We’re really talking “homemade” here: calibrated laundry baskets and garbage bags. It’s not a big monetary investment, which makes it accessible to most residential contractors, said the re-searchers. They hope that contractors will, therefore, take such measurements more often, and that homeowners will act on their recommendations.
Iain Walker, Ph.D. and Member ASHRAE, is a staff scientist from Lawrence Berkeley National Laboratory (LBNL), Berkeley, Calif., who presented “Evaluation of Flow Capture Techniques for Measuring HVAC Grille Airflows.” He co-authored the paper with LBNL scientist Craig Wray.