Really Powerful A/C Free Estimates on System Replacements!

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High-Quality HVAC Repair and Installation in Carrollton, TX

Lex Air Conditioning And Heating Serves Plano, Frisco & All Surrounding Areas

Look no further than Lex Air Conditioning and Heating for your heating and air conditioning needs in:

From emergency repairs to new installations, our team of certified technicians has you covered.

We Work on All HVAC Models

We deliver excellent service on all makes and models of equipment and sell top-rated systems backed by an industry-leading guarantee. In the local area, no one is more dedicated to your comfort and satisfaction than the pros at Lex Air Conditioning and Heating.

We Put Our Customers First

When your air conditioner or heater isn’t working as it should, whom do you call? You want a company that specializes in AC repair and heater repairs, but you also want a company that will listen to your needs, provide service quickly, and not take a chunk out of your wallet.

Lex Air Conditioning and Heating is different than most Carrollton HVAC repair companies. We put the needs of our customers first, and it shows in the number of customer referrals & testimonials we receive.

Spring Maintenance 2020

Areas of Expertise

Our trucks are all fully stocked for fast service, and our technicians are always professional and courteous. We promise to clearly communicate with you about any problem your HVAC system may be having and the estimated cost to fix it, and even offer a total satisfaction guarantee on parts and labor.

  • Three Best Rated: Top 3 HVAC Services, Carrollton, TX
  • 4.8 Rating, 200+ Reviews
  • Best of Carrollton 2020
  • Featured in Big D Magazine & Directory
  • Trane Comfort Specialist
  • North Dallas Chamber of Commerce
  • Expertise - Best HVAC Professionals in Dallas
  • BBB A+ Rated
  • Energy Star
October Reviews

We received 38 5-star reviews in October

Three Generations of Customer Satisfaction

Over 300+ Reviews at a 4.8 Rating! 
  • Really a true craftsman

    “LEX HVAC has never let me down. I highly recommend them.”

    - Lloyd B
  • It’s good that there are some honest business out there!!

    “It’s good that there are some honest business out there!!”

    - TJ Person
  • We appreciate Luis and the whole Lex Air Conditioning team.

    “A capacitor for the attic blower and two capacitors in our outside unit needed to be replaced. Again, Lex Air was able to get to us quickly and rescue us. This morning, our drain pan and regulator were replaced by the same technician, Luis.”

    - Cindy H.
  • If your AC is giving you a hard time call LEX you will not regret it! Thank you very much guys!!!

    “These guys know what they are doing. Excellent service. A+++++ overall experience. Very pleased with the price, speed and service.”

    - Carlos C.
  • The entire process was painless and the installation went great. Excellent experience!

    “Kenny knew I was on a budget and didn’t try to sell me the top of the line system although I ended up getting it based on my bosses advice. He was honest and up-front with me.”

    - Barbara J.
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Carrollton HVAC Repair Service

Call for Exceptional Customer Service & HVAC Repairs in Carrollton, Frisco & Plano

Protect your equipment by calling Lex Air Conditioning and Heating and scheduling an annual service check from a trained professional. Routine preventive maintenance has been shown to contribute to a longer operating life and to support energy-efficient performance. By joining our Cool Club, you’ll receive a budget-friendly way to keep up with scheduled HVAC maintenance and as well as needed repairs.

100% Customer Satisfaction Guarantee

Lex Air Conditioning and Heating wants to earn your business for life and guarantee 100% customer satisfaction. Our core values include honesty and integrity; we take pride in the quality of our work and strive to provide an exceptional customer experience.

Contact us today to set up an appointment for air conditioning repair, heating installation, or an indoor air quality consultation. Our service areas include Carrollton, Lewisville, Highland Village, Frisco, Allen, Dallas, and Plano, TX.

  • 10% Off Repair for University Students & Staff

    Valid ID required. Cannot combine with other offers. Contact Lex Air Conditioning and Heating for complete details.

    Valid from Apr 16, 2020 - Apr 16, 2021
  • 10% Off Repair for Seniors 55 and Older

    Valid ID required. Cannot combine with other offers. Contact Lex Air Conditioning and Heating for complete details.

    Valid from Apr 16, 2020 - Apr 16, 2021
  • 10% Off Repair for Active Military and Veterans

    Valid ID required. Cannot combine with other offers. Contact Lex Air Conditioning and Heating for complete details.

    Valid from Apr 16, 2020 - Apr 16, 2021
  • $69 Heating Tune-Up Cannot be combined with any other offers.
    Valid from Nov 24, 2020 - Dec 31, 2020
  • 15% Off Any Repair Restrictions may apply. Cannot be combined with any other offer. One per household.
    Valid from Sep 1, 2020 - Dec 31, 2020
  • $1,149 REME HALO LED Whole Home Air Purifier and Installation Restrictions may apply. Cannot be combined with any other offer. One per household.
    Valid from Sep 1, 2020 - Dec 8, 2020
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Why Choose Lex Air?

  • Well-Stocked Service Trucks for Faster Service
  • Able to Schedule Same-Day Services
  • A Live Person Answers Your Call 24/7
  • Offering Free Second Opinions with Proof of Service
  • Third Generation Technicians, Family Owned
  • Offering Special Financing Through Wells Fargo

    with approved credit

Contact Our Team Today

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