Denton’s A/C & Heating Experts Since 1969

Work Environmental Systems, Inc. has been an authorized GE/Trane dealer since our establishment. The company was founded by a General Electric engineer named Peter Work, who helped to develop the GE/Trane product line.

In addition to meeting Trane’s stringent standards that qualify us for to be a Trane Comfort Specialist since 1998 (Charter Member), we have received several awards including the following…

2014, 2015 and 2016 Best of Denton – Best Heating and Air Conditioning Company
Voted by the readers of

Angie’s List Super Service Awards
2011, 2012, 2013, 2016

Accredited by ACCA’s Quality Assured program
Home builders: We are accredited by QA New Homes which makes us eligible to install systems in newly-constructed homes that are intended to receive the ENERGY STAR label.
Hiring a contractor to install a replacement HVAC system in your existing home?: As a QA contractor we are committed to following all of the highest installation standards for maximum energy and operating efficiency.

What is QA accreditation?  It’s true: some contractors are better than others. Builders and homeowners need to be sure that the indoor environment contractors they hire are doing the right thing, the right way.


License # TACLA00002121C

Regulated by The Texas Department of Licensing and Regulation, P.O. Box 12157, Austin, Texas 78711, 1-800-803-9202, 512-463-6599,

Who is Work Environmental?

Our Company Mission
To provide superior installation, maintenance and service, catering to our customers’ specific needs culminating in a worry free experience with our company.
The Work Environmental Philosophy
A home is a place of comfort, and you shouldn’t have to worry about constantly regulating the environment. Heating and AC should just work and work in the background.
The Work Environmental Promise
We promise to wow our customers with service, integrity and respect. We promise to keep your home clean and provide prompt & punctual service.

Clean & Punctual

Our qualified professional staff is dedicated to providing you with service to meet all your expectations starting from your very first phone call. Our technicians and installers strive to leave your home looking as well as when we arrived. They take whatever measures needed to protect your home and clean the work area completely when the service or installation is complete.

We have the staff and availability to schedule your service call as closely as possible to a time that is convenient for you because we know your time is valuable.

We Service All Brands