H.D. Johnson has been providing superior heating and cooling service to the Washington, DC area since 1938. Our main goal is to keep our customers comfortable at an affordable price. Our services range from heat pump installation to air conditioning repair. Call (202) 470-6620 now for HVAC service.

AC Repair & Service in Washington, DC

For many homeowners, a breakdown of your air conditioning systems comes as a big surprise and often at the most inconvenient time. We know that problems can arise outside of normal business hours, luckily, H.D. Johnson offers 24/7 emergency air conditioning services. Our prompt HVAC service will prevent you from having uncomfortable living conditions on a night, weekend or holiday. We can provide our expert advice on whether your air conditioning unit is worth repairing or replacing it all together.

HVAC Service in Washington, DC | AC Installation

Washington, DC Heating Installation & Service

Thinking about replacing your heating system? Is your current unit in constant need of repair? Is it more than 10 years old? Does your utility bill seem higher than normal? Are there are leaks or loud noises coming from your unit? If you answered yes to any of these questions, your heating system may need to be replaced. H.D. Johnson is a Carrier Faculty Authorized Dealer, providing superior service, products & technology to the businesses and residents of Washington, DC. Our staff will help advise on the best HVAC system for your home. Getting the wrong size HVAC system will make your appliance work harder, which can lead to costly repairs & a higher utility bill. For an expert opinion on furnace installation, call H.D. Johnson at (202) 470-6620!