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Virginia Office


Maryland Office

Silver Spring, MD HVAC Company

Dependable & Trustworthy Heating & Cooling Service

Whether you are cooling your Silver Spring, MD home in summer or heating it in winter, our team at Donmar Company understands the importance of an efficiently-operating HVAC system. We also realize that each household has unique requirements regarding the proper installation, maintenance, and repair of any heating or cooling system.

For more than 25 years, our technicians have been effectively meeting these unique needs of a diverse customer base in the area. Over time, we have garnered a stellar reputation as a dependable and reputable contractor that is ready to effectively assist with nearly any HVAC need you may have.

  • We offer the most comprehensive line of services in the industry including:
  • Air cleaners and purifiers installation and repair
  • Heat pump, boiler and furnace installation
  • Installation and repair of air conditioners
  • Preventive maintenance services
  • Repair and replacement of water heaters

Setting Ourselves Apart from the Competition

With so many HVAC companies in the Northern Virginia and Maryland area to choose from, how do you know which one is the right fit? Over the years, we have made it a priority to set ourselves far apart from the condition, and have achieved this goal in a number of ways. Our company is among just a few services that has earned the distinction of being an Authorized Carrier Factory Dealer.

In addition to this, our entire team of Silver Spring, MD HVAC system technicians is comprised of NATE-certified, insured, and licensed professionals, all of whom have years of experience in the industry.You can rest assured that any air conditioning or heating system issue will be addressed properly, and to your complete satisfaction.

Reap the Benefits of an Effective & Efficient System!

When you choose us to service, repair, or install HVAC equipment, you will quickly reap many benefits, including saving money on utility bills, enjoying a longer lasting system, breathing healthier indoor air, reducing your carbon footprint, and more. Let us start work on creating a comfortable environment in your home or office.

Call us at (703) 457-8676 (Virginia) or 301-250-1899 (Maryland) today!