Schedule a FREE Estimate Today Across Northwest Indiana! 219-476-3776 Welcome to Sub-Cooled Heating and Air Conditioning, your premier provider of Enhanced Air Quality Solutions for residential and commercial properties across Northwest Indiana, including Lake Station, Hobart, Valparaiso, Chesterton, and Portage. Our certified technicians are dedicated to improving indoor air quality with advanced products like the … Continue reading Enhanced Air Quality Solutions Across Northwest Indiana