REVIEWED BLD2022-0877+Energy_Calculations+7.7.2022_10.04.01_AM+2974999BLD2022-0877 RECEIVED
Jul 07 2022
DMONDS
Simple Heating System size: Washington State CILOPMTY OF ETSERVI
DEVELOPMENT SERVICES
Based on Prescriptive requirements of the 2018 WSEC DEPARTMENT
Project Information Jewell Residence 946 Maple St Edmonds WA 98020
Contact Information Al Cohen, Architect 330 Dayton St #6 Edmonds WA
Heat System FOR COMMON AREA ONLY IN EX GARAGE
Design Temperature Edmonds Design Temp Difference Dt 59
Building Cond. Floor Area 116 Ave Ceiling Height in Ft 8
Conditioned Vol in Cu Ft 928
Duct Leakage Coefficient 1.0 (Ducts in Conditioned space)
Item Description U-Factor x Area = UA
New Windows Vinyl 2 GI Low E Arg
Ex windows Vinyl 2 GI
Ex Glass Block
Doors SC Wood
French Doors 2 GI Low E Arg
Skylights 12 GI Low E AI-6
0.280
12
3.36
0.300
0.580
0.460
21
9.66
0.280
0.500
Roof (deck) Rigid R-38
Ex Roof R-19
New Roof R-49
0.031
0.049
0.027
New Floor Slab Fully Insul R-10 F=
Ex Floor Joist floors R-11 Batts
Ex Floor Slab @ grade R-0 F=
Ex Floor Slab @ 2' below R-0 F=
0.360
0.056
0.730
41
29.93
0.580
New Wall below Grade 2x4 R-15
New Wall at Grade 2x6+4 R-36
New Wall above Grade 2x6 R-21
Ex Wall above grade 2x4 R-11
Ex Wall below Grade 2x4 R-5
0.076
0.033
0.054
295
15.93
0.088
1 0.066
Sum of UA = 58.88
Envelope Heat load
3474
UA x Dt
Air Leakage Heat Load
591
Vol x 0.6 x Dt x 0.018
Design Heat Load
4065
EHL + ALHL
Heat Load
4065
DHL x 1.0
Convert Btu / hr to electric Watts:
1191
Btu per hr / 3413
KW * 1.5 max:
1,786
Proposed Electric In -Wall heater 150OW