Core TradesCâu 102 / 700
Supply and return ducts installed in an unconditioned attic are typically required to be insulated and sealed MAINLY to:
a.Reduce noise only
b.Support the ductwork
c.Match the color of the attic
d.Limit conductive heat loss/gain and air leakage so the system meets efficiency requirements
Giải thích
Ducts in unconditioned space lose or gain heat and leak air, wasting energy; insulating and sealing them limits conductive losses and leakage so the system performs efficiently as required by the Energy Code. Noise, support, and color are not the primary reasons.
Trích dẫn luật: 2025 CA Energy Code (Title 24, Part 6)Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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