Virginia & Maryland Heating, Air Conditioning & Plumbing
In Need of AC Repair? AC Units are Complex - Let Our Technicians Help!

Sterling Air Conditioner Repairs

Is Your AC System Telling You It’s Time for a Repair?

How do you know if I need Donmar Heating, Cooling & Plumbing's air conditioning repair in Sterling,VA? If it seems like your home just won’t cool off anymore, your air conditioner is using an abnormal amount of electricity, or a number of other symptoms, you may have an issue with your system that needs to be fixed.

Whether you need a minor repair, a maintenance service, or a full system replacement, trust the air conditioner services of the highly-trained technicians at Donmar Heating & Cooling. Our professional Sterling, VA Air Conditioning Repair technicians are highly trained in the latest air conditioning technology and can provide you with top-quality in-home services. To schedule an appointment call the Sterling, VA heating and Air conditioning today, we proudly serve all of Northern Virginia and Maryland.

Why Is My Air Conditioner Acting Strange?

Air conditioner systems are complex and a number of different system components can fail on homeowners, leading to a wide variety of symptoms to indicate you need a repair. Our Sterling, VA AC repair technicians can assist you in figuring out the problem and restoring your home’s climate control back to working order. If your AC unit is still giving you problems or acting strange, you may need to replace it. Give us a call and we can provide excellent information on your Sterling, VA AC repair and what to do next.

Call Our Sterling, VA Air Conditioning Repair team today if your air conditioner is showing any of the following symptoms of an issue:

  • Little or no cool air production
  • Poor air flow
  • Broken or non-responsive thermostat
  • Rust, condensation, or moisture on your unit
  • Abnormal sounds
  • Bad smells or odors

These symptoms can point to problems in your system ranging from a worn out thermostat or a need for a recharge to a full-blown system failure. Trust the Sterling, VA air conditioning repair & installation professionals at Donmar Company Heating & Cooling to diagnose your problem right the first time and provide you with a quick and reliable service to get your system in top shape again. In addition, we also provide expert indoor air quality services that can benefit you and your home!

If you would like to schedule an appointment for your home’s air conditioning system, contact our Sterling, VA AC repair team at Donmar Company Heating & Cooling today.

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!”

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

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

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

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

  • “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.
  • “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!”


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