I built a back yard 10X12 green house. it is an Aquaponics system with a 400 gallon fish tank at the center, 64 gallon nitrification system. We are in the Zone 5 area. so the green house has a solid 6" insulation north face and roof. South face all use 2 layer 1/8" Polycabonate sheets. Some key characters are:
1. It is all powered by 2 pieces 100KW solar panels, 100AH (x2) batteries.
2. Rain collection system deliver the 90% water source.
3. 12v air change fans (1 push 1 pull) control by temperature sensor.
4. High tank drip irrigation system to the plants.
5. 20 large goldfish in a 400 gallon fish tank and 64 gallon nitrification system
6. All the water and air pumps can control by Wifi. Any cell phone can control schedule them all.
I start this project last year Aug. it passed this hardy winter (use a 600w heater 3 nights only, when temperature close to sub Zero (0F). Everything so far so good.
So glad to see all the friends have same hobby.
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