Expires 12/31/2024 Offer valid on new full systems only. Cannot be used in combination with any other offer. Some restrictions may apply. Financing offer with approved credit, after 12 months APR 11.99%. ©2024 Michael Bonsby

HEATING & COOLING SYSTEM

Gas Furnace & Electric Air Conditioning System or a Complete Heat Pump System
$200 Off Expires 12/31/2024 Coupon must be presented at time of estimate. Cannot be combined with other offers. One per customer.©2024 Michael Bonsby

ANY ACCESSORY ITEM

Digital Thermostat, UV Surge Protector, Air Filter, AC Unit Cover
$25 Off Expires 12/31/2024 Coupon must be presented at time of estimate. Cannot be combined with other offers. One per customer.©2024 Michael Bonsby
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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  • By submitting, you authorize Michael Bonsby to reach you via call, email, or text messages with offers and other information about your project’s needs. Message/data rates apply. Consent is not a condition of purchase.

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