[Greenbuilding] differential thermostat controls for greenhouse
Topher
topher at greenfret.com
Wed Sep 25 14:45:53 CDT 2013
On 9/25/2013 2:21 PM, Ross Elliott wrote:
>
> Does anyone know of an off-the-shelf control system that would turn a
> ventilation fan on in a greenhouse and dump warm air into a high-mass
> heat storage room in winter / outside in summer? I want the fan to
> come on whenever the temperature in the soap-bubble greenhouse is
> warmer than the heat storage room, aka "the potting shed" (although
> since it's a Steve Kohrner flying concrete design it's more like a
> potting cathedral), so it's not a fixed temperature sort of setup, it
> depends on the temperature difference between the two spaces.
>
>
Most solar controllers are differential based. You could probably use
one like that.
Thank You Kindly,
Corwyn / Topher
--
Topher Belknap
Green Fret Consulting
Kermit didn't know the half of it...
http://www.GreenFret.com/
topher at greenfret.com
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