13 July 2006
Provide air conditioning in locations where during the six warmest months of the year
dry bulb temperature is 26.7 degrees C (80 degrees F), or higher for over 650 hours; or
wet bulb temperature is 19.4 degrees C (67 degrees F), or higher for over 800 hours in
accordance with OMB Circular A-45. Window or through-wall units should not be used
to provide air conditioning.
Provide Energy Star labeled programmable (set-back) thermostats in new
construction, and major revitalizations.
Provide an exhaust fan (maximum 1.5 sone) in each bathroom, and an exhaust fan
(maximum 5.0 sone) in each kitchen. Exhaust fans must discharge to exterior;
discharging into attic or crawl space is prohibited. Provide mechanical ventilation in
accordance with ASHRAE 62.2.