You don't need to call an electrician. Gradient's 120-volt All-Weather Heat Pump is easy to install on your own and plugs into a standard outlet. Jon covers ...
A new, thin insulator has been designed to boost the energy efficiency of windows by blocking heat. Designed by a team from the University of Colorado Boulder in the US, this invisible window shield ...
Martha Stewart on MSN
Do covered windows actually keep homes warmer in winter? HVAC experts weigh in
This simple trick will insulate your home all winter long.
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