CalCERTS

Field Support F.A.Q.

HVAC Work Scope Definitions

What HERS verifications will be required for an HVAC Change-Out?

What is an entirely new SC space conditioning system?

What is an entirely new or replacement duct system?

What is an altered system or change-out?

What is a refrigerant containing component?

When is a duct system considered accessible?

What is an entirely new SC space conditioning system?

Duct Testing, Sealing

What is a duct leakage test?

Can I seal off the fresh air intake or economizer on an HVAC system for a duct test?

What is a smoke test?

How do I identify asbestos?

What are approved materials for construction of a duct systems?

Airflow / Fan-Efficacy

What are the compliance criteria for an Airflow and Efficacy verification?

How do I verify airflow on a system with multiple returns?

How are Airflow and Fan-Efficacy requirements applied to zoned duct systems?

Refrigerant Charge Verifications (RCV)

When can the weigh-in method be used by the Installer or by the Rater?

What are the requirements for airflow remediation?

The Compliance Process

Who may perform verifications of existing conditions to certify an EXC-20?

What is the process for verification of existing conditions to certify an EXC-20?

Optional HERS Verified Measures

What is the difference between Ducts Located entirely in Conditioned Space DLCS and Verified Low Leakage Ducts Located entirely In Conditioned Space VLLDCS?

What do I do if I have been called out for QII and sheetrock is already installed?

Working from outside the United States

Working from outside the United States?

Compliance and Registry Support

Hours and Contact Information
Mon-Fri: 7am-5pm
916-985-3400 ext. *
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Contact

31 Natoma St Suite 120 Folsom, CA 95630
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