Heat loss through windows / Green Building & Sustainable Home Renovation Information & Advice

...windows. Before getting all gung-ho about replacing windows, a seasonal solution can be covering them with a thin sheet of plastic; that will prevent heat loss, reduce air leaks, and as a bonus you'll be able to see outside.  Poorly performing windows will also make a home feel drafty and cold when you're near them, so...

...heat flow is more dramatic. A thicker coloured line indicates a longer time taken for heat to move through it. Or in layman terms - in cold climates this translates to more heat in your house and more money in your pocket, or in warm climates, more unwanted heat outside and a lower load on the aircon unit, also saving ...