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Your HVAC Experts at DMS Air in McKinney, TX

The weather in McKinney, Texas can often feel uncomfortable. We at DMS Air know you want to be comfortable in your home or business, and we make it our business to know how to provide you with the best service in that area.

Since 2007, DMS Air has offered expert service with HVAC systems. Our family-owned business takes pride in serving the McKinney, Texas area. When we give you a quote, we will not overcharge you. Our heating and air specialists are trained in providing you with the best diagnosis for your HVAC system.

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Your Trusted Air Conditioning Specialists for McKinney Residents

Professional AC Repair

At DMS Air, our technicians are waiting to service your home. We only employ the most qualified, certified heating and air specialists. Here are a few signs that your HVAC system may be in need of repair:

  • Grinding or squeaking noises
  • No cool air coming from vents
  • Limited airflow
  • Unusual odor
  • Moisture build-up
  • High utility bills

If any of these symptoms occur, please call right away. By putting off a repair, you are risking a small cost becoming an expensive one.

Affordable AC Service

To ensure a long life for your McKinney, Texas HVAC system, proper maintenance must be observed. By scheduling regular maintenance visits with DMS Air, you can be sure your HVAC system is in good hands. Our specialists will:

  • Check and replace your filter
  • Observe your thermostat settings
  • Clean the outside unit
  • Check the ductwork
  • Inspect fans and moving parts

It is important to let a licensed professional perform these steps, as our technicians are trained in recognizing the small signs that may indicate a deeper issue.

Top AC Replacement

At times, an HVAC system will not be able to be repaired. If this is the case, our heating and air specialists will give you a quote on a new system. We keep our quotes honest and fair. At DMS Air, we aim to serve the McKinney, Texas area with quality.

Our technicians will schedule your installation for the quickest appointment possible. We also have a 24-hour line for emergencies. You will be walked through the installation process before we begin. Let our experts choose the right system to install in your house!

Trusted Heating Specialists

Reliable Heating and Furnace Repair

If our heating specialists find a part that needs repaired, we will give you an upfront estimate. DMS Air believes in a strong, honest work ethic. Let us assist you with your repair before the problem worsens!

Professional Heating and Furnace Maintenance

Trust our technicians for proper maintenance of your HVAC system. Yearly maintenance helps cut down on repair costs. During your maintenance, DMS Air technicians will:

  • Vacuum out dust
  • Inspect belts
  • Lubricate parts
  • Check fuses and wiring

Help get your furnace in shape for the winter season!

Affordable Heater and Furnace Replacement

When in the dead of winter, no one wants a dead furnace. Let DMS Air help keep your McKinney, Texas furnace running properly. The following signs can be observed when it is time to replace your HVAC system:

  • Frequent repairs over the last two years
  • Increase in energy costs
  • A furnace older than 15 years
  • Burner flame is yellow instead of blue
  • Strange noises

Let our expert technicians help you decide on the best furnace choice for your home!

DMS Air is Standing by to Assist with Your McKinney, Texas HVAC System

Get on our maintenance schedule today and notice the difference in your home.

Do not wait until your HVAC is not functioning properly! By performing regular maintenance, you can avoid unexpected and expensive issues. Be prepared for any season by contacting DMS Air today to have one of our quality technicians inspect your HVAC system.

Business Hours: 8a-8p Every Day

Emergency Services Available!

Recent Reviews

Crystal, who is a homeowner near Frisco had these kind words to say: “We couldn’t be happier with the service we received from DMS Air! Our ac stopped working on a Saturday night. We reached out to DMS Air and received a rapid reply from Paul with an appointment set for the next morning – a Sunday!”.


David, a long time resident left this review for us after we replaced his whole house AC system: “DMS was a referral by my trusted roofing contractor. Paul Denman and Team are genuine, respectful and fair.”


Useful City links of McKinney, TX

We are listed in McKinney Chamber of Commerce that provide a lot of assistance and support for aspiring and established business owners.

Historic downtown McKinney has always been a fun location offering lots of small boutiques, antique shops and restaurants.

Adriatica Village is a charming atmosphere, with a serene residential settings perfect for small business, retail and multiple recreational areas all comes together.