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Temperate Fruit Discussion / Re: Heating a greenhouse on a budget??? Ideas?
« on: January 05, 2018, 07:57:19 PM »
My greenhouse (actually a hoophouse that I seal up as tight as possible in the winter) is 20 by 30 with a 15 foot center ridge. I used to heat it with an old wood burning stove but going out there every hour or so to toss more logs on the fire got old after a couple of years so I broke down and bought a poultry barn electric heater (slightly cheaper than an electric greenhouse heater). It did require an electrician to install a 220 line to it but I already had one because the lot used to have an above ground swimming pool. On a normal winter it only costs me $35 - $50 per month for four months of hard winter. During really cold snaps (like right now) it costs me about a $100 per month. I'm in zone 7b so winters are generally mild. The hoophouse sits on the asphalt pad of an old basketball court which extends out beyond the structure, so when the sun shines it heats up and transfers a lot of heat to the floor of the hoophouse. I also allow it to heat up in the middle of the winter, the peak of the day heat will warm up the potting media in the pots and that will keep everything warm long into the evening.
















