Green Resources

NAHB Certification Levels

As with LEED certification, buildings can earn one of four progressive certification levels under the National Green Building™ Standard: Bronze, Silver, Gold or Emerald. The proposed requirements for bath faucets and fixtures are noted below.

Fixture Toilets Urinals Lavatories Showerheads
Rate ≤ 1.28 gpf ≤ .5 gpf ≤ 1.5 gpm @ 60 psi 2.0 – 2.5 gpm per stall
(Extra points for 1.6 – 2.0 gpm)

The point values vary by fixture. Extra points can be earned if all fixtures in the home meet the stated requirements.