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Heat recovery ventilator

08:04AM | 12/31/00

Member Since: 12/30/00
1 lifetime posts

Heat recovery ventilator

Tags: HVAC

My windows are condensing moisture badly at 35% humidity level inside and 10F outside. I have 3 dehumidifiers running in the house(one on each floor). The windows are new Hurd double pane casements. The house is old but recently refurbished including insulation, house wrap, vapor barrier in wall.

I believe the glass temperature around the edges is colder than the dehumidifier coils so I expect my only remaining solution is draw more DRY outside air into the house. Other ideas????

Any recommendations of HR ventilators?? What are the prices? Can I do it myself??

Thanks for your help.

Ray

HOLLYWOOD

05:34AM | 01/21/01

Member Since: 02/19/00
206 lifetime posts

Moisture on the windows can be a sign of too much moisture in the house. Try a sling spycrometer to measure the actual level of humidity. Like a glass of ice water in the summer the humidity will condense on the cold glass. I think that you are too hi. I trust the quality of windows you have installed so I don't think that would be a problem.

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Heat recovery ventilator

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