The core of the 1548 is the "U.S. and Canadian Patented Solar Air heater Step- wise heating Technology. Each Solar Window Air Heater insert has been specifically designed to capture the suns energy, converting energy to heat.

The price includes 4 Model(s) 1536P for $1,469.95. The discounted price represents almost a 30% discount – another industry first for consumers from Solar Air Systems.

The Model 6036 is 60 inches wide by 36 inches tall. The 4 inch entry and exit hole in the back side of the left hand and right module assemblies.

Digital thermometer fan switch. Fan not included.

Left side and right side thru the wall Model 1536. Sold in pairs. Order in between modules in pairs 2,4,6,8...etc.

The Model 6047 Wood Frame is 60 inches wide by 47 inches tall. The 4 inch entry and exit hole in the back side of the left hand and right module assemblies.

This kit is complete with (2 ea.) custom 8" x 8" wall vents with washable filters, metal wall duct mounting assembly. 4 inches O.D.

Solar Air Heater Fan, Matched System Double Fan Kit. Custom designed controller for a solar air heater.