Trust us to replace your outdated HVAC system.

New Construction

New Construction

We install a wide variety of HVAC units.

Duct Design

Duct Design

Hire us to design efficient ductwork for your home.

Custom Homes

Custom Homes

The fight over the thermostat ends here.

Enjoy Year-Round Comfort

Hire a reputable HVAC contractor in Sumerduck & Warrenton, VA

Mullins Heating & Air Conditioning, LLC specializes in a wide range of heating and air conditioning services in the Sumerduck & Warrenton, VA area. Whether you need a multi-zone HVAC system installed in your new home or an outdated, inefficient mini-split AC system replaced, our HVAC contractor can make it happen. We install ductwork and a wide variety of top-of-the-line HVAC systems to help keep customers comfortable at all times.

Call 703-362-3883 now to get your free estimate on your heating and cooling replacement services. We can handle all of your HVAC needs.

Why choose Mullins Heating & Air Conditioning?

Mullins Heating & Air Conditioning offers new construction HVAC services in Sumerduck, Warrenton, VA and the surrounding 25-mile radius. You should make us your go-to HVAC company because:

  • We have over 22 years of HVAC installation experience
  • We offer HVAC retrofitting and maintenance services
  • We connect multi-zone HVAC systems to smart home hubs
  • We provide 10% discounts to military members
  • We design and install ductwork


Contact us today to speak with an experienced HVAC contractor about your heating and air conditioning services.


We reached out late at night with an AC issue and they had a service tech out the next day to evaluate the problem. He explained why the system was doing what it was doing and was able to get the AC back up and running in no time. Very friendly and honest company.

Dale Furr