How to Pass Whole House Fan Inspections

How to Pass Whole House Fan Inspections

Whole house fans (WHF) have been around for decades, but the 2022 California Energy Code now requires them to be tested in Climate Zones 8 through 14 (1). In 2022, VCA tested hundreds of these fans in newly constructed housing and encountered many issues with getting...

Energy Code Update – California and City of LA Ordinance

Energy Code Update – California and City of LA Ordinance

It seems like everyone’s talking about California’s changes to Title 24, Part 6 (Energy Code) for 2022, but you may be less familiar with the City of Los Angeles’ recently issued all-electric ordinance. We’re here to review key features of these updates that will...

Ensuring Blower Door Success Early in Construction

Ensuring Blower Door Success Early in Construction

       The terms “blower door,” “envelope leakage” and “air sealing” all describe the most useful building durability performance tests an owner or builder can utilize. A HERS blower door field verification measures the total volume of air that is replaced in a space...

New Mandatory HVAC Testing: What You Should Know

New Mandatory HVAC Testing: What You Should Know

If you’re a property developer, an architect or mechanical subcontractor, you should be aware that the landscape for HVAC equipment start-ups is about to change. You may be aware of some big changes coming up in the 2022 code cycle, but you might be surprised to learn...

Four Key Insights from LEED Positive and The Future of LEED

Four Key Insights from LEED Positive and The Future of LEED

  The first letter in the acronym LEED stands for Leadership, and more fully, Leadership in Energy and Environmental Design. While California Code and CALGreen continue to move in the direction of incorporating sustainability into building design and...