REVIEWED BLD2021-0171+Energy_Calculations+1.29.2021_12.26.39_PM+2021221bimme Heatina bmem bite: wasnlnaton State
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
JOHNSON RESIDENCE
H2D ARCHITECTURE & DESIGN
71
19726 88TH AVE W, EDMONDS, WA 98026
HEIDI HELGESON: 206-542-3734
CORYPJOHNSON@GMAIL.COM
HEIDI@H2DARCHITECTS.COM
Heating System Type: O All Other Systems ® Heat Pump
To see detailed instructions for each section, place your cursor on the word 'Instructions".
Design Temperature
Instructions Design Temperature Difference (AT)
I tlmands AT = Indoor (70 degrees) - Outdoor Design Temp
Area of Building
Conditioned Floor Area
Instructions Conditioned Floor Area (sq ft)
2,920
Average Ceiling Height
Conditioned Volume
Instructions Average Ceiling Height (ft)
8.0
23,360
Glazina and Doors
U-Factor
X Area =
UA
Instructions
L u-o za
0.280
304
85.06
Skylights
U-Factor
X Area =
UA
Instructions
0.50
27
13.40
Insulation
Attic
U-Factor
X Area =
UA
Instructions R-49
IV
0.026
1,622
42.17
Single Rafter or Joist Vaulted Ceilings
U-Factor
X Area
UA
Instructions R-38 Vented
0.027
681
18.40
Above Grade Walls (see Figure 1)
U-Factor
X Area
UA
Instructions
R-21 Intermediate
i
0.056
2,880
161.29
Floors
U-Factor
X Area
UA
Instructions
Select R-Value
No selection
Below Grade Walls (see Figure 1)
U-Factor
X Area
UA
Instructions
0.042
F 343
14.42
R-21 Interior
Slab Below Grade isee Fioure v
F-Factor
X Length
UA
Instructions
No Slab Below Grade in this project.
�
0.303
---
Slab on Grade (see Fioure v
F-Factor
X Length
UA
Instructions
�70
0.540
209
112.75
Perimeter
Location of Ducts
Instructions
Duct Leakage Coefficient
Conditioned Sparse
1.00
Sum of UA
447.49
Figure 1.
Above Grade
46
Envelope Heat Load
20,584 Btu / Hour
Sum of UA X AT
Air Leakage Heat Load
11,605 Btu/Hour
VolumeX 0.6XATX.018
Building Design Heat Load
32,190 Btu/Hour
Air Leakage + Envelope Heat Loss
Building and Duct Heat Load
32,190 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
40,237 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
(07101113)