The Downside of Running a Dehumidifiercomments (4) September 12th, 2011 in Blogs
Harry Seidel is building a superinsulated house in New Hampshire, a smart move given the region's tough winters. The roof, the walls, and even the basement slab all will be well insulated.
Q&A: Where is the humidity going?
His strategy will pay off handsomely in keeping winter heating bills down, but it also has Seidel wondering about the potential for trouble during the summer. He plans to put a dehumidifier in a basement utility room, which will help keep inside moisture levels at a comfortable level. But these appliances also generate a fair amount of heat at the same time they're extracting moisture from the air.
In a superinsulated house, heat is slow to dissipate. Would it be smart, Seidel wonders in a post in the Q&A forum at GreenBuildingAdvisor, to eliminate insulation under the slab in the utility room to create a heat sink for the dehumidifier? Or is the heat loss during the winter a more serious problem?
That's the subject of this week's Q&A Spotlight.
posted in: Blogs, energy efficiency, hvac
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