Tuesday, November 4, 2008

Optical Properties Subcommittee Convenes

During the Optical Properties Subcommittee, led by Sneh Kumar of Traco, Inc., the discussion turned to whether the NFRC 300/301 should be edited to include an ASTM standard.

Following a discussion of the pros and cons of the ASTM standard, NFRC Chair Joe Hayden explained that the potential adoption could raise NFRC’s Solar Heat Gain standards by as much as 10%. This created a fair amount of concern among those who opposed the move.

One of the primary reasons is the uncertainty of whether DOE and ENERGY STAR are prepared to make adjustments accordingly.

“It’s obviously a very big jump,” said Hayden. “This is something we need to look at closely and carefully before we make any decisions.”

Hayden recommended delaying implementation of the revised NFRC 300 until at least April of 2009. The motion passed by unanimous voice vote.

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