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This ESS Exemptions Order governs the calculation of exempt loads for the 2026 compliance year onwards, until revoked.

This is an example completed declaration form. This declaration is required when you apply for water heater acceptance.

A manufacturer declaration form is required when product brands and model numbers need to be reconciled to submitted evidence. A prototype…

This Water Heater Application and Controller Declaration form is required when you apply for water heater acceptance under the IHEAB method.