Modular in Motion

Modular in Motion

Interest in modular housing construction for multifamily development has steadily increased over the last three years. Prefabricated construction, which includes modular and manufactured homes, involves a mix of on- and off-site processes woven together to reduce...
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...
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...