“Solar energy can be used to heat your home in several ways including this easy DIY solution.
The idea here is to put solar box window heaters in south facing windows during the winter to supplement your heat needs.
The beauty of a solar box window heater is you can make one of these for about $100.
How it works…
The basic idea here is that the cooler room air is drawn into the lower chamber and warmed as it passes over the black heat collector.
As the air warms it rises and enters back into the room through the upper chamber…”
