Sets out a method of determining the annual performance of domestic solar and heat pump water heaters using a combination of test results for component performance and a mathematical model to determine annual load cycle task performance. Together with the Standard a software disk is provided. It contains a program for evaluation of energy consumption of the solar water heaters under testing.

Contains up to 3 historical editions and related amendments

AS 4234-1994

Solar water heaters — Domestic and heat pump — Calculation of energy consumption