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Blower Door Report 77 Round Pond Rd, Foothills Builders LLC NORTH EAST BUILDING PERFORMANCE ADVISORS Serving the Capital District, Saratoga and Adirondack Regions November 5, 2020 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 77 Round Pond Road, 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 ACH/50 (for Homes permitted after st November 1, 2016). The tested number is 2.998 ACH/50 Pascal. The total volume of conditioned space at 77 Round Pond Road is 16931.2 cubic feet  taking into consideration all conditioned space in the home. The cubic feet per minute @ 50 Pascal was 846 CFM/50. The height correction factor for New York State is 14 for a two story building, as such the tested home @ 77 Round Pond Road, has the natural rate of air exchange of 0.214144 air changes per hour/natural or 60.4 cfm natural air 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 cfm per bedroom + 1, plus 3 cfm per 100 square feet of living space. That means for 3+1 bedrooms it would need 1352 sq ft/100 times 3 cfm= 40.6 cfm + 30 cfm or 70.6 cfm total. That leaves a deficit of 10.2 cfm. It would be advantageous to set or run the HRV at 10 cfm continuous or a higher air flow rate to make up the deficit and help control humidity and improve indoor air quality in the heating season. 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, Jack Towne 518-796-1929 7 Rocky Ridge Road 4A Vatrano Drive Warrensburg, NY 12885 Albany, NY 12205 Phone (518)623.7010 Phone (518)350.2941 Fax (518)623.7015