GroundRules
10 CFR 460.201: Duct system.
Where this section sits in the code
- Title 10—Energy
- CHAPTER II—DEPARTMENT OF ENERGY
- SUBCHAPTER D—ENERGY CONSERVATION
- PART 460—ENERGY CONSERVATION STANDARDS FOR MANUFACTURED HOMES
- Subpart C—HVAC, Service Hot Water, and Equipment Sizing
Each manufactured home equipped with a duct system, which may include air handlers and filter boxes, must be sealed to limit total air leakage to less than or equal to four (4) cubic feet per minute per 100 square feet of conditioned floor area at a pressure differential of 0.1 inch w.g. (25 Pascals) across the system. Building framing cavities must not be used as ducts or plenums when directly connected to mechanical systems. The duct total air leakage requirements are adapted from section R403 of the 2021 IECC.
Collected 2026-08-27T02:24:09Z. Source file · JSON