When winter weather becomes harsh, there is no better source of warmth and security than a reliable gas furnace. While furnace technology has been around for years, not all systems are created equal. The MRCOOL 135k BTU single stage, 80% AFUE gas furnace stands out as one of the best options available. This system can be installed upflow or horizontal and is built to last for years while providing strong and efficient heating. With an 80% AFUE energy efficiency rating, this furnace ensures that 80% of your heating fuel is converted into valuable heat for your home, helping to keep your heating costs
