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

Leaking tube bundles – As the scale attaches to the heat exchanger, it begins to corrode the surface. Over time, the scale ...

"Energy-efficient and cost-effective ... It can also save lives." Recent report finds new home appliance could save thousands of lives each year: 'Most people don't realize' first appeared on The Cool ...