PHPP-IP | Course I - 3 - Opaque Areas

Page 1

2021

Up and Running with the Passive House Planning Package (9.7 IP) Module 1 | Class 3 | Surface Exposure

Q: How do you calculate annual the heat loss of a surface? A: QT-srfc = Areasrfc (

In 1. 2. 3. 4.

ft2

)

U-Valuesrfc ( Btu /

hr-ft2-F

)

ft (%)

Gt ( kFhr / yr)

order to calculate the transmission heat loss for each surface of a building, we need to: Determine the surface area Determine the surface’s U-Value Determine the temperature correction factor Determine the annual difference in temperature between inside and outside

bldgtyp | NYPH

NYPH: Up and Running with PHPP

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