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The journey to 15 million TR6 valves began in 2003, when the minimum seasonal energy efficiency ratio rating for residential air-conditioning systems in the U.S. was SEER 10.
Last year, during the 2016 Group B cycle, six code change proposals were submitted to add maximum plumbing fixture flow rates to the International Energy Conservation Code
AHRI and its industry partners have advocated for a broader interpretation of what constitutes an "error" warranting reconsideration of the substance of a pre-published rule.
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