HERS Verification Title 24, part 6
What is it: HERS stands for Home Energy Rating System. This process is a field verification and diagnostic testing service developed to
show compliance with the “California Building Energy Standards”.
Why it's important: A study conducted by National Comfort Institute shows that the average HVAC system is only performing at 58% efficiency. Don’t get lumped in with the national average. Prove the high quality and performance of your work with diagnostic testing.
To ensure optimal fan efficacy - within the HERS verification we measure using one of the below standard electrical meters. This is to ensure that more fan energy is not being used to overcome a restrictive duct system.
Fan Efficacy Test
Costa Mesa - Orange County
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Fan Efficacy Test Tools
While we have an indoor airflow minimum requirement for new duct systems, we also have an indoor blower watt maximum (0.58 watts / CFM). This is to ensure that more fan energy is not being used to overcome a restrictive duct system. This can be measured with standard electrical meters.
If you are not comfortable with taking these electrical measurements to ensure fan efficacy, please contact a reputable electrician.
