How do you heat a greenhouse with minimal energy usage? Now that we need to be energy efficient and sustainable – what options do we have to try and keep it frost free? Bubble wrap may be the future….
Read some practical advice from the RHS here:
This candle heater will produce a slight raise in temperature
Bubble Wrap Insulation – but light will be reduced..
Hydronic underfloor heating! Recommended to solar heat the circulating water if possible. You can also use old carpet to insulate the floor.