H.D. Johnson is a family owned and operated company. We have been serving the Potomac, MD area for over 78 years! We have been able to continue to do so by providing customers with unmatched HVAC service and customer care. H.D. Johnson has grown to be one of the most respected & trustworthy heating and cooling companies in Potomac. Our team specializes in servicing, installing and repairing residential and commercial HVAC systems. All of our technicians are trained and certified to assist you with any heating or cooling issue you are experiencing. With over 78 years of service, you can have peace of mind knowing you chose the best HVAC company to solve your issue.

Furnace Installation in Potomac | AC Installation

Furnace Installation & AC Service in Potomac MD

When you are in need of HVAC installation in Potomac, it is likely due to the failure of your old unit. Every minute that passes without heat or air conditioning can seem like an eternity. Your new HVAC system will need to fit your budget, provide efficient air & be installed quickly. Luckily for the businesses & residents of Potomac, H.D. Johnson can provide quick & efficient HVAC installation. And for when your current unit needs to be repair or service, our technicians are trained and certified to repair & service all makes and models of HVAC systems. To learn more about all of the HVAC services we offer Potomac, give us a call at (202) 470-6620!