Ventilation in the 2019 California Energy Code

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Ventilation in the 2019 California Energy Code

It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ...

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Ventilation in the 2019 California Energy Code

Author: Rick Karg
June 03, 2019

It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ... [continue reading]

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Pimp My Blower Door Kit: Blower Door Makeover

Author: Greg Labbe
April 30, 2012

In these tough economic times, it's appropriate to invest time in repairing and maintaining things, to make manufactured goods last longer and to save money. Besides, it feels good to repair something yourself, and working ... [continue reading]

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Blower Door Testing in Multifamily Buildings

Author: Don Hynek
September 01, 2011

In the past, blower door testing in apartment buildings had its obstacles -- difficulty, expenses, and uncertain payoff. Well, not anymore. See why these reasons no longer apply for most U.S. buildings. [continue reading]

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Measuring Leakage in Multifamily Buildings

Author: Colin Genge
September 03, 2007

Controlling the flow of air through the exterior building enclosure is critical. But controlling the flow of air between suites and common spaces within the building is also important. [continue reading]

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An Easier Way to Measure Duct Leaks

September 01, 2002

Finally, a duct leakage measurement that HVAC contractors might even love. [continue reading]

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The Current State of Duct Leakage Measurement: Field Evaluation of Five Methods

March 01, 2001

A study of test methods for duct leakage revealed that there is room for improvement in this evolving field. [continue reading]

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The History of the Blower Door

November 01, 1995

The blower door as we know and love it today springs from technology first used in Sweden in 1977, where it was actually a blower window. [continue reading]

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User-Friendly Pressure Diagnostics

September 01, 1994

Using pressure measurements to find and quantify air leakage in houses has been a hot topic over the past two years. Packed sessions at recent conferences are testimony to the intense interest these techniques are generating in the weatherization community. [continue reading]

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Is Energy Efficiency an American Value?

Jim Gunshinan

Is Energy Efficiency an American Value?

Energy efficiency is good for the economy, good for families, good for workers, and good for the environment.

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