Celebrating 120 Years of Service

$75 Off Your Next Plumbing Service Call


Regular Rates

7 Days A Week

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Regular Rates

7 Days A Week

Expert HVAC, Plumbing & Electrical
in DC, VA & MD

Unmatched Experience

With over 120 years of experience serving the Maryland, Virginia, and Washington, D.C. regions, the John C. Flood team has earned a reputation for providing excellent repair, service, and installation for HVAC, plumbing, electrical, and home remodeling.


If you are looking for an HVAC contractor, plumber, electrician, or remodeling crew in the Maryland, Virginia, or metro D.C. regions, trust John C. Flood to take care of the job.

We’ve been serving our customers with the best repair and installation services and are available with regular rates 7 days a week.

Our goal is to keep you and your family comfortable throughout the year, and you can count on us to do the job right the first time. Learn more about the services we offer or contact us online.

Unmatched Expertise

Your HVAC system is designed to maintain a comfortable indoor air temperature — no matter the temperature outside! However, even the most sophisticated systems develop problems during months of extreme temperatures. 

At John C. Flood, we diagnose and treat problems from the most common to the most complicated, including air conditioningheating, and furnace repairs. Our HVAC team is also equipped to improve your home’s indoor air quality with whole home air purifier and air scrubber installation services.


There are several common plumbing problems you might be able to handle on your own, but clogged drains, burst pipes, sump pump repairshot water heater issues or low water pressure are just a few of the many cases when a professional plumber is needed.

Whether your sewer line is backing up, your basement is flooding, or there’s a water main break, call John C. Flood. We have the knowledge and experience to handle any plumbing problem quickly and efficiently. Learn more about all our plumbing services.

Providing Comfort to Families for over 120 Years
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Maryland, Virginia, and Washington D.C.
HVAC, Plumbing, and Electrical

You’ll be hard-pressed to find a company in the Maryland, Virginia and Washington D.C. region that has as much experience providing electrical services as the John C. Flood team. Our certified electricians have trained eyes to catch many common electrical issues seen in the home. If you’re experiencing frequent power surges, malfunctioning light switches, or want to install a home generator, our team can help.

We also specialize in updating the electrical systems in your home and conduct inspections to ensure your wiring is up to code. Outdated systems are an inefficient use of energy and can spike your monthly utility bill. Our electricians can audit your home and recommend ways to improve its energy efficiency.