REVIEWED BLD2022-0132+Energy_Calculations+2.1.2022_4.30.49_PM+2655458BLD2022-0132 RECEIVED
simple Heating system size: wasnington state
This heating system sizing calculator is based on the Prescriptive Requirements of the 2018 Washington State Energy Code (WSEC) and ACCA Manua s
J and S. This tool will calculate heating loads only. ACCA procedures for sizing cooling systems should be used to determine cooling IooOE LO M EDMONDS
ELOPMENT SERVI(
DEPARTMENT
Please complete 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 contact the WSU Energy Program at
energycode@energy.wsu.edu or (360) 956-2042 for assistance.
Project Information Contact Information
Emily Tomkinson Kueger Krafting
22903 76th Ave. W .116 Greg Krueger
Edmonds, WA 98026 206 819 2710
Heating System Type: All Other systems Q Heat Pump
To see detailed instructions for each section, place your cursor on the word 'Instructions" REVIEWED
Design Temperature BY
Instructions Design Temperature Difference (AT) CIT2V OF EDMONDS
Edmonds OT = Indoor (70 degrees) - Outdoor Design Temp
Ar-- of building
Conditioned Floor Area
instrucuons Conditioned Floor Area (sq ft)
2,033
Average Ceiling Height
Conditioned Volume
Instructions Average Ceiling Height (ft)
8.0
16,264
Glazing and Doors
U-Factor
X Area =
UA
Instructions
U-0.22
.
0.220
254
55.88
Skylights
U-Factor
X Area =
UA
Instructions
0.50
Insulation
Attic
U-Factor
X Area =
UA
Instructions
R-49
•
0.026
2,033
52.86
Single Rafter or Joist Vaulted Ceilings
U-Factor
X Area
UA
Instructions Select R-Value
•
No selection
F
---
Above Grade Walls (see Figure 1)
U-Factor
X Area
UA
Instructions
R-211ntermediate
•
0.056
1,712
95.87
Floors
U-Factor
X Area
UA
Instructions
0.025
2,033
50.83
R-38
•
Below Grade Walls (see Figure 1)
U-Factor
X Area
UA
Instructions
Select R-value
L•
No selection
---
Slab Below Grade (see Figure 1)
F-Factor
X Length
UA
Instructions
Select conditioning
.
No selection
---
Slab on Grade (see Figure 1)
F-Factor
X Length
UA
Instructions
Select R-Value
No selection
Location of Ducts
Instructions
Duct Leakage Coefficient
Unconditioned Space
•
1.10
Sum of UA
255.44
Envelope Heat Load 11,750 Btu/Hour
Figure 1. Sum of UA x AT
Air Leakage Heat Load 8,080 Btu / Hour
Volume x 0.6 x AT x 0.018
Above Grade Building Design Heat Load 19,830 Btu/Hour
Air leakage + envelope heat loss
Building and Duct Heat Load 21,813 Btu/Hour
Ducts in unconditioned space: sum of building heat loss x 1.10
Ducts in conditioned space: sum of building heat loss x 1
Maximum Heat Equipment Output 30,538 Btu / Hour
Building and duct heat loss x 1.40 for forced air furnace
Building and duct heat loss x 1.25 for heat pump
(07/01/13)