Solar Heat Window Box

The unit fits on the inside of the lower sash section of a standard 36 x 60 double hung window.

Solar heat window box.

The first thing to do is figure out where you want to place the box or boxes you build. The beauty of a solar box window heater is you can make one of these for about 100. Believe it or not this simple and effective window box diy solar heating collector can be fabricated in just under an hour by an experienced home craftsman or in less than two hours by the more. Prepare whatever foundation and side installation mounts needed.

Solar box heater solar energy can be used to heat your home in several ways including this easy diy solution. I have found out that bigger is better when it comes to solar air heater boxes. Find the best and biggest not shaded south facing area you can. The idea here is to put solar box window heaters in south facing windows during the winter to supplement your heat needs.

In the photo i used 4 x4 posts to hold the two 3 x12 boxes and attached them to the side of the house using wood screws into both the window frame and strip glued to the side of the house.