zx9
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- 5,171
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- South East London
It has a thermostat so will only be on when required, we now use an electric heater keep an insulated 8ft x 10ft greenhouse above 5 deg. C over winter, it is a lot more convenient than the propane heater it replaced with the added bonus of reduced condensation.With that current rating no wonder it got binned ..17to 19 p or so every four or so hours plus vat .. say £1.20 a day ..it soon mounts up in cost .