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 ...
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]
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]
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]
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]
Finally, a duct leakage measurement that HVAC contractors might even love. [continue reading]
A study of test methods for duct leakage revealed that there is room for improvement in this evolving field. [continue reading]
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]
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]
Author Cory Chovanec, from Slipstream, Incorporated, pointed this out, regarding the cover photo for the Winter 2019 Home Energy:
The past year has seen many developments in HVAC technology and the industry as a whole. For contractors, understanding these ...