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W5H5S18*K*AAA*

EcoTemp and Grandaire · central heat pump

W5H5S18*K*AAA* is in the certified data as of Sep 19, 2026. W5H5S18*K*AAA* changed its certified COP at 5°F on 4 pairings in the certified data between August 2025 and September 2026. The new figure is lower on all 4.

This unit's certified figures are identical to GH5SAN518**AA* (Bryant). See the full figures, the performance chart, and a comparison with other units here:

GH5SAN518**AA* (main listing for W5H5S18*K*AAA*)

Certified pairings and AHRI numbers

48 certified pairings · 9 indoor units

AHRI certificate Indoor unit Furnace Certified At 5°FBtu/h At 47°FBtu/h At 95°FBtu/h · cooling
214126110 W5A*25M17XA* WFE*045A036C* Jun 9, 2026 8,400 16,400 17,900
214126111 W5A*25M17XA* WFE*045A036C* Jun 9, 2026 8,400 16,400 17,900
214126170 W5A*25M17XA* WFE*070A036C* Jun 9, 2026 8,400 16,400 17,900
214126171 W5A*25M17XA* WFE*070A036C* Jun 9, 2026 8,400 16,400 17,900
214126200 W5A*25M17XA* WFE*070B036C* Jun 9, 2026 8,400 16,400 18,000
214126201 W5A*25M17XA* WFE*070B036C* Jun 9, 2026 8,400 16,400 18,000
214126232 W5A*25M17XA* WFE*070B048C* Jun 9, 2026 8,500 16,400 18,100
214126233 W5A*25M17XA* WFE*070B048C* Jun 9, 2026 8,500 16,400 18,100
214126264 W5A*25M17XA* WFE*090B042C* Jun 9, 2026 8,400 17,500 18,100
214126265 W5A*25M17XA* WFE*090B042C* Jun 9, 2026 8,400 17,500 18,100
214126423 W5A*25M17XA* WFEU040B036A* Jun 9, 2026 8,400 16,400 18,300
214126424 W5A*25M17XA* WFEU040B036A* Jun 9, 2026 8,400 16,400 18,300
214126487 W5A*25M17XA* WFEU040B036B* Jun 9, 2026 8,400 17,400 18,200
214126488 W5A*25M17XA* WFEU040B036B* Jun 9, 2026 8,400 17,400 18,200
214126519 W5A*25M17XA* WFEU060B048B* Jun 9, 2026 8,400 16,400 18,100
214126520 W5A*25M17XA* WFEU060B048B* Jun 9, 2026 8,400 16,400 18,100
214126697 W5A*25M17XA* WFET045A036A* Jun 9, 2026 8,400 16,500 18,200
214126698 W5A*25M17XA* WFET045A036A* Jun 9, 2026 8,400 16,500 18,200
214126709 W5A*25M17XA* WFET070A036A* Jun 9, 2026 8,400 16,500 18,200
214126710 W5A*25M17XA* WFET070A036A* Jun 9, 2026 8,400 16,500 18,200
214127008 W5A*25M17XA* WFAX060B042B* Jun 9, 2026 8,400 16,400 18,100
214127009 W5A*25M17XA* WFAX060B042B* Jun 9, 2026 8,400 16,400 18,100
214127040 W5A*25M17XA* WFAX080B048B* Jun 9, 2026 8,400 17,400 18,100
214127041 W5A*25M17XA* WFAX080B048B* Jun 9, 2026 8,400 17,400 18,100
214127104 W5A*25M17XA* WFSX080B048B* Jun 9, 2026 8,500 16,400 17,900
214127105 W5A*25M17XA* WFSX080B048B* Jun 9, 2026 8,500 16,400 17,900
214127213 W5A*25M17XA* WFSU060B048B* Jun 9, 2026 8,500 16,400 18,100
214127214 W5A*25M17XA* WFSU060B048B* Jun 9, 2026 8,500 16,400 18,100
214127358 W5A*25M17XA* WFST060B048A* Jun 9, 2026 8,400 16,500 18,100
214127359 W5A*25M17XA* WFST060B048A* Jun 9, 2026 8,400 16,500 18,100
214179583 WCHL305*B* No furnace Jun 9, 2026 8,400 17,700 18,100
214179584 WCHL305*B* No furnace Jun 9, 2026 8,400 17,700 18,100
214195460 W5VM32M17XA* WFE*070B036C* Jun 9, 2026 8,200 17,700 18,900
214195461 W5VM32M17XA* WFE*070B036C* Jun 9, 2026 8,200 17,700 18,900
214195492 W5VM32M17XA* WFE*070B048C* Jun 9, 2026 8,200 17,800 18,900
214195493 W5VM32M17XA* WFE*070B048C* Jun 9, 2026 8,200 17,800 18,900
214423913 FMA5X18**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
214423914 FMA5X18**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
214423945 FMA5X24**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
214423946 FMA5X24**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
215828805 FM(C,U)5Z18**AL* No furnace Jun 9, 2026 8,500 18,100 17,800
215828806 FM(C,U)5Z18**AL* No furnace Jun 9, 2026 8,500 18,100 17,800
215828837 FM(C,U)5Z24**AL* No furnace Jun 9, 2026 8,500 18,100 17,800
215828838 FM(C,U)5Z24**AL* No furnace Jun 9, 2026 8,500 18,100 17,800
215828869 FM(C,U)5Z30**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
215828870 FM(C,U)5Z30**AL* No furnace Jun 9, 2026 8,200 17,700 17,400
218452538 FM(C,U)5S30**AL* No furnace Jun 29, 2026 8,600 18,300 18,000
218452539 FM(C,U)5S30**AL* No furnace Jun 29, 2026 8,600 18,300 18,000

Brands listing this model number

Product history

  • W5H5S18*K*AAA* changed its certified COP at 5°F on 4 pairings in the certified data between August 2025 and September 2026. The new figure is lower on all 4.
  • W5H5S18*K*AAA* changed its certified heat output at 5°F on 2 pairings from 8,300 Btu/h to 8,200 Btu/h in the certified data between August 2025 and September 2026.
  • W5H5S18*K*AAA* changed its certified heat output at 17°F on 4 pairings in the certified data between August 2025 and September 2026. The new figure is higher on 2 and lower on 2.
  • W5H5S18*K*AAA* was in the certified data by September 2024.

Cite or print this page

Heat Pump List, “W5H5S18*K*AAA* — certified pairings and AHRI numbers”. Certified figures dated , checked daily.
https://heatpumplist.com/model/w5h5s18_stk_staaa_st