ROH §16-14.6
Ventilation and HVAC equipment
Read the official text at honolulu.gov ↗This section covers ventilation and heating/cooling equipment. It requires mechanical ventilation to follow the International Mechanical Code, and air intakes and exhausts must withstand wind and flying debris. Roof-mounted HVAC equipment must be anchored for wind, and roof openings need a 12-inch curb to block rain.
contractorshomeownerslandlords
The ordinance, as written (Honolulu County) — Ventilation
A copy, taken August 22, 2026. The version published by Honolulu is the one that governs, and it may have changed since. Check it before relying on anything here.
(a) Mechanical ventilation. Mechanical ventilation as required in accordance with the International Mechanical Code. Air intakes and exhausts must be designed and installed to meet the wind load and missile impact criteria of this article.
(b) HVAC equipment anchorage. HVAC equipment mounted on roofs and anchoring systems must be designed and installed to meet the wind load criteria. Roof openings for roof-mounted HVAC equipment must have a 12-inch-high curb designed to prevent the entry of rain water.
Published by the City and County of Honolulu through American Legal Publishing.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.