Greenhouse Heater Issue

Brian Whyer via pbs pbs@lists.pacificbulbsociety.net
Mon, 01 Nov 2021 03:06:01 PDT



I am using a 30/40 year old electric fan heater (permanently on) to keep 
my 8'x8' greenhouse at 6C min. On it's second thermostat now. Oil the 
bearing every few years ;-)
High iron content brick storage heaters were popular for "central" 
heating here some years back. Powered at night only. Greenhouses with 
pit type concrete filled "underfloor" storage was suggested here, with a 
fan circulating 24 hours. Storing during the day, releasing at night. A 
contact had a large-ish pond under his staging for the same purpose. 
Full of frogs when I last saw it. I have 2 water butts inside that get 
warm to the touch in summer.

Looked at solar power and ground source when this house was built. Too 
long a repayment time unfortunately, and poor roof exposure for panels.

Brian Whyer SE UK no frosts, yet.


Does anyone use a solar powered greenhouse heater?
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