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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    • Attention Washington, D.C. Area Air Conditioner Owners: R-22 and You

      There is a danger lurking in air conditioning units not only in the DC area, but across the country. Fortunately, measures are in place to phase out this danger. HCFC-22, also known as R-22, is a refrigerant that contains ozone-destroying chlorine. Unfortunately, R-22 has been a common refrigerant for Maryland heating and cooling systems (and systems throughout the U.S.) for several decades, and the release of this substance contributes to ozone depletion. In 1992 a schedule for the phase-out of HCFCs like R-22 was established. As the EPA states, HCFC-22 is also a greenhouse gas, and manufacturing the substance produces a by-product 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