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Author Topic: The 2018 thread  (Read 2986 times)

Offline Motoman991

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Re: The 2018 thread
« on: January 04, 2018, 01:03:56 pm »
Here's a solar air heater I made that just recently has been installed and finally working.  I did this as a fun side project and to help cut down on the heating cost of the garage. 

Built on a 4x8' frame.  It's a screen type heater with 6 layers on aluminum screen.  Air is pulled through the system using a 37watt 6" duct fan, which is the only power consumption.  A few days ago the temperature was around 23ºF and not a cloud in the sky.  The heater was sucking the 50º air inside the garage and pushing it out substantially warmer.  The highest temp using an IR temp gun was 127º at mid-day.  I don't know how many CFM are coming through, since I don't have an anemometer.  During mid-day with full sun it should be putting out a little more heat than a 1500watt space heater, if my basic calculations are correct. 

Here's a few pictures of it.  It now has a 4x8' reflective panel mounted on the roof right in front of it.  It's painted blue because I got the paint for free from Sherman Williams.  I would never pick that color haha.






 

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