Thomas J. Oswald By Comfortrol Posted July 17, 2020 In Thomas J. Oswald2020-07-172020-07-17/wp-content/uploads/2020/07/logo.jpgComfortrol/wp-content/uploads/2020/07/logo.jpg200px200px Comfortrol At Comfortrol, we provide industrial heating and air conditioning construction Columbus, OH. Give us a call if you need HVAC service or are looking for an air conditioning spec contractor Columbus, OH. Recent PostsSlimduct RDHVAC News – Volume 1 – Issue 2PURO Germicidal DisinfectingCommercial HVAC Replacement and Retrofit Tips from Comfortrol