California May 2023 State Update

In March, the Bay Area Air Quality Management District (BAAQMD) adopted first in the nation rules eliminating nitrogen oxide (NOx) emissions from gas appliances. The rules will ban the sale of NOx-emitting natural gas water heaters in 2027 and prohibit NOx-emitting furnaces in 2029 and large commercial water heaters in 2031. Legislative: The California state …

February 2023 – California State Update

With a deadline of 2025 to update California building codes, California Energy Commission (CEC) staff have been holding proceedings to update the field verification and diagnostic testing (FV&DT) program, also called the Home Energy Rating System (HERS) program. The FV&DT performed by independent third-party trained technicians is intended to support the successful implementation of the …