Vital Signs Case Study: The Watzek House

Infiltration & Conduction

Adrienne Hill + Jenny Thurman

After our first visit to the Watzek house, we discussed the different factors, which contribute to the thermal characteristics of the house and decided our focus would be on infiltration and conduction through the building envelope. It seemed that the house was old, yet well constructed, and we were curious as to how much heat was lost due to air leaking out of (or into) the building, as opposed to the amount of heat that was lost through conduction. Rather than attempting to analyze the entire house, which would have been too large a task for two people, we focused on two rooms- the living room and dining room instead.

Vital Signs Case Study: Infiltration & Conduction

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Counterclockwise from left: Adrienne, Mark, and Jenny getting the perfect fit to insure accurate testing; the blower door apparatus in place; after all that hard work it's time for a nap; using the puffer gun to test for infiltration at the edges of the room.