The cost of heating a greenhouse in winter can sometimes be greater than the savings and advantages of using one to grow your own.
Here are some cheap ways to heat-up a greenhouse without using
electricity; Decomposing hay or straw bales, dust bin or old oil drum filled with water, even a rabbit hutch complete with rabbit will warm it
up......More information on this page.
The main problem is heat-loss because Greenhouses are poorly insulated, making a few simple improvements to insulation will reduce the cost of heating a greenhouse in winter. Materials you can use to insulate your greenhouse include, Straw, Cardboard and Bubble wrap...... Read how to use them here........
Paraffin heater, Straw, Cardboard, Bubble wrap, Decomposing Hay or Straw bales, Dust bin or old oil drum filled with water, even a Rabbit hutch complete with rabbit will warm it up. Read how to use them........
The main loss of heat from greenhouses is from draughts and through the structure so these five simple maintenance and insulation tips will help to keep your greenhouse warm.
Greenhouse Paraffin heater for winter.
Paraffin heaters are the simplest way to heat a greenhouse up to about a maximum length of 8ft in winter.
If heating demand is not to high through Winter and outside temperature does not fall below -6C and the required greenhouse temperature is no more than +5C, this paraffin heater will keep your greenhouse free of frost.
If you use a greenhouse heater you can help keep greenhouse heating costs down and still grow plants through late Autumn and Winter months by adding a layer of bubble wrap to insulate your greenhouse. See below.
I found this Idea for a small greenhouse heater using a nightlight, a saucer and a terra-cotta pot on a forum. Usually a night light lasts eight hours so I’m going to experiment with these in saucers beneath a metal bucket and on a saucer in an old watering can.