The Goodman AWUF180816 is a wall mounted multi-speed air handler compatible with 1. 5 ton heat pumps and air conditioner units. This Goodman 1. 5 Ton Air Handler will provide you efficient cooling/heating performance for many years and along with that will not possess any threat to the environment because it is compatible with the R-410a refrigerant technology. Equipped with direct drive multi speed motor, it allows air volume variation for both heating and cooling operations.