Indoor air quality decline prompts new review. (American Society of Heating, Refrigerating and Air Conditioning Engineers)

ATLANTA--A decline in indoor air quality levels in buildings that have cut ventilation to save energy has prompted the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) to undertake an early review of the organization's indoor air guidelines. The full membership is expected to vote on the change at a meeting next December.

As more users seek to conserve energy by limiting a building's outside air intake, health problems among office occupants, thought to be caused by exposure to contaminated air, are on the rise, sources told EUN.

ASHRAE's decision to perform an early review was prompted by a growing recognition that poor …