LEED Certification for Homes – EA CREDIT: EFFICIENT DOMESTIC HOT WATER EQUIPMENT

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Requirements

HOMES

  • Install an ENERGY STAR–qualified water heater (1 point), or

  • install a solar water heater that, in combination with an ENERGY STAR water heater, meets at least 40% (2 points) or 60% (3 points) of the annual domestic hot water (DHW) load (Table 1).

Table 1. Points for high-efficiency water heater

Points
ENERGY STAR water heater1
EF or thermal efficiency greater than 0.9 EF or thermal efficiency greater than 1.81.5
2
Solar water heaters
Solar water heater: ≥ 40% of annual DHW load2
Solar water heater: ≥ 60% of annual DHW load3

Projects outside the U.S. may use a performance equivalent to ENERGY STAR.