Need advice on monitoring the humidity in crawl space under house
add plastic, and additional ventilation to the crawl space.
most dehumdiferes today include a humidity read out.
your least expensive approach is great plastic sheet job, lots of
insulation, and a small muffin fan running 24/7 they use nearly no
electric but can keep humidity low.
make sure the area is welll drained, with downspouts and all routed all
away from house
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