There are gas fired whole house dehumidifiers which are more efficient than AC units. Otherwise it's probably most efficient to get minisplit with a really high SEER. I don't see dessicant as the way to go. My dehumidifier can remove multiple gallons of water from my basement a day in the summer. How many cubic yards of dessicant will one need to cycle through (some in use and some spread out in the sun drying out) to make this possible? Think of the labor involved in hauling 2 or 3 yards of this stuff outside each day and spreading it out in the sun? what if you don't have any sun for several days. What if it's also humid, maybe because it's raining, and thus even more humid.
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Chipping away on a daily basis.
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You know you're an ecorenovator if anything worth insulating is worth superinsulating.
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S-F: "What happens when you slam the door on a really tight house? Do the basement windows blow out?"
Green Building Guru: "You can't slam the door on a really tight house. You have to work to pull it shut."
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