AS/NZS 4234:2021
Heated water systems — Calculation of energy consumption

Standard No.

AS/NZS 4234:2021

Release Date

2021

Published By

Standard Association of Australia （SAA）

Latest

AS/NZS 4234:2021

Scope

Sets out a method for evaluating the annual energy performance of water heaters using a combination of test results for component performance and mathematical models to determine the standardized annual supplementary energy use.

AS/NZS 4234:2021 history

• 2021 AS/NZS 4234:2021 Heated water systems — Calculation of energy consumption
• 1970 AS/NZS 4234 Sup 1:2021 Heated water systems - Calculation of energy consumption-Parameters and outcomes for software simulations (Supplement to AS/NZS 4234:2021)
• 2008 AS/NZS 4234:2008 Heated water systems - Calculation of energy consumption