Heat Pump List

Tools

TSC-18HA2/I3XI21B-O

Rovsun · mini-split heat pump

TSC-18HA2/I3XI21B-O is in the certified data as of Sep 19, 2026. TSC-18HA2/I3XI21B-O changed its certified HSPF2 on 2 pairings from 9.5 to 10.0 in the certified data between August 2025 and September 2026.

This unit's certified figures are identical to 048-C-TP-18K2V-23S-OUT (Della). See the full figures, the performance chart, and a comparison with other units here:

048-C-TP-18K2V-23S-OUT (main listing for TSC-18HA2/I3XI21B-O)

Certified pairings and AHRI numbers

2 certified pairings · 1 indoor unit

Certified pairings of TSC-18HA2/I3XI21B-O
AHRI certificate Indoor unit Furnace Certified At 5°FBtu/h At 47°FBtu/h At 95°FBtu/h · cooling
216020713 TSC-18HA2/I3XI21B-I No furnace Sep 25, 2025 13,600 19,000 18,000
216410094 TSC-18HA2/I3XI21B-I No furnace Sep 25, 2025 13,600 19,000 18,000

Brands listing this model number

Product history

  • TSC-18HA2/I3XI21B-O changed its certified HSPF2 on 2 pairings from 9.5 to 10.0 in the certified data between August 2025 and September 2026.
  • TSC-18HA2/I3XI21B-O changed its certified heat output at 47°F on 2 pairings from 18,000 Btu/h to 19,000 Btu/h in the certified data between August 2025 and September 2026.
  • TSC-18HA2/I3XI21B-O changed its certified heat output at 17°F on 2 pairings from 11,000 Btu/h to 15,000 Btu/h in the certified data between August 2025 and September 2026.
  • TSC-18HA2/I3XI21B-O changed its certified heat output at 47°F on 2 pairings from 19,000 Btu/h to 18,000 Btu/h in the certified data between March 2025 and May 2025.
  • TSC-18HA2/I3XI21B-O changed its certified heat output at 17°F on 2 pairings from 15,000 Btu/h to 11,000 Btu/h in the certified data between March 2025 and May 2025.
  • TSC-18HA2/I3XI21B-O first appeared in the certified data between November 2024 and February 2025.

Cite or print this page

Heat Pump List, “TSC-18HA2/I3XI21B-O — certified pairings and AHRI numbers”. Certified figures dated , checked daily.
https://heatpumplist.com/model/tsc-18ha2_sli3xi21b-o