Energy Code Requirements
There are two scenarios where Raters are required to verify the register boots have been sealed to the surrounding material. When register boot sealing is mandatory Bottom LineNew duct system: register boots…
For California residential projects permitted under the 2025 Energy Code—generally permits applied for on or after January 1, 2026—the HVAC duct-insulation requirement depends on duct location and the compliance method. Duct location/system…
Key Tips of a Successful HERS Rating (New Construction) under Code Cycle 2025
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