Start from what's actually wrong
A heat pump proposal for Sterling Heights has to hold up through winters that regularly sit in the 20s, so backup-heat strategy and cold-weather performance deserve as much attention as the cooling side.
A written scope should spell out
- The existing condition and probable cause
- Prep and protection for the rest of the house
- Material and equipment compatibility
- Permit filing, testing, cleanup, and restoration
- Exclusions, warranty terms, and the change-order process
Sterling Heights context
Winters here regularly hold in the 20s, so a heat pump proposal for a Sterling Heights home should address low-temperature performance and backup heat directly rather than treating the equipment as a warm-climate default.