Third-Party Certified Quality Control Program HERS Inspections

The Energy Commission-certified Third-Party Quality Control Program (TPQCP) HERS inspection procedure is a more secure, efficient, and less expensive way to accomplish HERS testing on HVAC systems as compared to conventional HERS testing. Through 100 percent wireless technology and automated data checking, the TPQCP enables a 1 in 30 sampling process for dwelling units as opposed to the 1 in 7 sample size for conventional HERS testing. The TPQCP was approved by the CEC because it is more accurate, reduces the cost of HERS testing, and makes fraudulent practices almost impossible.

As currently written, the 2019 Energy Standard's Residential Appendix 2.8 allows individual municipalities to reject TPQCP testing for alterations, which is simply due to word choice when the requirements were enacted. By using the phrase “...may” in RA 2.8, some municipalities interpret this an “optional” test mechanism and elect to accept only traditional processes with paper-based tests and requirements.

Third Party Quality Control Programs, as specified in Section RA2.7, may also be used with alterations, and shall be limited to “closed” sample group sizes of thirty dwelling units or less.

The confusion created in the marketplace by this take-it or leave-it approach has nullified the potential gains in efficiency the program was intended to provide. A change of wording from “may” to “shall also be acceoted” would ensure that all municipalities accept TPQCP HERS testing.

Third Party Quality Control Programs, as specified in Section RA2.7, shall also be accepted for alterations, and shall be limited to “closed” sample group sizes of thirty dwelling units or less.

This simple change would provide consistency as well as cost saving across the state. It would also result in more suppliers developing secure diagnostic systems, more TPQCP providers, and, most importantly, more contractors using highly accurate automated testing equipment.