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.

The Model 1500 "High Heat" Series Solar Air Heater is a Module Array Assembly for Commercial and Residential application. High Heat output with Patented "Step-Wise Heating Technology".

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 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 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.

Solar Air Heater Profile Series 6-Panel Array.

Start with our single-panel solution. A solar air systems Model SAS2448 solar thermal air heater panel generates enough heat on a sunny day to heat an average size room.