Get Jefferson Parish Blower Door Testing Reporting Form - Selacaci

The average blower door test result depends largely upon the age of the home, the insulation levels, and the age of the windows and doors. Generally, a new home should test less than 3.5 ACH50, as the insulation levels and efficiency of the windows/doors would make for a fairly airtight home.

Without a passing test, most jurisdictions will not issue an occupancy certificate. It's beneficial to pass a test the first time. There are a few ways to almost guarantee a passing test. The best way is to understand where houses leak air and design an air sealing strategy with that in mind.

For an average home, between 500 and 1,500 CFM50 is considered “tight.” A home with CFM50 greater than 1,500 may benefit from air sealing.

The blower door test takes the guess work out of detecting air leaks in a structure; however, most contractors would like to pass the blower door test the first time. It is estimated that 50% of newly constructed homes will fail the blower door or air-tightness test.

10 Steps for Conducting a Blower Door Test Confirm that all open-flame areas are extinguished and dampers are closed. ... Create an airflow path. ... Turn off any gas appliances. ... Mount the blower door into one of the exterior openings. ... Take an outdoor pressure reading. ... Turn on the fan and run the test. ... Inspect for leaks.

The auditor will need to close all exterior doors and windows, open all interior doors, and close any fireplace dampers, doors, and woodstove air inlets. If you heat with wood, be sure all fires are completely out - not even coals - before the auditor arrives. Remove any ashes from open fireplaces.

ing to The Pennsylvania Housing Research Center the following are basic guidelines for the ACH50 results: ACH50 less than 5.0 – Tight House. ACH50 between 5.0 and 10.0 – Moderate House. ACH50 above 10.0 – Leaky House.

The average blower door test result depends largely upon the age of the home, the insulation levels, and the age of the windows and doors. Generally, a new home should test less than 3.5 ACH50, as the insulation levels and efficiency of the windows/doors would make for a fairly airtight home.