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-   -   greenhouse heating problem (http://www.hydroponicsonline.com/forums/showthread.php?t=1309)

Kentuckyy 02-14-2009 07:29 AM

greenhouse heating problem
Hi everyone: I live in KY. (USA)Is a greenhouse economically feasible after considering heating cost during the winter? I wonder if anyone farther north with a greenhouse could give me some tips on offsetting the heating problem.

Ron 02-14-2009 07:30 AM

Hello Kentucky You could use 1000 watt HID that would give off heat and supply your plants with more light that they need in
the winter anyway. For most plants you could run the lights 24 hours a day. Ron

andy 02-15-2009 04:18 PM

free green house heat!
ok this is a method they use to grow in the high altitude green houses in the mountians:
1. paint your back walls a dark color to absorb heat during the day
2.take empty 2 liter soda bottles paint them flat black and fill them with playground sand ,pack tightly! hang these any where you can that they will not shadow the plants you are growing ,they will absorb heat all day and slowly radiate it through the nite .sand works better than water!

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