If you don t have it in you to make one yourself solar air heaters for sale are also available online for purchase with a bit of internet digging.
High efficiency solar air heater.
During daylight hours equivalent to a 150 to 500 watt electric heater.
Just as the sun s energy can be put to work heating water or producing electricity it can also heat air to keep your house warmer on cold clear days.
About our solar air heaters our patented revolutionary technology provides effective supplementary heat for up to 150 sq.
The thermal efficiency of a counterflow air heater without a porous matrix is between 10 and 18 higher than that for a double glazing conventional air heater for b 2 5 and 5 0 cm respectively.
Although it will need to be placed in a space where it can collect sunlight it will function even in partly cloudy conditions.
Low power direct heaters like this foot mat heater heated blankets and heated throw rugs.
However your solar box is probably not as efficient as a space heater so the energy heat you get out is actually less.
The heater is most efficient in rooms that are 150 square feet or smaller.
However the thermal efficiency of this type of collector is significantly higher than the thermal efficiency of conventional air heaters.
Apart from that insulation draft proofing and good orientation we recommend.
The thermal efficiency of the suggested collector exceeds 75 under normal operating conditions.
Diy solar air heater videos are a big hit on youtube with a couple of main staple ideas recycled pop can solar collectors downspout solar collectors screen or sheet metal solar collectors.
Solar infra systems solar infra systems has a portable solar air heater that doesn t require installation.
High efficiency interior application for sunny or partial cloudy conditions ideal for space under 150 sq.
So a sheet of plywood sized solar box can give you 2 space heaters of energy in theory.
Notice that the space heaters you get at like home depot or walmart pull about 1 500 watts each out of the wall.
The most energy efficient heater is a well insulated and draft proofed home that also lets in solar radiation at the right time.