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

Help is at hand though courtesy of [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units. A custom copper “trombone ...

If you turned your window air conditioner ... Unlike a heat pump, a furnace generates heat by burning a fuel or passing electricity through a resistive element. It’s usually in the basement ...

Despite advantages such as higher efficiency and the acceleration of heat decarbonization, the market faces several challenges. A higher proportion of aging households, inadequate insulation, higher ...

Gradient's advanced window unit can heat and cool 500 square feet of your home, and it doesn't require any electrical work.