20170811164926.pdfDocuSign Envelope ID: OFA4162F-E34F-4CB4-8A84-F71228AOD733
1 25'1 low Ur.
8 11 st AVE WEST
SITE PLAP
Ray & Maria Ho
20222 81st Avenue V�
.026
Edmonds WA 98
DocuSign Envelope ID: OFA4162F-E34F-4CB4-BA84-F7122BAOD733
House Characteristics
Heated Floor Area (sq.
1,900
Window Area (sq.ft.)
Foundation Type
Stories Above Grade
300
Heated Basement
2
W
Insulation
Attic
Wall
Levels
Attic R-7
R-7
Vented Crawlspace W/Ducts R-0
1W
Basement Wall
2' Below Grade R-0
Uninsulated
1W
IiT- -
"WindowType Double Pane w/ Metal Frame
1W
Whole House
lInfiltration Level
Air Leakage
0.45 ACH (normal)
'W
Duct Tightness (ducts
FD,7t Tightness
must be insulated)
All Ducts Inside
Selected Heat
Manufacturer
Pump Unit
LENNOX
Outdoor Unit Model Number
XP14-036
Balance point @ 17*F (BTU)
20800
Balance Point @ 47*F (BTU)
lob Information
33200
Contractor Company
MM COMFORT SYSTEMS
Project Name
Project Address
Heat Pump Sizing Worksheet
(Printed 7/31/2017)
Result
House UA (btu/hr/degF)
893
Result
Balance Point (deg F)
Auxiliary Heat
37
13
70000
60000
50000
40000
ms
30000
20000
10000
0
0
Revision Date 10/31/16
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PUBLIC LITILITY DISTrICT NID- ,
10 20 30 40 50
Temperature
Insulation Terms: GB = Gypsum Board, EWD = Exposed Wood
Deck
60 70
Print