Do I need to temporarily seal registers and grills when doing a Duct Leakage to Outside test?
I did a Duct Blaster® test with the wrong ring setting on my DG-700. Is there a way to calculate the correct reading?
Is it normal to see a difference between the total duct leakage and duct leakage to the outside numbers?
How to clean a Duct Blaster® of the residue from a glycol-based smoke generator or fogger
Very low flow at -50: Use the blower door or the Duct Blaster?