Virginia & Maryland Heating, Air Conditioning & Plumbing
Facing an HVAC Emergency? Don't Hesitate to Contact Us to Find Out Your Options!

Emergency HVAC Services in Sterling

We Take Care of Your Emergency Fast

Have an HVAC emergency in your home in Northern Virginia or Maryland? Our Sterling, VA emergency HVAC technicians will arrive at your home in vans loaded with all the parts and equipment needed to finish the job right the first time. Our technicians can take a look at your HVAC emergency and assess the situation, and outline all possible repair or replacement options.

Why do customers continue to choose Donmar Heating and Cooling?

At Donmar Heating and Cooling, we are proud of our reputation for providing customers with the most affordable price, the most effective solutions, and the most satisfactory results. As NATE Certified technicians, we are qualified to service all types of makes and models, including heaters, boilers, furnaces, and air conditioners. Because we value honesty and transparency, we can fairly present the advantages and disadvantages of each course of action. Our priority is to help you make the most effective and cost-conscious decision that can have long-term results. Simply put, our priority is our customers, not our own bottom line.

High-Quality & Dependable Service When You Need it

We have a wide range of great offers, including special financing options on approved credit, special prices and coupons, flat rate prices, and affordable Service Maintenance Agreements. Our NATE Certified technicians stand behind every project and the quality of work we perform. Because we are upfront about all prices, you will know what you are paying for, and most importantly, what to expect at every stage of your repair, replacement, or other service.

We proudly serve homeowners throughout Northern Virginia and Maryland, including Montgomery County, Prince George’s County, Prince William’s County, and Loudoun County. View our service areas to learn if we service a community or neighborhood near you!

Call Donmar Heating and Cooling at (703) 457-8676 today! Our team can respond to any type of HVAC emergency quickly, address the issue appropriately, and suggest a cost-effective remedy.

Don't Just Take Our Word for It!

See What Our Customers Have to Say About Our Service
  • “This company is very attentive to the customer and respond to their concerns quickly.”

    Natalie M.
  • “We've been pleased with the units, but its your employees that have made the real impression - they've been uniformly fantastic!”

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

    Samia K.
  • “Great company — replaced my furnace very efficiently and effectively. ”

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

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

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

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

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

    Jeffrey N.

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 with Approved Credit

  • Quality Service With Honest Values

  • Affordable Service Management Agreements

  • Over 30 Years of HVAC Experience

  • We Are On Time, Every Time