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WHU24SZA21S

Westinghouse · mini-split heat pump

WHU24SZA21S is in the certified data as of Sep 19, 2026. WHU24SZA21S changed its certified heat output at 47°F on AHRI certificate 207237538 from 26,000 Btu/h to 24,000 Btu/h in the certified data between August 2025 and September 2026.

This unit's certified figures are identical to FPHFR24A3A (Friedrich). See the full figures, the performance chart, and a comparison with other units here:

FPHFR24A3A (main listing for WHU24SZA21S)

Certified pairings and AHRI numbers

1 certified pairing · 1 indoor unit

Certified pairings of WHU24SZA21S
AHRI certificate Indoor unit Furnace Certified At 5°FBtu/h At 47°FBtu/h At 95°FBtu/h · cooling
207237538 WHU24CTA21S No furnace Jun 9, 2026 19,000 24,000 24,000

Brands listing this model number

Product history

  • WHU24SZA21S changed its certified heat output at 47°F on AHRI certificate 207237538 from 26,000 Btu/h to 24,000 Btu/h in the certified data between August 2025 and September 2026.
  • WHU24SZA21S was in the certified data by September 2024.

Cite or print this page

Heat Pump List, “WHU24SZA21S — certified pairings and AHRI numbers”. Certified figures dated , checked daily.
https://heatpumplist.com/model/whu24sza21s