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VIRGINIA & MARYLAND HEATING, AIR CONDITIONING & PLUMBING
Virginia: 703-457-8676
Maryland: 301-250-1899
Donmar Heating, Cooling & Plumbing Donmar Heating, Cooling & Plumbing
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Make the Call for Comfort Your One-Stop Shop for Everything HVAC!

Heating, Air Conditioning, & HVAC in Bethesda, MD

The One-Stop-Shop for All Your HVAC Needs

In order to make sure that the heating and cooling systems in your home are working in top condition, you need the best HVAC services available in the Bethesda, MD area. At Donmar Heating, Cooling & Plumbing, we have been helping our customers throughout Northern Virginia and Maryland for more than 30 years, and offer a myriad of cooling and heating systems to ensure complete comfort for everyone in your building. With a complete range of products and related service to choose, think of us as your "one-stop-shop" for nearly any HVAC need!

Some of the services that we offer include:

  • Installation and repair of water boilers and heaters
  • Installation, maintenance, and replacement of air conditioning systems
  • Accurate calculation of the heating/cooling requirements
  • Installation and cleaning of humidifiers
  • Heat pump, air purifiers installation and repair

Customized Service for Maximum System Efficiency

We understand that each system is different and that is why we customize our services to meet individual heating and air conditioning requirements, according to the specific needs of each customer. Working closely with homeowners owners, we start with accurately calculating the building consumption and then installing the HVAC of that capacity. For optimized efficiency, our technicians will calibrate the system so that the cooling or heating is maximized, while lowering the power consumption.

Carrier Factory Authorized Dealer

Our Bethesda, MD HVAC company is a Carrier Factory Authorized Dealer, which proves that we have maintained consistent high quality, brand loyalty, and customer satisfaction, among other qualifications. We understand the nuances of all Carrier products and ensure that the servicing of heat pumps, boilers, and air conditioners meets the set standards of the manufacturer.

Additionally all of our technicians are accredited with the prestigious NATE certification, the highest in the industry. We have the skill, expertise, tools, and training to help your HVAC heating and cooling systems work seamlessly throughout the year.

We can help residents and owners of any of the following areas:

Call us today in Virginia at 703.457.8676 or in Maryland at 301.250.1899 to request your HVAC service.

Helpful Resources

Don't Just Take Our Word For It!

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

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

    - Kathy
    "Donmar Company defines customer service excellence to a higher level."

    Donmar Company defines customer service excellence to a higher level.

    - Scott H.
    "Great company — replaced my furnace very efficiently and effectively. "

    Great company — replaced my furnace very efficiently and effectively.

    - Chris C.
    "They are honest and straightforward with their recommendations and always give us various options. "

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

    - Samia K.
    "I am thankful for Paul’s service and HIGHLY RECOMMEND Donmar Company to anyone with an HVAC issue!"

    I am thankful for Paul’s service and HIGHLY RECOMMEND Donmar Company to anyone with an HVAC issue!

    - K.J.
    "Really appreciate your crew. They answered all my questions and concerns, and the work appears to be impeccable!"

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

    - Jeffrey N.
    "This company is very attentive to the customer and respond to their concerns quickly."

    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!"

    We've been pleased with the units, but its your employees that have made the real impression - they've been uniformly fantastic!

    - Kathleen

Creating Happy Customers Since 1990

Why We Are the #1 Trusted HVAC Company in Northern Virginia
  • We Are On Time, Every Time
  • Over 30 Years of Experience
  • Affordable Service Management Agreements
  • Quality Service with Honest Values
  • Flexible Financing Options with Approved Credit
  • Offering Free Estimates On HVAC Replacements
  • NATE Certified Technicians
  • Emergency Services 7 Days a Week