Start with conditions, not a product
Duct leakage, filtration, humidity control, and ventilation balance all belong in the conversation before an indoor-air plan is scoped.
Build a complete scope
- Existing conditions and likely cause
- Preparation and protection
- Materials, compatibility, and installation details
- Permits, testing, cleanup, and restoration
- Exclusions, warranty terms, and change-order process
Sterling Heights context
Original ductwork in Sterling Heights' 1950s-70s ranch and split-level homes was sized for that era's equipment, so duct leakage and undersized returns are common findings when a system is upgraded decades later.