The MRCOOL MPG42S090MO13C® VersaPro® 90K BTU 3.5 Ton Packaged Unit Gas/Electric Air Conditioner is a packaged HVAC system that combines gas heating and electric cooling into a single outdoor unit for efficient year-round climate control. It works by using an electric air conditioning system to cool indoor spaces during warmer months and a gas furnace to deliver reliable heat in colder... https://www.partshnc.com/mrcoolr-versapror-3-5-ton-90k-btu-packaged-gas-unit-mpg42s090mo13c