Air Temperature Services is a Wisconsin-owned HVAC contractor that has over 35 years of experience specializing in the design, installation, maintenance, and service of commercial and industrial heating, ventilation, air conditioning, and refrigeration (HVACR) equipment. We design commercial HVACR systems to specifications that meet the needs of every customer. While most of our work is performed in Southern Wisconsin, our professional reputation has also created a demand for our commercial HVACR services throughout the Midwest and beyond.