Efficient domestic hot water equipment | U.S. Green Building Council
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LEED BD+C: Homes | v4 - LEED v4

Efficient domestic hot water equipment

Possible 3 points


To reduce the energy consumption associated with domestic hot water by improving the efficiency of the water heater.


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

ENERGY STAR water heater 1
EF or thermal efficiency greater than 0.9
EF or thermal efficiency greater than 1.8
Solar water heaters
Solar water heater: ≥ 40% of annual DHW load 2
Solar water heater: ≥ 60% of annual DHW load 3

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

Credit only available for projects using the EA prescriptive path’
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