The Tecumseh AE1432E-209-J7 is a 1/2 horsepower reciprocating compressor intended for use in a variety of HVAC applications. It uses R-290 refrigerant, which is a more environmentally friendly alternative to typical alternatives. This compressor operates by sucking in, compressing, and circulating the refrigerant throughout the system to provide cooling or heating. #Tecumseh #Ae143... https://www.partshnc.com/ae1432e-209-j7-tecumseh-115v-recip-comp-r-290