Well again no responses to look at some issues out there. Come on folks lets get some interaction here.
Anyway I'll go over some items I have ran across. Metal ducting under house in crawl space. No insulation. What happens? Here are some scenarios: Crawl space is well insulated, well ventilated......hot summer day the air in crawl space will rise with ambient temperature....the humidity level is high... air in ducting from AC system is cool.... condensation forms inside and outside of the metal ducting. On the outside of ducts it "rains", on the inside...there is humidity being put back into airflow but a cooler temperature. Inside the building the temperature is cooling down but the humidity level is not being lowered much. Next time a solution. Send us your issue.
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