Livingston (936) 657-1949 Lufkin (936) 465-9191 Nacogdoches (936) 585-4079
No Overtime Charges
7 Days A Week / 7AM to 7PM

No overtime charges. 7 days a week, 7am to 7pm
Air Conditioning

Air Conditioning

Our factory-trained technicians can repair and install all types of cooling and heating systems.

VIP Maintenance

Our VIP Maintenance Club helps to ensure your system is running efficiently while reducing your utility bills.


Our competitive pricing has helped many families stay cool and comfortable while saving on their monthly utility bills.

Commercial Services

Since 1974, McWilliams & Son Heating and Air Conditioning has provided professional HVAC and refrigeration services to our commercial clients.


Customer satisfaction is not just a desirable quality, it’s a necessity. Read what some of our valued customers are saying.

Heating and Air Conditioning Repair and Installation Services in Lufkin, Nacogdoches & Livingston, TX

At McWilliams & Son Heating and Air Conditioning we're proud of our years of service to the Livingston, Lufkin and Nacogdoches areas and look forward to helping you with your heating and air conditioning repair and replacement needs. We're pleased to serve both residential and commercial customers; our team is prepared to help you with the sales, service, and installation of the comfort system that is ideal for your home or business. Whether it's a new installation or routine service, our factory-trained technicians provide the expertise your comfort depends on. At McWilliams & Son Heating and Air Conditioning, we repair all makes and models, and we offer financing on repairs. When it comes to your family you want dependable air conditioning and heating systems that provide you with value as well as comfort. Thanks to McWilliams & Son Heating and Air Conditioning you can expect value and comfort.

  • Residential & Commercial
  • Locally Owned & Operated
  • NATE-Certified Technicians
  • FREE In-Home Estimates
  • Air Conditioning Service

2016 Best of Lufkin2017 best of lufkinBest-of-Lufkin-20182019 best of lufkin
best of Livingston logo2018 BBB TORCH AWARDS FOR MARKETPLACE ETHICSBest of Nac

No Overtime Charges!
7 Days a Week,
7am to 7pm
Call Now:
(936) 465-9191

Recent Acquisitions

Ray’s Air Conditioning

After 35 years of providing high-quality, personal service to thousands of loyal customers, the Ray’s Air Conditioning family is merging with the McWilliams & Son Heating and Air Conditioning family. Both companies share the same philosophy and values:

  • Family First
  • Hire the Best Team Members
  • Honesty & Integrity
  • The Highest Quality Service – Delivered in the Most Professional and Personal Way
To read a personal message from Ray’s Air Conditioning and Heating owners Flo and Ray, please click here.


AR Services of Lufkin

McWilliams and Son Heating and Air Conditioning is proud to announce the successful completion of the acquisition of AR Services of Lufkin Click here to read about our press release.

Armada collaboration with McWilliams logo
Armada ac unit

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McWilliams & Son
Heating and Air Conditioning

918 E Denman Ave
Lufkin, TX 75901
Phone: (936) 465-9191
License #TACLA2150C

1150 US 59 Loop N
Livingston, TX 77351
Phone: (936) 247-3440
License #TACLA90183C

2915 NW  Stallings Dr
Nacogdoches, Texas 75965
Phone: (936) 715-3142
License #TACLA36670E

7-7-7 Service (7 days a week, 7am to 7pm)

Schedule an

(936) 755-4619
Call a Specialist