Description
Information guide describing things to consider before retrofitting walls, windows, and doors, including wiring, moisture protection, and lead paints.
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Description
Guide describing how to air-seal doors that are next to unconditioned spaces.
Description
Guide describing how to install ducted returns in bedroom walls to balance air pressures between rooms and to enable stale air to return to a central heating system's air handler for reconditioning even when room doors are closed.