Slr007 Through Window Easy Insert Solar Hot Air Machine- Easy Installation - Catches about $1 heat per day - that's accounting for clouds 50% of the time in NH!

Fits out South Facing window. Grabs sunshine for free heat!

26 inch or larger window.

Complete with baffles that open to let just warm air in.

Sun heated air rises into your house or office through the window! No fans, no plugs.

Typical savings for NH given that we have sun about 53% of the days when heat is desired - would be about $190/year of free heat when used in heating season.

Picture having one of the greener homes around...
Collapses for eash shipping.
Grey color shown here or clear (not shown.) See other heaters online and then buy here - we have the best for the price by far!