Key changes in the 2021 IPC include HVAC regulations from the ICC A117.1-2017 standard for usable and accessible buildings and spaces have been incorporated. Spaces for roof-mounted solar panels were added above the vent plugs.
Key changes in the 2021 IPC include HVAC regulations from the ICC A117.1-2017 standard for usable and accessible buildings and spaces have been incorporated. Spaces for roof-mounted solar panels were added above the vent plugs.