The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, and energy efficiency.

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 ...

To tackle the heat, this unit features a dehumidifier ... to cool each side or floor. Most portable air conditioners require venting through a window, or alternatively a wall, ceiling or door.

As the summer months arrive, you have the choice of baking in the heat, or giving up your sunny view for a boxy window air conditioner. A new Kickstarter product aims to give you a third option.

Small coolers can be installed in a window to heat a specific room in your home, and small, portable evaporative coolers on wheels are now available. On the other hand, air conditioners cool your ...

a heat pump or air conditioner? Here’s what you need to know about the two. Profit and prosper with the best of expert advice on investing, taxes, retirement, personal finance and more ...