Gradient's advanced window unit can heat and cool 500 square feet of your home. And you won't need an electrician.

Gradient's All-Weather 120V Window Heat Pump Meets the Highest level Recognized on the Consortium for Energy Efficiency's Qualified Product List as an Advanced Tier Product "Gradient's mission to ...

Gradient's 120V All-Weather Heat Pump can heat or cool 500 square feet of space, and all it needs to install is a standard electrical outlet.

Based on its efficiency ratings, Gradient’s All-Weather 120V Window Heat Pump meets the highest level within CEE’s specification, the Advanced Tier. This recognition opens the door to ...