HomeMy WebLinkAbout2011, 08-26 Duct Leakage AffidavitEnergy Cede
S It p f) a rt
Duct L,cnk&g4 Affiduvii.
emit #: g
House address or lot number: i / v i -`c470) r d
City: 0 1 f— Vl k6
Cond. Floor Area (ft2): l r ' 0
WASHINGTON STATT UNIVERSITY
rjjtxt&NSION thiititr,r PNoi,dWM
3:33
Zip:
Source (circle one).
Estimated Measured
❑ Duct tightness testing is not required for this residence per exceptions listed at the end of this document
Air Handler in conditioned space? IJ yes ❑ no Air Handler present during test? jgyes ❑ no
Circle Test Method:
Maximum duct leakage:
P st Construction, total duct leakage: (floor area x .08) = ( 55 CFM@25 Pa
6
Post Construction, leakage to outdoors: (floor area x .06) = 1 1 CFM@25 Pa
Rough -in, total duct leakage with air handler Installed: (ffoor area x .06) ` i f 6` CFM@25 Pa
Rough -In, total duct leakage with air handler not installed: (floorarea x .04) ' 7 CFM@25 Pa
Leakage to
Total Leakage
Test Result: 1 Q /7 CFMQ25Pa
Ring (circle one if applicable): Open 1 2
Duct Tester Location: gdtn rri •UPSl (5 Pressure Tap Location: k2 ,t.rrl Supt/
I certify that these duct leakage rates are accurate and determined using standard duct testing protocol.
Company Name: Technician:
Technician Signature: Date: 24 Phone Number:
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 International Residential Code or 603.9 of the International Mechanical Code. Duct tigninoss testing shau be
conducted to verify that the ducts are sealed, A signed affidavit documenting the test results shall be provided to the jurisdiction having
authority by the testing agent. When required by the building official, the test shall be conducted in the presence of department staff
•Exceptions: 1, Duet tightness test is not required if the air handler and all ducts are located within conditioned space.
2. Duct testing is not required if the furnace is a nondirect vent type combustion appliance installed in an unconditioned space,
A maximum of six feet of connected ductwork In the unconditioned space is allowed. All additional supply and return ducts
shall be within the conditioned space. Ducts outside the conditioned space shalt be sealed with a mastic type Juc1 sealant and
insuleted on the exterior with R-8 Insulation for above grade ducts and R -a water resistant insulation when within a slab or
earth
L d 711ACC7JFinct
iebiuet,pen Jt ASI
e6£ 60 U. 6Z b V
10/17/2011 13:11 5094740320
INTERMOUNTAIN WEST
PAGE 02/02
�YA•`ulk"','':lV l''ilY:'ii,'s+ti'+.1' i':'.!�? ":a::l,L`
YY.