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HRS §196-6

Energy-efficient hot water heaters required for sale and installation

After June 1, 1985, you cannot sell or install a new storage hot water heater in Hawaii unless it meets the energy efficiency standards set by ASHRAE 90. Sales for use outside Hawaii are allowed. Violating this rule is a crime with fines.

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The statute, as written — Energy efficient storage hot water heaters

(a) No new storage hot water heater which is not certified as meeting the energy efficiency standards of the American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc., as set forth as the current ASHRAE 90 Standard, shall be sold or installed in the State after June 1, 1985; provided, however, that nothing contained herein shall prevent sales from being made in the State for use outside the State. (b) Any violation of subsection (a) shall be a misdemeanor; provided a fine of not less than $50 nor more than $500 shall be imposed, and all fines shall be imposed consecutively. Each storage hot water heater sold in violation of this section shall constitute a separate offense.
Read the official text at capitol.hawaii.gov ↗as published Jan 6, 2026our copy taken Aug 20, 2026

LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.