Pittsburgh Furnaces take a beating so you might be in the market for a new one! Whether your current heating system no longer works, or you’d like to switch to a more Energy efficient furnace to lower costs, Air Pro can help. We keep a large inventory of Lennox, Bryant, Trane and Ruud brand furnaces, and can help you find the best one to meet your needs. Listed below are the most popular furnaces. Contact us for more information about other available brands. Click on the logos below to learn more.