Hawaii SB748 mandates solar water heater systems or ENERGY STAR certified heat pump water heaters for new single-family residential constructions.
Hawaii SB748 amends the Hawaii Revised Statutes to require new single-family residential constructions to include either a solar water heater system or an ENERGY STAR certified heat pump water heater. This requirement applies to buildings starting from January 1, 2010. Exceptions are allowed if a variance is approved by the chief energy officer of the Hawaii state energy office, based on specific conditions such as impracticality of installation or cost-prohibitiveness. The bill also specifies that a variance application must be submitted by a licensed architect or mechanical engineer.
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