Solar Air Heater!

Solar Hot Air Heater!

The new solar air heater leaning up against the well/shower house where it will likely be installed as it is a near perfect south facing wall. Thermometer reading after just a minute behind the air outlet? 100 degrees and that’s with outside air of 48. NICE! My guess is that this would easily heat our little shower house to a comfortable 70+ degrees on sunny days during the winter. A big thanks to Rick for building it!

Update 1: Went back out to get another temperature reading, 110 degrees! From what I’ve read online they can be expected to output air between 100-130 degrees or more on sunny days. Even on cloudy days they will put out air that will warm a space though obviously not as effectively.

Update 2: As of this update (1pm) it is 50 degrees outside and the current reading is 120+ (my thermometer tops out at 120) that’s a 70 + degree gain.

So, cost on these, is 4×8 plywood, 2×4, paint, caulk, silicone, tempered glass assuming it is all bought new probably $100-150. My guesstimate is that in one winter the savings on electricity would be $300-500 depending on the use scenario. Cost on keeping our well/shower house heated to 50 degrees this winter has probably been $60-80, maybe more. To keep it heated to 75 for comfortable shower house temps would have been MUCH higher, easily $200+ as it would require an actual heater, not just the two heat lamps I currently use. Using the solar air heater, I think we’ll be able to keep this structure heated to at least 75 on sunny days, for free next winter.

4 Comment

  1. Very nice indeed! I think I'll give it a go myself! 🙂

  2. Do you have plans for this? I've been hoping to make a passive solar heater for the shed, and used to have plans but lost them…this looks like aluminum cans painted black, is it?

    Thanks!

  3. mladen says:

    Good job!!!
    I wanted to make one of my own and found plans on net. Check http://solar.freeonplate.com/solar_panel_DIY.htm . There are some useful instructions too.

    Thank you…

  4. M. Taufik says:

    Nice equipment..

    One of heat exchanger, transfer heat energy from solar to air. I belive the maker of this equipment is very brilliant and innovative.

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