blower door test NORTH EAST BUILDING PERFORMANCE ADVISORS
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Serving the Capital-District, Saratoga and Adirondack Regions
May 10, 2019 7 Rocky Ridge, Warrensburg,NY 12885
Foothill Builders LLC
9 Mountainside Drive
Queensbury,NY 12804
RE: Blower Door Test for NYS Building Code,
Mr. Joseph Leuci:
After inspection of the New 1 Story Home at 61 John Clendon Rd, Queensbury,New
York and completion of a Blower Door Test consistent with the practice of
depressurization.to 50 Pascal in a winter condition with the exterior windows and.
doors shut and the interior doors to all the rooms open,my observations are as
follows:
❖ This home tested passed the current New York State Building Code for Air Changes
per Hour @ 50 Pascal of less than or equal to 3 ACW50 (for Homes permitted after
November 1st, 2016). The tested number is 2.916 ACH/50 Pascal.
❖ The total volume of conditioned space at 61 John Clendon Rd is 24,445 cubic feet
taking into consideration all conditioned space in the home. The cubic feet per
minute @ 50 Pascal was 11.88 CFM/50. The height correction factor for New York
State is 19 for a one story building, as such the tested home.@ 61 John Clendon Rd
has the natural rate of air exchange of 0.1535 air changes per hour/natural or 62.5 cfin
natural infiltration credit based on the blower door test.
❖ In the latest(2013)version of ASHRAE 62.2,high-performance homes need to be
ventilated at 7.5 cfin per bedroom+ 1, plus 3 cfm per 100 square feet. That means for
3+1 bedrooms it would need 4 times 7.5 cfin for 30 cfm+ 1422 sq ft/100 times 3
cfm--43 cfm for 73 cfm total. It would also be advantageous to use the bathroom and
kitchen fans to help control humidity and improve indoor air quality.
•3 My credentials are as follows:
➢ BPI Certified Building Analyst
➢ BPI Certified Envelope Specialist
➢ BPI Certified Heating Professional
❖ If you have any questions regarding my findings please feel free to contact me.
Sincerely,
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1.888.472.2774
7 Rocky Ridge Road 4A Vatrano Drive
Warrensburg,NY 12885 Albany,NY 12205
Phone (518)623.7016 Phone (518)350.2941
Fax (518)623.7015 Fax (518)694.0102