blower doorBPI CERTIFIED BUILDING PERFORMANCE CONTRACTOR
|aN |DONC AR
FERGUSON DRYWALL INNOVATIONS INC.AINE DE =MENT
Myron R.Ferguson ean7394WileytownRd,Middle Grove,NY 12850 |@0-25(2,
518,248-4147(c)/myron@thatdrywallguy.com
ae lec LZ ne l House square footage_4270
7§_dverlok Drive House cubic footage4¥092
Queensbury WI
Blower Door Test Results:
ACHSO measured results_2.44 Energy code required results ACHSO 3.0 Pass‘Fail__
CFMS50 measured results 22 60 When calculated out to ACHSO (air exchanges per hour at
negative 50}the number has to be 3 ACHSO or lower to meet the energy code.Your measured number
translates to_«/4_ACHn (air exchanges per hour under natural conditions)
The calculated BAS (building airflow standard)for your hme is34GO_CFMSO.BAS is the calculated
minimum required airflow for a building and its occupants.Mechanical ventilation is required if the
measured CFMSO is less than 70%of the BAS.70%of 3460_is 2 772so mechanical ventilation is
required.
The cfm (cubic feet per minute)air exchange recommended for your house is 2 5 7.your air exchange
system should be set to exchange that amount of air.
Signature of Testing contactor
NyseRFtegesoeesmynR.Ferguson 42-20/4
As suspected your house is very tight.Tighter than required my the new energy code.As explained
above you need to have a ventilation system.