The MRCOOL MPG48S090MO13C VersaPro is a 90,000 BTU, 4-ton packaged gas/electric air-conditioning unit designed to provide complete heating and cooling from a single outdoor cabinet. It combines a gas furnace for heating with an electric air-conditioning system for cooling, using R-454B refrigerant for efficient heat transfer. This packaged HVAC equipment is suitable for residential an... https://www.partshnc.com/mrcool-versapror-r-454b-package-gas-mpg48s090mo13c