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Daox · 05-31-11, 03:45 PM

The solution now is an HRV (heat recovery ventilator) or ERV (energy recovery ventilator). Both of these solutions transfer heat or cool from the air exiting the house to the air coming into the house. An ERV also transfers some humidity. These are increasingly used in modern construction as sealing the house has caused problems with stale air, and more so with trapped moisture and mold in houses. However, despite the cost, these units easily pay for themselves in a reasonable amount of time since you are able to recapture 60+% of the heat exiting the house via infiltration versus 0% if it was simply going out a hole in the wall.

05-31-11, 03:45 PM	#57
Daox Administrator Join Date: Aug 2008 Location: Germantown, WI Posts: 5,525 Thanks: 1,162 Thanked 374 Times in 305 Posts	The solution now is an HRV (heat recovery ventilator) or ERV (energy recovery ventilator). Both of these solutions transfer heat or cool from the air exiting the house to the air coming into the house. An ERV also transfers some humidity. These are increasingly used in modern construction as sealing the house has caused problems with stale air, and more so with trapped moisture and mold in houses. However, despite the cost, these units easily pay for themselves in a reasonable amount of time since you are able to recapture 60+% of the heat exiting the house via infiltration versus 0% if it was simply going out a hole in the wall. __________________ Current project - To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. & To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.