Working Hours
  • Mon 8:00AM - 6:00PM
    Tue 8:00AM - 6:00PM
  • Wed 8:00AM - 6:00PM
    Thu 8:00AM - 6:00PM
  • Fri 8:00AM - 6:00PM
    Sat 8:00AM - 4:00PM
  • Sun Closed

COMPANY HISTORY

Allenaire Service Co is a full-service heating and air conditioning company specializing in Residential and Commercial sales, service and installation of HVAC units in Lancaster, TX, Southern Dallas County, Northern Ellis County. Click here to view the list of HVAC services we offer.

Our HVAC business has operated in Lancaster since 1985, focusing on reducing our customer's heating and air costs by increasing their equipment's efficiency.Heating and cooling systems require more energy than any other home appliance, which is why it is important to use a HVAC contractor you can trust and engage in preventative maintenance. Learn about choosing a contractor on our Customer Service page.

Remember that HVAC preventative maintenance will protect you from unexpected and costly failures while the right system can greatly reduce your energy bills. Whether it is for routine HVAC maintenance or an emergency repair, you can count on Allenaire Service Co in Lancaster. Schedule an appointment with us at your convenience.

    Why Choose Us?
  • HVAC technicians
  • Licensed & insured
    • TX HVAC TACLA003431C
  • Trained and certified
  • Use only high quality parts
  • Guaranteed work
  • Manufacturer warranties
  • Latest troubleshooting and repair technology
  • Clear pricing
  • Quick response time
  • Accurate diagnosis
  • Accommodating appointment times
Energy Star Tax Credits

What Our Customers Are Saying

These guys are great. They show up on time and stay until the problem is fixed. Very reasonable pricing


-A. G. U.

Zac came to Midlothian to fix our 28 year old A/C, which hadn't run in 2-4 years. Only had to replace one part, done in under an hour. Was very courteous and helpful. Would use them again in a heartbeat!


-Ade R.

We've been using Allenaire Service Co. since 1991, and have found their service consistently excellent and their pricing very reasonable.


-Darrel E.

OMG I can not begin to tell you how wonderful these people are. We have been using them for seven years now. Gary, Steve and Kim are absolutely the best. Very personable and understanding people. They are punctual , and do amazing work. As someone said, they don't leave until it is done. Their pricing is affordable. I highly recommend using them.


-Debbie D.
  • Better Business Bureau


  • LennoxRheemAmerican Standard

    Call Us For Service: 972-227-8506