Providing Expert Plumbing, Heating & Air Conditioning Service Since 1950

Since 1950, the Magnolia Companies have been providing homes, businesses and government offices in Maryland, Northern Virginia, and Washington, D.C. plumbing and HVAC services. Whether you need an emergency plumber in DC, a complete heating or cooling system installed in Rockville, MD, or a drain cleared in Maryland, we’ve got you covered. The entire Magnolia team works to provide:

  • Peace of mind that your plumbing and HVAC is done right and backed with a 100% Satisfaction Guarantee.
  • Faster response times with GPS-enabled fleet electronically dispatched from 3 locations serving Washington, DC, Maryland and Northern Virgina's Fairfax and Vienna areas.
  • Value and savings by utilizing today’s technology, advanced training, and trusted quality products which carry full factory warranties.
  • Convenience with extended service hours of 7 am - 7 pm, 7 days a week with no overtime charges on most of our residential services.
  • Experience the difference with a team you can trust.
Can Do. Will Do. Well Done - Guaranteed!

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    • Treat yourself to annual HVAC maintenance this Halloween

      This fall, the only haunted house you should be walking into should be Halloween attractions, not your home. Don’t let your home become a scary place when your furnace starts acting up! You don’t want to be uncomfortable in your home. Now is a perfect time to schedule an appointment with Magnolia to make sure everything is in good condition before the cooler weather strikes. Experts recommend to homeowners time and time again that they should have their systems checked out and tuned up by a professional once per year. It’s important for homeowners to remember to schedule an appointment with Read more »

  • Magnolia Plumbing Heating & Cooling - 18 Customer Reviews - Washington, DC, MD
    • Licensed Journeyman HVAC Technicians, Plumbers, and Gas Fitters
    • On-Going Manufacturer and In-House Training
    • Drug Tested and Background Checked
    • Service All Brand & Models
    • Ongoing training
    • Serving Our Community Since 1950
    • Maintenance Agreements
    • Licensed, Bonded & Insured
    • Up-Front Flat Rate Pricing
    • Permits pulled & 100% Code Compliant
    • Serving DC, MD & VA
    • 24-Hour Emergency Service
    • Convenient Scheduling with Saturday Hours
    • Fully Stocked Trucks
    • Three Locations For Faster Service
    • Financing Options Available