About Pax-Sun Heating & Air Conditioning

Pax-Sun Heating and Air Conditioning is a residential and commercial HVAC contractor serving East Texas. We are a medium-size firm that averages 12-15, full Time employees. We are an Authorized Trane Dealer since 2015. We service all major makes and models and specialize in custom designs. Customer Service is our #1 priority and strives for excellence no matter what the job is. The office and shop facilities of Pax-Sun, Inc. are located at 1607 East Denman, Lufkin, Texas with approximately 400 square feet of office space and approximately 6,000 square feet of shop. In addition to these facilities in Lufkin, Pax-Sun has operated a branch office at 2212 North Stallings in Nacogdoches, Texas since 1986. Pax-Sun, Inc. was formed in February 1978 by Thomas L. Paxson. On January 1, 2015, Pax-Sun Inc. was purchased by James Blackwood, a long-time employee. Over the years our services have changed with the times to help serve the wants and needs of our Community, but Customer Service has remained our #1 Priority.

James Blackwood

Along with being the owner James Blackwood manages the day to day operations for the Lufkin area. With over 20 (15 Years with Pax-Sun) years of experience and degree in Mechanical engineering detersives us to provide solutions that a lot of other HVAC contractors can’t offer. James expertise is in the service and automation aspects of the business.

Bob Ecker

Bob Ecker Is a 38-year employee and Managers the day-day operations In Nacogdoches and surrounding areas. Bob Has been to numerous schools and training over the years and there are very few things that he hasn’t encountered in his time with the company. His primary expertise is in Ductwork design and installation and is a valuable asset for the experience he has.

Robert Fenner

Robert Fenner is a 35-year Employee of the company and is our Service Manager. He’s our go to guy on issues that involve outside the box thinking. Along with service he is a valuable asset in training and Preparing our new employees. The knowledge he contains is invaluable and has earned the respect of our fellow HVAC contractors thought the industry.

Yolanda Dunn

Yolanda Dunn is our office manager and the real person that runs the company. She the voice behind Pax-Sun and. Besides answering the phones she is our office manager and keeps the company going. She is a 12 year employee and one of our most valuable assets.


This is Sweetie, we haven’t really figured out what she does, But she has been greeting customers for 12 years. Stop by and say high, she loves treats!

Two locations to better serve you!