Reference

Worked vacuum pump sizing examples

Mini-split, residential central, large split, and over-range cases with expected CFM classes.

2 tons → required ~2 CFM → 3.5 CFM class (lnk_class_35).

Details

Common ductless install. Hose ID and valve cores still matter.

Tools

4 tons → required ~4 CFM → 5 CFM class (lnk_class_50).

Details

Typical whole-home AC capacity band.

Tools

6 tons → required ~6 CFM → 7 CFM class (lnk_class_70).

Details

Upper residential or light commercial single system.

Reference

10 tons → required ~10 CFM → NO_MATCH (no CTA).

Details

Exceeds the 7 CFM portable vacuum pump ceiling on this site.

Guides

1 CFM/ton rule and CFM class ladder explained.