Hi , this is the first time I'm posting. My husband and I are putting in a hunting camp in the Adirondacks and are interested in a non-electric composting toilet that's inexpensive (if possible). Will a cabin on 4' piers be adequate for installation? - there are a few diagrams on-line, but don't know if they all need a holding tank below floor level. I also noticed that some non-electric types require a fan (electricity) Don't mind an outhouse, but it gets cold up there! Thanks for any info-