New Blower Door Tax Incentives/Fiscal Benefits in the Netherlands
A blower door test is a way to measure the air permeability of buildings. The test is used to measure air infiltration, air leakage, and general air tightness in a…
Nashville Update Its Building Code to IECC 2018
Beginning December of 2020, the Nashville TennesseeĀ area will update its building code to the IECC 2018. This means a blower door and duct leakage test will be required for all…
Quality of the Highest Standard: Hereās What That Really Means
Building and HVAC performance testers around the world rely on calibrated fans and pressure gauges to determine the construction quality of building envelopes, duct systems, and other building components. These…
Air Tightness Testing Comes of Age
Blower doors andĀ duct testers have become important tools for high-performance builders. A longtime industry veteran looks a how we got here and what’s next. This is the first of what…
A Brief History of Retrotecās Involvement with Home Performance
In 1980 I calibrated the fledgling Retrotec Energy Innovations Ltd.ās blower door at the National Research Council (NRC) in Ottawa, Canada.Ā It used RPM and pressure drop to crudely measure…
The RESNET 380 Standard
As you may have heard, the RESNET 380 standard will replace RESNET Ch. 8 which dictates how raters test homes for envelope leakage, duct leakage, mechanical ventilation, and duct system…
Commercial Apartment Air Barrier Testing
Published in TAB Journal Summer 2017 and written by Denny Whitzel, TBE, CxA Pacific Coast Air Balancing. View the original article here. As required by Washington State Code, all commercial…
Wohler Retrotec, Inc.
Retrotec is excited to reveal that the deal between Retrotec Inc. and Wƶhler Technik, a technology applications company, is finalized! The new company, āWohler Retrotec, Inc.ā continues to do business…
Making Sense of Leakage to the Outside
Written by Stacie Bagnasco In California the California Energy Commission [CEC] aka Energy Standards, provide two basic methods for complying with low-rise residential energy budgets: the prescriptive approach and the…
Video Interview: Testing Results in the Cloud
Our own Kirsten Richnavsky, a RetrotecĀ Technical Sales Representative, was pleased to be interviewedĀ at the NCBPA Conference in Raleigh, NC.Ā Ā In this interview, Kirsten highlights factors that make Retrotec the industry leader,…