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Off grid Greenhouse Inflation Fan Application | 36 comments (36 topical)

Re: Off grid Greenhouse Inflation Fan Application (3.00 / 0) (#1)
by TomW on Wed Jun 10, 2009 at 10:01:41 AM MST

moose;

Thats why grid is always cheaper if it is available.

Welcome to the RE reality.

And, if you are extremely lucky and careful the batteries need to be replaced after from 5 to 10 years. No guarantee your site can keep the system running, either.

Solar is great but only when the sun shines.

Tom

Without fools, you could not look intelligent. There is no knowledge without questions.

Re: Off grid Greenhouse Inflation Fan Application (3.00 / 0) (#3)
by TomW on Wed Jun 10, 2009 at 10:42:01 AM MST

moose;

For simply running a fan you might look into DC fans and eliminate the inverter, its cost and efficiency tax. One of Ghurds [long time member] controllers could easily handle the control aspect.

Your .42 anmp load at 120 volts will be about 50 watts plus efficiency losses 24/7 and no way a single 85 watt panel will stay ahead of that to start.

Just after thinking it over some.

Good luck sorting it out.

Tom

Without fools, you could not look intelligent. There is no knowledge without questions.

[ Parent ]

Off grid Greenhouse Inflation Fan Application | 36 comments (36 topical)

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