1992, 03-30 Ventilation LetterNORTH 601 EVERGREEN
P 0 BOX 630
ERADAL. E, VbASN/NG TON 9903'-06.30
92,30
March 30, 1992
Marty Robinson
Department of Buildings
North 811 Jefferson
Spokane, WA 99260-0180
Dear Marty: 2202-
The dwelling structure ( South Sonora) listed on the
.:2'� the
attached information packet has been reviewed by
undersignedrn the meets
Compone t SUPER
PerfoGOOD
rmanceCENTS/WSEC
approach uausing tthe
ion
criteria
Po
f
WATTSUN5 Computer Program.
In order
tito meet the SUPER at on requirements mOD t beCENTS met C WSEC specifications, all
WSEC ven
Sincerely,
VERA WA & \ OWER
Michael DeVleming, tirector
Energy Management S-rvices
enclosure
WATTUN 5.2 SUPER GOOD CENTS (1991 MCS) COMPLIANCE REPORT 03/26/92
FILE: C:\WATTSUN5\KM#301.W5
HOUSE ID: KM#301
So "Or a.
Site: 2202 SOUTH
VERADALE, WA 99037
( ) -
Homeowner:
Builder:
Analyst: MICHAEL DeVLEMING\ I1)
Jurisdiction: SPOKANE COUNTY r�
Utility: VERA WATER & POWER
14+9
z
House Type: Single Family
Floor Area: 2824 ft2
Weather Data: Spokane, WA
Climate Zone: 2
-367
The PROPOSED design QUALIFIES for SGC(91 MCS) Tier 1.
COMPONENT PERFORMANCE
ENERGY BUDGET
REFERENCE
493
5.04
PROPOSED
482 Btu/hr-F
5.15 kWh/ft2-yr
REFERENCE DESIGN
Component Description
Reference
Value X
Area = UA
BG Wall 3.5' R21
BG Slab 3.5'
Floor
Glazing @15%
Doors
AG Wall
Ceiling, Attic
Ceiling, Vault
Infiltration
batt 3.5' w/TB
R30 vented joist
0.35 U -value
Metal R5 base case
R21+R5 ADV
R49 blown Attic ADV
R38 batt vault vented
Standard air sealing
U-0.038
F-0.627
U-0.029
U-0.350
U-0.190
U-0.041
U-0.020
U-0.027
ACH-0.350
588 22.3
168ft 105.3
44 1.3
423.6 148.3
38.0 7.2
1586 65.0
621 12.4
825 22.3
18000ft3 109.0
Reference UA
493
PROPOSED DESIGN COMPONENTS
Component Description
Value X Area = UA
BG Wall
BG Slab
Floor
**R-19 + R-7 INTERIOR SHEET 3.5'
**
R30 vented Joist 16oc
U-0.030
F-0.480
U-0.029
588 17.6
168ft 80.6
44 1.3
Items in parentheses not included in COMPONENT PERFORMANCE totals.
** Denotes non-standard values - check calculation of thermal value.
* Denotes adjusted UA to reflect 7-1/2 mph wind speed.
Page 1
WATTSUN 5.2
SUPER GOOD CENTS (1991 MCS) COMPLIANCE REPORT 03/26/92
HOUSE ID: KM#301
FILE: C:\WATTSUN5\KM#301.WS
Glazing @12% **2 -GLAZE, VINYL FIXED W/ARGON-WP
**2 -GLAZE, VINYL SLIDER W/ARGON-WP
**2 -GLAZE, PATIO SLIDER/ARGON-WP
Doors Metal R-5 base case
AG Wall R19 INT T1-11
R19 INT Lap Wood
Ceiling R38 blown Attic STD baffled
R38 batt Vault vented 2x14 16oc
Infiltration Standard Air Sealing
Struc Mass
U-0.380
U-0.350
U-0.440
U-0.190
U-0.061
U-0.058
U-0.031
U-0.027
ACH-0.350
111.0 41.1*
197.0 67.0*
40.0 16.8*
38.0 7.2*
1296 79.1
366 21.2
621 19.3
825 22.3
18000ft3 109.0
Proposed UA
Light Frame, Sheetrock walls M- 3.000
Slab w/carpet w/pad, Sheetrock wall M- 5.000
1434
1390
482
4302
6950
HEATING/COOLING/VENTILATING SYSTEMS
Heating System Type:
Make:
System Efficiency:
Modified Efficiency:
Design ACH:
Heating Load(at 66F dt):
System Size:
Maximum Size @150%:
Auxiliary:
HP Balance Point:
Average Annual Heat:
Annual Cost:
Ventilation System:
Cooling Load(at 12F dt):
Recommended Size @125%:
PROPOSED
Heat Pump: Air Source
HP Air Source Default
6.8 HSPF
174 %
0.60
38211
29.9
16.9
16.8
8.0
27
Btu/hr
kBtu/hr at
kBtu/hr at
kW
kW
F
10133 kWh
$ 385
Integrated w/Forced
Air Furnace
37051 Btu/hr
4.3 tons
Solar Access: Partially Shaded
47F
17F
PROPOSED DUCT SYSTEM
SUPPLY
RETURN
Location Avg Rvalue
Surface Area
All in heated space
All in heated space
R- 8.0
R- 8.0
564.8 ft2
113.0 ft2
Page 2
WATTSUN 5.2
SUPER GOOD CENTS (1991 MCS) COMPLIANCE REPORT 03/26/92
HOUSE ID: KM#301
FILE: C:\WATTSUN5\KM#301.WS
GLAZING ORIENTATION
South:
Southeast:
East: 179.0
Northeast:
PROPOSED
16.0 ft2
North:
Northwest:
West:
Southwest:
PROPOSED
16.0 ft2
137.0
Economic and energy consumption estimates are designed for comparative
purposes only. Actual cost for heating will vary depending on weather
conditions, occupant lifestyle and other factors.
Page 3