Started in April 1977, Environmental Techniques Corp. (ETC), has grown by providing honest, reliable and competitive residential and commercial services to the North Texas area. ETC is proud of our service to our customers. ETC, Trane's 2005 Light Commercial Dealer of the Year, started serving commercial customers and later began serving residential customers. Now ETC is a one-stop-shop for all of your commercial and residential HVAC needs. All of our technicians are licensed and certified. They are also background checked and drug tested. We offer a broad range of quality name-brand products that meet the customer needs and budget. We also offer maintenance and repair services to keep your air conditioning and heating system running perfectly.