2012, 02-21 Duct Leakage AffidavitIV'tSHINGI{)NSTATE UNIVERSITY
11:.1140
EXTENSION ENERGY PRt3GRAN
Permit #:
House address or lot number:
City: SQ0 1Cc-tc.4 e -
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Duct Leakage Affidavit
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Zip:
Cond. Floor Area (ft2): 1-7 70 Source (circle one): t; Plans Estimated Measured
❑ Duct tightness testing is not required for this residence per exceptions listed at the end of this document
Air Handler in conditied Space? ❑ yes Eno
Air Handler present during test?X. yes ❑ no
Circle Test Method: ' Leakage to Outside otal Leakage
Maximum duct leakage:
Post Construction, total duct leakage: (floor area x .08) = CFM@25 Pa
Post Construction, leakage to outdoors: (floor area x .06) = CFM@25 Pa
Rough -In, total duct leakage with air handler installed: (floor area x .06) = iO€ CFM@25 Pa
Rough -In, total duct leakage with air handler not installed: (floor area x .04) = CFM@25 Pa
Test Result: / 0 t CFM@25Pa
1i
Ring (circle one if applicable):
Open
1
2
3
Pressure Tap Location: S%^Q Qcr 1c" --t 1-1 L gl.
I certify that these duct leakage rates are accurate and determined using standard duct testing protocol.
Company Name: Technician: &Gi ca t) e y
Duct Tester Location: frv- r tok L €
Technician Signature:
Date: Z�Z la-- Phone Number: 2 O$ Gf:3 t.0 7o1
Washington State Energy Code reference:
503.10.3 Sealing. All ducts; air:handlers, filter boxes, and building cavities used as ducts shall be sealed. Joints and seams shall comply
with Section M1601.3 of the'Infemational Residential Code o,.t 03.9 of the Intemational Mechanical Code. Duct tightness testing shall be
conducted to verify that ttfe k.ts atet sealed. A sjgned affi • locumenting the test results shall be provided to the jurisdiction having
authority by the testing agg required by r�,- buy'!di ficial a test shall be conducted in the presence of department staff.
Exceptions: 1. Duct tight_ ss snot requir. 'f;th ""a • ndler d all ducts are located within conditioned space.
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2. Duct testitt is
A maximum of six to
shall be within the%t
insulated on the bid
earth.
t vent type combustion appliance installed in an unconditioned space.
r*ditioned space is allowed. All additional supply and return ducts
conditioned space shall be sealed with a mastic type duct sealant and
de ducts and R-5 water resistant insulation when within a slab or