LEED Certification for Homes – EA CREDIT: EFFICIENT DOMESTIC HOT WATER EQUIPMENT
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 heater | 1 |
EF or thermal efficiency greater than 0.9 EF or thermal efficiency greater than 1.8 | 1.5 2 |
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.