Forum Discussion
Harvey51
Feb 05, 2017Explorer
Thanks for the DC compressor RV fridge idea, Mr Wizard. This one claims much lower energy needs due to better insulation, no DC to AC conversion and a design that lets heat escape easily.
15 KWH/ month is half a KWh per day, so a 100 watts of solar collector could run it. A battery with usable 50 Amp-hrs stores 50x12=600 watt hours or 0.6 kWh, enough to operate the fridge for a day.
I don't see any prices for these fridges.
The SUN FROST RF16 typically consumes 15 KWH per month. By contrast, the average refrigerator in a home consumes 75 KWH per month. Producing the 75 KWH needed to run this refrigerator in an off-grid solar power system would require an initial investment of at least $4,500 in hardware. The SUN FROST would require a $500 investment.http://www.sunfrost.com/all_efficient_refrigerator_models.html
15 KWH/ month is half a KWh per day, so a 100 watts of solar collector could run it. A battery with usable 50 Amp-hrs stores 50x12=600 watt hours or 0.6 kWh, enough to operate the fridge for a day.
I don't see any prices for these fridges.
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