Sterling Air Conditioning Services
Providing Quality AC Repair, Installation, Maintenance, and More!
Donmar Heating, Cooling & Plumbing is committed to providing our customers with the highest quality heating, cooling, and plumbing services possible. We understand that plumbing and HVAC systems are vital to your comfort and quality of life, and we are here to help you keep them running smoothly.
Our air conditioning technicians are highly trained, certified, and experienced. We offer a full range of AC services, from installation and replacement to maintenance and repairs. With more than 30 years of experience, we can handle all your air conditioning needs, large or small.
For quality AC services in Sterling, VA, call our team at (703) 457-8676 today.
When to Call for Air Conditioning Repair
When your air conditioner stops working, you obviously need professional repair service. However, air conditioning problems are not always that obvious.
In some cases, the system continues to operate, but it does not work as well as it should. The problem may be minor, such as a dirty filter, or more serious, such as a refrigerant leak. The only way to know for sure is to let our professionals inspect your system.
Call our team if you notice any of the following:
- Weak airflow
- Strange odors
- Unusual noises
- Uneven cooling
- High humidity levels
- Increased energy costs
- Warm air that should be cold coming from the vents
- Short cycling, where the AC turns on and off rapidly without cooling the space
Emergency AC Services
We offer 24/7 emergency AC repair. Our team has the latest diagnostic tools and technology to quickly identify the problem and provide an effective solution. We offer upfront pricing and free estimates, and we always stand behind the quality of our work.
Reliable AC Installations
Whether you are replacing an AC system or installing a new one, you must choose the right system for your needs. The size and type of system must fit your needs. Otherwise, you won’t get proper cooling, or you’ll be paying too much to run an overpowered system.
Our team is here to help you choose an air conditioner that is:
- Reliable
- Affordable
- Energy-efficient
- Appropriately sized for your home
- Compatible with your existing ductwork
Proper installation is also important for a highly functional AC system. Our team can install your system correctly, keeping it running optimally for years.
AC Maintenance
Regular maintenance is the best way to keep your air conditioner running smoothly. This service minimizes the need for repairs, and it extends the life of the system. Our team offers comprehensive AC maintenance services. We recommend that you have the system professionally tuned up at least once per year. Generally, the best time is in the spring or early summer, before the cooling season begins.
Contact us online today to schedule top-notch AC services in Sterling and the surrounding areas.
Helpful Resources
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Don't Just Take Our Word For It!
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"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
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We Are On Time, Every Time
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Over 30 Years of Experience
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Affordable Service Management Agreements
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Quality Service with Honest Values
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Flexible Financing Options with Approved Credit
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Offering Free Estimates On HVAC Replacements
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NATE Certified Technicians
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Emergency Services 7 Days a Week