Greenhouse Heaters - Gas or Electric - Which is best?

 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.

 Redrose wrote:

any

what about Paraffin?

My Mum gets 4 gallons each autumn from what's left in the paraffin tank
  in our stock room and that does her all winter.

Although her greenhouse is only a small one.

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 Pet @ www.gymratz.co.uk ;¬) wrote:

Gas and paraffin also add wter vapour and CO2, which may be good for plants.

Lost cheaper than lectrickery

 Redrose wrote:


any

Why heat the whole greenhouse?  I am currently bringing on approx 250
Busy Lizzies and 100 Geraniums in an electrically heated propagator
(within a greenhouse).  This is a bed of sand with an insulated base and
an 80W soil warming cable.  On top is a 4' x 2' cold frame insulated
with bubble plastic.  In a worst case scenario with external temp below
zero, the air temp in the propagator is always above 8C. I have used
this system for 4 or 5 years and have had no problems.

Malcolm

 I'm thinking of running electric to my greenhouse how do you get a
double socket to stick to glass?