Moreno Valley, CA Building Safety: Green Building Code (2026)
Key Facts
- Code adopted
- California Green Building Code, 2025 Edition
- Applies to
- Existing single-family A/C or heat pump alterations
- Duct leakage cap
- 5% of system airflow
- Attic insulation target
- U-0.020 or R-49
- Violation classification
- Infraction, § 8.38.030
Summary
Moreno Valley adopts the 2025 California Green Building Code by reference under Municipal Code Section 8.38.010, layering on local amendments that require specific energy-conservation measures, like verified refrigerant charge, duct sealing and attic insulation, whenever an existing single-family home's air conditioner or heat pump is altered or replaced. Breaking any Chapter 8.38 requirement is an infraction under Section 8.38.030.
The California Green Building Code, 2025 Edition, is adopted and made a part of this chapter by reference, subject to amendments requiring certain energy conservation measures for air conditioner alterations, replacements, and installations in existing single-family dwelling units. ... Violation of the requirements of this chapter shall be deemed an infraction of the Moreno Valley Municipal Code.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4887234; v10 updated 2026-04-07).
Full Breakdown
2(b)(1)(E) and (F). 020 or R-49 and air-seal the ceiling plane between the attic and the conditioned space. 87) but can support a straight air conditioner replacement. Any documentation supporting those exceptions has to go to the enforcement agency before the permit is issued. 030 makes any violation of the chapter, including skipping the required field verification, an infraction under the Moreno Valley Municipal Code.
Violations & Fines
Installing or replacing an air conditioner or heat pump in an existing single-family home without completing the required refrigerant-charge and airflow field verification, or without the duct-leakage and insulation upgrades Section 8.38.020 calls for, is charged as an infraction under Section 8.38.030. The Building Official can withhold final inspection sign-off on the HVAC permit until the field verification report and any exception documentation, such as the electrical-capacity calculation under CEC Article 220.83 or 220.87, is on file.
Frequently Asked Questions
Does replacing my central air conditioner trigger Moreno Valley's green building rules?
Are there exceptions to the duct and insulation upgrade requirements?
What's the penalty for skipping the green building code's HVAC requirements?
Sources & Official References
Other rules in Moreno Valley
California rules heatmap·Compare Moreno Valley to another location·View the California building safety overview
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