Expert Heating Repair in Keller Since 1987

When a heating problem leaves you in the cold, call the heating repair experts at Walker – Any Time Day or Night!

When you call Walker for your heating repair needs, you can expect reliable, professional service backed by a 1-Year Parts and Labor Warranty.

Walker offers emergency heating and air conditioning repair services. With a fleet of over 40 service vehicles to serve Keller and the surrounding communities, we’re only a telephone call away. Our late model service trucks and vans are conveniently stocked with a large inventory of parts, so that, in many instances, we are able to have your system functioning properly with a single service call.

Walkers’ service technicians, factory trained and NATE certified, are qualified to work on all major brands.

Our heating repair technicians are clean and well mannered and entirely professional in every way. Each is fully licensed and insured, and because we’d like you to feel completely secure when you let us into your home, we conduct extensive background checks on every heating and AC technician we employ.


We’re a family owned and operated business and we’ve been providing Keller heating and air conditioning service for more than 25 years.

By consistently delivering excellent heating and air conditioning services to our customers in Keller and the surrounding communities, Walker has grown into one of the largest A/C and heating repair companies in the DFW area.

We’re very proud that our satisfied customers recommend us to family and friends. Because of our dedication to customer service, we have earned an A+ accreditation from the Better Business Bureau.

We service all major brands of air conditioning systems and heat pumps:

  • Amana
  • American Standard
  • Aprilaire
  • Carrier
  • Goodman
  • Honeywell
  • Lennox
  • Rudd
  • Trane
  • & Most other leading brands


Unlike some heating repair companies in Keller, our heating and air conditioning techs don’t work on commission, so they’ll never try to up-sell you on services or products you don’t require.

Your family’s complete comfort is our goal and we’ll never compromise on quality or health and safety. Although we strive to have your air conditioning and heating system back in service as quickly as possible, we’ll never cut corners just to get the job done quickly.

When you call Walker, you can be sure your heating repair is going to be done properly the first time.

Is it time to change out your old system? Or perhaps you’re contemplating upgrading to a brand-new high efficiency air conditioning and heating unit or heat pump to help you reduce your monthly utility bills. We have a sizable assortment of air conditioning and heating units to select from – a great many available for same-day delivery and installation. We also provide financing options with approved credit and FREE estimates on brand-new equipment.

We strive to develop and maintain long term relationships with our customers. Check our reviews to see what some of our pleased clients have to say regarding our dedication to customer service.


Why wait? If your HVAC system needs attention, turn to the highly trained and fully qualified Keller, TX heating and air pros at Walker Air Conditioning & Heating. Equipped with the highest quality tools and most advanced technology, we are prepared to handle any repair, replacement, installation, or maintenance service you may need.

And, if you are experiencing an HVAC emergency, don’t worry. We are on call and prepared to deliver fast and effective service 7 days a week.

HVAC License Number: TACLA00069123C|Electrical License Number: TECL36792|Plumbing License Number: M41793© 2022 All Rights Reserved.