Canadian Consulting Engineer

ASHRAE proposes changes to 90.1

The American Society for Air-Conditioning Engineers (ASHRAE) has issued 18 proposed addenda to its Standard 90...

August 24, 2009   Canadian Consulting Engineer

The American Society for Air-Conditioning Engineers (ASHRAE) has issued 18 proposed addenda to its Standard 90.1-2007, Energy Standard for buildings Except Low-Rise Residential Buildings.

Among the proposals, which are out for public review, is a recommendation that would require a supply air temperature reset in multiple-zone HVAC systems. The 90.1 committee chair, Mick Schwedler, said that balancing the reset with an increase in fan energy can substantially reduce a building’s energy use.

For its next standard in 2010, ASHRAE has a goal of reducing energy use by 30%.


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