HRV is the best most energy efficient option, but not the cheapest initially.
This same issue was discussed earlier in this thread:
http://www.canreef.com/vbulletin/sho...light=humidity
I installed mine last fall and the difference in the house is remarkable.
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I retired and got a fixed income but it's broke.
Ed
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50 gallon FOWLR, 10 gallon sump.
130 gallon reef, 20 gallon sump, 10 gallon refugium.
10 gallon quarantine.
60 gallon winter tank for pond fish.
300 gallon pond with waterfall.
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