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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
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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]
Pimp My Blower Door Kit: Blower Door Makeover
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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]
Blower Door Testing in Multifamily Buildings
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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]
Measuring Leakage in Multifamily Buildings
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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]
An Easier Way to Measure Duct Leaks
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Finally, a duct leakage measurement that HVAC contractors might even love. [continue reading]
The Current State of Duct Leakage Measurement: Field Evaluation of Five Methods
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A study of test methods for duct leakage revealed that there is room for improvement in this evolving field. [continue reading]
The History of the Blower Door
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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]
User-Friendly Pressure Diagnostics
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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]
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.
Kristina Frunze
Which Refrigerant Has The Lowest GWP?
As you probably know, 2020 will see the Environmental Protection Agency (EPA) implementing stricter rules concerning refrigerants in the United States. ...
