OffGridInTheCity
Solar Wizard
Trailer is sealed (except the fan openings and a small window in a back door) and we use the mini-split most of the time. In fact we cut a 1" piece of foam board to stuff in the opening to keep heat going out in winter. We did try the 'keep 75F' feature a couple of times when it was 90F outside but it wasn't that effective and at a 15deg difference the mini-split only needs <5 kwhs / 24hrs and we have a 13.5kwh lithium-ion battery on board.Just curious, why was it a waste? Because you rarely use it or it did not perform? With my fan, unless I have the window open a crack, it's not really going to do anything since the trailer is sealed up pretty well. But I had nearly a 10 degree difference between running the fan and just leaving the vent cap open.
MaxxFan fan failed to work properly after a couple of months. Would not respond properly to the remote control / ignored settings. Had to wire in an on/off switch to 'reset it' each day. Not sure what caused this. Not anti MaxxFan, just didn't live up to the $377 price in our situation. This is the one we installed - https://www.amazon.com/gp/product/B002OW5JG2/ref=ppx_od_dt_b_asin_title_s00
Bathroom wall fan - https://www.amazon.com/gp/product/B00407CK5W/ref=as_li_tl saw it in this youtube at 4:14... and followed their concept.
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