The SRCC certified Solar Powered Furnace (SPF) is the industry leading, state of the art, solar air heating system. These patented solar panels are designed and manufactured by RREAL to integrate seamlessly with residential and commercial buildings of all sizes. Made in USA. Patent 8,757,143
The SPF has received the SPF Certification Award Letter as the most efficient Solar Air Heating collector manufactured in the country! It also delivers the most BTUs per dollar in its class!
Check out the SPF Catalog Spring 2015 and then use the new SPF Savings Calculator to see how much energy and money SPFs could be saving you at your site!
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