About our solar air heaters our patented revolutionary technology provides effective supplementary heat for up to 150 sq.
													
																	Solar heater window unit. 
									
	
		
	
																	The beauty of a solar box window heater is you can make one of these for about 100. 
																	Window mounted units are good for heating small rooms such as a bedroom. 
																	Serenelife 10 000 portable air conditioner 9000 btu heater 4 in 1 ac unit with built in dehumidifier fan modes remote control complete window exhaust kit for rooms up to 350 sq. 
																	Solar heating idsh model is a solar air heating panel unit designed to heat the air for free by using the sun s energy. 
															
													
									
	
		
	
																	I am currently working on a big version of this for suplementin. 
																	Because solar air heaters are dark colored to help absorb heat window mounted units block daylight. 
																	The idsh is placed against a window with a southern exposure. 
																	Solar air heaters can vary in size cost and heating capacity. 
															
													
									
	
		
	
																	During daylight hours equivalent to a 150 to 500 watt electric heater. 
																	Ft heat white 4 2 out of 5 stars 3 147. 
																	The panel has a built in digital thermometer which allows you to see the temperature of the air that the heater is blowing out. 
																	A 32 by 18 inch window air heater panel costs 400 to 500 and can heat a small room. 
															
													
									
	
		
	
																	Idsh indoor solar heating window unit. 
																	Outdoor wall mounted unit costs 2 700 and is able to heat 1 000 square feet. 
																	Window heating unit and air distributing fan work solely from solar energy. 
																	This is a small window unit solar passive air heater i made as a test to see how they worked.