Virginia & Maryland Heating, Air Conditioning & Plumbing
Make the Call for Comfort Your One-Stop Shop for Everything HVAC - In Leesburg, VA!

HVAC Repair & Installation in Leesburg, VA

Trust Our Virginia & Maryland HVAC Experts

At Donmar Heating & Cooling, we fully believe that the level of HVAC service you get for your Leesburg, VA home depends greatly on the quality of the technicians that assist you. Because of this firmly-held belief, we pride ourselves on having only the best NATE-certified technicians on our staff team. Not only do they have extensive training and experience, but a keen eye for detail and a drive to quickly and effectively solve problems.

As soon as our Virginia and Maryland HVAC experts find something that needs immediate repair or replacement, they address it right awat instead of waiting for it to snowball into something large and costly.

There is a wide range of HVAC services that our company offers residents in Leesburg, VA:

  • Repair and new installation of heaters, water boilers and heat pumps
  • Maintenance, installation and replacements of air conditioners and heaters
  • Calculating the load for cooling and heating needs
  • Cleaning of coils, ducts and blower fan
  • Installation of humidifiers and air purifiers
  • Installation and repair of HVAC

Specializing in Carrier Brand Equipment

Our Leesburg, VA HVAC company is an authorized and licensed Carrier Factory dealer, which means we have superior skills in installation and repair regarding this specific brand of equipment. Our experienced NATE-certified technicians have been trained at the Carrier factory for additional knowledge and precision that they then apply in other spheres of maintenance and servicing.

Invest in Your Own Comfort & Security with Preventive Maintenance!

When you sign up for preventive maintenance with us, you are investing in your own comfort and security. Our licensed, insured, and bonded technicians will make monthly or quarterly visits to check on your system as scheduled, change air filters, clean the coils and do regular maintenance apart from checking for damages or minor repairs.

For more information on our preventive maintenance services, call us now at (703) 457-8676 (Virginia) or 301-250-1899 (Maryland)!

Don't Just Take Our Word for It!

See What Our Customers Have to Say About Our Service
  • “We've been pleased with the units, but its your employees that have made the real impression - they've been uniformly fantastic!”

  • “Really appreciate your crew. They answered all my questions and concerns, and the work appears to be impeccable!”

    Jeffrey N.
  • “Great company — replaced my furnace very efficiently and effectively. ”

    Chris C.
  • “I am thankful for Paul’s service and HIGHLY RECOMMEND Donmar Company to anyone with an HVAC issue!”

  • “It is so hard to find a trustworthy AC repair company and I think i have finally found it.”

  • “They are honest and straightforward with their recommendations and always give us various options. ”

    Samia K.
  • “This company is very attentive to the customer and respond to their concerns quickly.”

    Natalie M.
  • “Donmar Company defines customer service excellence to a higher level.”

    Scott H.
  • “Your customer service is outstanding and everyone that I spoke to or met in person speaks to the nature of your company.”


Creating Happy Customers Since 1990

Why We Are the #1 Trusted HVAC Company in Northern Virginia
  • Emergency HVAC Services 7 Days a Week

  • NATE Certified Technicians

  • Offering Free Estimates On Replacements

  • Flexible Financing Options

  • Quality Service With Honest Values

  • Affordable Service Management Agreements

  • Over 25 Years of HVAC Experience

  • We Are On Time, Every Time