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A4MO21-27N2-M1

AI Air Conditioning · mini-split heat pump

A4MO21-27N2-M1 is in the certified data as of Sep 19, 2026. A4MO21-27N2-M1 changed its certified heat output at 17°F on 3 pairings in the certified data between December 2025 and September 2026. The new figure is higher on all 3.

A4MO21-27N2-M1 (AI Air Conditioning) has the same certified figures as CU - 4YM27CBUC (Panasonic). See the full figures, the performance chart, and a comparison with other units here:

CU - 4YM27CBUC (main listing for A4MO21-27N2-M1)

Certified pairings and AHRI numbers

3 certified pairings

Certified pairings of A4MO21-27N2-M1
AHRI certificate Indoor unit Furnace Certified At 5°FBtu/h At 47°FBtu/h At 95°FBtu/h · cooling
215866803 — No furnace May 6, 2026 19,000 27,000 26,000
215866804 — No furnace May 6, 2026 18,800 26,600 26,600
215866805 — No furnace May 6, 2026 18,900 26,800 26,200

Model numbers with these certified figures

Product history

  • A4MO21-27N2-M1 changed its certified heat output at 17°F on 3 pairings in the certified data between December 2025 and September 2026. The new figure is higher on all 3.
  • A4MO21-27N2-M1 first appeared in the certified data between September 2024 and November 2024.

Cite or print this page

Heat Pump List, “A4MO21-27N2-M1 — same certified unit”. Certified figures dated , checked daily.
https://heatpumplist.com/model/a4mo21-27n2-m1