These Are The THI Trusted Air Conditioning Contractors! 

We vet all our contractors to make sure we only recommend contractors who meet our high standards for experience, expertise and customer satisfaction.


Mike Douglas founded Advent Air Conditioning, Inc. in 1981 on three core principles: Quality, Honesty and Integrity. Today, these important values are still at the core of how Advent does business. We focus on providing only the best in air conditioning and heating (HVAC) service, repair, and installation. Customers can count on our team to provide an honest assessment of their HVAC needs as well as timely and friendly service from our experienced, NATE-certified HVAC technicians.


In the important area of cooling and heating solutions Du-West provides the best service by offering on-site and on-time maintenance and emergency commercial, industrial, and residential response. While Texas weather can be unpredictable, Texans can rely on Du-West to keep your environment comfortable and to provide peace of mind regarding equipment operation.


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We have well over 150 years of combined experience in the heating and air conditioning industry and 100 years of combined experience in energy efficiency industry.