7806 19TH DR SE 2018-02-27 - Laserfiche WebLink

Simple Heating System Size: Washington State This heating system sizing calculator is based on the Prescriptive Requirements of the 2012 Washington State Energy Code(WSEC)and ACCA Manuals J and S.This calculator will calculate heating loads only.ACCA procedures for sizing cooling systems should be used to determine cooling_ loads. The glazing(window)and door portion of this calculator assumes the installed glazing and door products have an area weighted average U-factor of 0.30. The incorporated insulation requirements are the minimum prescriptive amounts specified by the 2012 WSEC. Please fill out all of the green drop-downs and boxes that are applicable to your project.As you make selections in the drop-downs for each section, some values will be calculated for you.If you do not see the selection you need in the drop-down options,please call the WSU Energy Extension Program at(360)956-2042 for assistance. Project Information Contact Information Kin'2435 Heating System Type: To see detailed instructions for each section,place your cursor on the word'Instructions". Design Temperature Instructions W-- Design Temperature Difference(AT) 46 nwood • AT=Indoor(70 degrees)-Outdoor Design Temp Area of Building Conditioned Floor Area instructions Conditioned Floor Area(sq ft) 2,435 Average Ceiling Height Conditioned Volume Instructions Average Ceiling Height(ft) 8.5 20,698 Glazing and Doors U-Factor X Area = UA Instructions 0.30 ;,_� �;� 131.40 Insulation Attic U-Factor X Area = UA Instructions R 49 0.026 9911 25.90 Single Rafter or Joist Vaulted Ceilings U-Factor Area UA Instructions ons No Vaulted Ceilings in this project • Above Grade Walls(see Figuret) U-Factor Area UA Instructions 0.056 2,500 140.00 Floors U-Factor Area UA Instructions -` " ` ` 0.029 '. 470 13.63 . R-30 �, • Below Grade Walls(see Figure 1) U-Factor Area UA Instructions No Below Grade Walls in this project. Slab Below Grade(see Figure 1 F-Factor Length UA Instructions "µ -- No Slab Below Grade In this project '► Slab on Grade(see Figure 1) F-Factor Length UA Instructions 0.540 82 44.28 R-10 Perimeter • Location of Ducts Instructions �•. — ._; Duct Leakage Coefficient Unconditioned Space1.10 Sum of UA 355.21 Envelope Heat Load 16,339 Btu/Hour Figure 1. sum of UAXAT Air Leakage Heat Load 10,283 Btu/Hour .4111111111111111101..- Volume X 0.6 X AT X.018 Building Design Heat Load 26,622 Btu/Hour ,,,„ Air Leakage+Envelope Heat Loss .•�^ Building and Duct Heat Load 29,284 Btu/Hour Dusts in unconditioned space:Sum of Building Heat Loss X 1.10 :71)Ducts in conditioned space:Sum of Building Heat Loss X Maximum Heat Equipment Output 40,998 Btu/Hour Building and Duct Heat Loss X 1.40 for Forced Air Furnace y, Building and Duct Heat Loss X 1.25 for Heat Pump t / (07/01/13)