Building Hot Air Solar Panel

Photo by don r.

Building hot air solar panel.

Solar hot air systems actively produce heat only in the daytime but some of that heat is absorbed by the building s thermal mass. Jean ma sunmate solar panels are a great way to save on your heating bill i ve had 2 panels on my house for 12 years now. On real cool mornings my panel fans kick on around 7 30am and they remain on until roughly 4 00pm heating the first floor of my house throughout the day maintaining between 70 75 even when the temperature is in the. Homemade solar heating system 1.

The above diagram indicates the basic concept of a solar air heater and while there are many designs the basic principle is the same a small fan feeds interior air into a south facing wall mounted panel. A solar hot air collector usually includes a hot air duct connection at the top and a return air duct connection at the bottom. Making a solar hot air collector out of free used 2 x 4 metal light fixtures free old glass and free black paint to reduce our carbon body tape outline reduce our untility bills and save money. I m not an engineer but know attics are hot basements are cool.

Producing up to 4 100 btus and priced at 379 97 this panel is the lowest cost practical solution to going solar of any system on the market. Use a small 5 12 volt solar panel to power a computer fan to pull air through or natural convection like an oven where hot air rises from the bottom intake hole to the top outtake hole. Air is heated as it passes behind a black surface and is then returned to the conditioned space at a much higher temperature. Drywall tile framing lumber etc.

We are building and installing 14 of these hot air collectors on our south wall of our 140 year old house in ontario canada. Desert dwellers do the opposite. To improve efficiency most solar hot air collectors have a black metal baffle or screen behind the glass that allows air flow on both sides.