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This relaunch underscores Carrier's commitment to providing sustainable and cutting-edge HVAC solutions that meet the evolving needs of homeowners and contractors.
The 45-day ANSI public review period will be from June 6, 2025, to July 21, 2025. Proposed Addendum C will supplement ANSI/ACCA 3 Manual S – 2023, and Addenda A and B – 2024.
The approval opens the door for expanded acceptance in other states seeking to strengthen water resilience and professional development for water systems contractors.
The technical and visual guide is designed to educate plumbing professionals on one of the brand’s most powerful and often under-appreciated advantages: interchangeability.