Quote:
Originally Posted by Dave Hill
Hi all,
Last year there was a BBC2 programme called "Its not easy being green".
In one of the episodes the presenter Dick Strawbridge built a greenhouse
heater out of a computer cpu fan, solar panels and a bit of piping....
Now that I've erected a nice shiny a wanted to try out his idea (It
involved circulating the air from the top of the house back into the
gravel bed on the floor.
I can't find any link on the internet or the BBC's website..... Has
anyone tried this idea or knows where there are plans for such a scheme.
Thanks,
Paul.
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If you're just trying to keep it frost free, then how about some large black plastic water containers filled with water, they would heat up nicely in the sun and release their heat slowly at night. Once the frosts are past they can be removed giving more space ot just used for watering the plants.