Regarding Gas, this makes a great deal of moisture in the air, so will need
well ventilating, which rather negates the purpose.
As far as electric is concerned, assuming you are aware of the saftey
needs,
3Kw sounds a bit OTT, I have used a 700w convector heater this year, on a
timer, 1 hour on 1 hour off, even with -5c havent lost any plants or
seedlings yet.
regards
Cineman
"Redrose" <redrose@[EMAIL PROTECTED]
> wrote in message
news:9d91f$443d2ba4$3e1e217b$31836@[EMAIL PROTECTED]
> Hello, at the moment I am heating my greenhouse by a 3 kw Electric
heater.
> but
> the electric bill is getting rather large!
>
> I am thinking of switching to a Propane Gas heater of 2 - 3 kw, has
> anybody any
> thoughts about this?
>
> Thank you,
>
> Tony.
>
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