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TOOLBOX of a CERTIFIED PASSIVE HOUSE CONSULTANT PHPP, Solar Pathfinder, WUFI, THERM Slide 2 1) Energy Model, The Passive House Planning Package Slide 3 2) Shading Analysis, the Solar Pathfinder Slide 4 3) Moisture/Mold Risk, WUFI-ORNL Slide 5 4) Thermal Bridge Analysis, THERM Slide 6 OUR PROJECT Slide 7 A Passive House = 4.75 kBTU/ft.2/yr Slide 8 1) The Whitchurch PH Cottage, 4.35 kBTU/ft.2/yr Slide 9 Conventional Build, same design 90.94kBTU/ft.2/yr Slide 10 Heating load on coldest days= 5,096BTU/hr= 1494 Watts= Heating system equivalent to 15, 100W light bulbs Slide 11 THE CERV Slide 12 2) Use the solar pathfinder to determine shading conditions at future location of windows Slide 13 Proper Orientation Slide 14 -16 Degrees from magnetic north Slide 15 3) WUFI Hygrothermal Analysis Slide 16 WUFI-ORNL, vented roof 7 yr. Slide 17 WUFI-ORNL, unvented 7 yr. Slide 18 WUFI Pro 10-Year Initial Dry-out Slide 19 Shows Over 20% Moisture Content In Winter Of 1 st Year Slide 20 Thermal Bridge Free=