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Check a heat pump’s certified ratings

Type the outdoor unit’s model number from its nameplate, or the AHRI reference number from your quote. You will see its ratings, how it compares with others of its size, and the rebate standards it meets.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Partial model numbers work. AHRI numbers find the pairing listed for each model.

Ducted, 3.5–4.5 tons: every model, highest efficiency on a 5°f day first

One size class at a time, so the numbers compare directly.

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

  1. 451TMV-48WL/NHC-T(U)Gree (sold as Tosot)4 tons · 48,000 Btu/h · DuctlessTop 10%2.20
  2. 452TUH60-48D32E2Owith ducted air handler TUH60X32A2IGree (sold as Tosot)4.5 tons · 53,000 Btu/h · DuctedGreat2.20
  3. 453QS15H42HA5***with ducted air handler NAM42V3TA5HAIER3.5 tons · 42,500 Btu/h · DuctedGreat2.20
  4. 454AOH-48U3R26SSwith ducted air handler D(A,C,E)48B3D+TDRHisense3.5 tons · 41,000 Btu/h · DuctedGreat2.20
  5. 455PAS-48BUFASDQ1-LACwith ductless indoor unit PPFC-B48UFA1DQHITACHI3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.20
  6. 4567SHP15V42P-**Awith ducted air handler 7AH2AE42PX-Lennox (sold as Allied)3.5 tons · 42,500 Btu/h · DuctedGreat2.20
  7. 457A7CP21V48P-**Awith ducted air handler 7AH1AE60PX-Lennox (sold as Armstrong Air)4 tons · 47,000 Btu/h · DuctedGreat2.20
  8. 458A7HP19V60P-**Awith ducted air handler 7AH1AV60PX-**+TDRLennox (sold as Armstrong Air)4.5 tons · 54,500 Btu/h · DuctedGreat2.20
  9. 459BHB714S48P-**Awith ducted air handler 7AH1AE60PX-Lennox (sold as Ducane)4 tons · 48,000 Btu/h · DuctedGreat2.20
  10. 460EL19KPV-060-230A**with ducted air handler CBK45UHVT-060-230-Lennox4.5 tons · 54,500 Btu/h · DuctedGreat2.20
  11. 461EL21KLV-048-230A**with ducted air handler CBK45UHET-060-230-Lennox4 tons · 47,000 Btu/h · DuctedGreat2.20
  12. 462HSA1960V1-**Awith ducted air handler HMA60VX1*-Lennox (sold as Comfort-Aire)4.5 tons · 54,500 Btu/h · DuctedGreat2.20
  13. 463ML14KP1-048-233A**with ducted air handler CBK45UHET-060-230-Lennox4 tons · 48,000 Btu/h · DuctedGreat2.20
  14. 464ML14KP1-048-463A**with ducted air handler CBK45UHET-060-230-Lennox4 tons · 48,000 Btu/h · DuctedGreat2.20
  15. 465ML15KSPV-042-230A**with ducted air handler CBK47UHET-042-230-Lennox3.5 tons · 42,500 Btu/h · DuctedGreat2.20
  16. 466KUSXA421Awith ductless indoor unit KNSCB421ALG3.5 tons · 42,000 Btu/h · DuctlessTop 10%2.20
  17. 467KUSXA481Awith ductless indoor unit KNSCB481ALG4 tons · 48,000 Btu/h · DuctlessTop 10%2.20
  18. 468MCHA-48HDCTO2with ducted air handler MCHA-48HDCANI2MDX4 tons · 48,000 Btu/h · DuctedGreat2.20
  19. 469MCHA-60HDCSO2with ducted air handler MCHA-60HDCNI2MDX4.5 tons · 54,000 Btu/h · DuctedGreat2.20
  20. 470MCHA-60HDCTO2with ducted air handler MCHA-60HDCANI2MDX4.5 tons · 54,000 Btu/h · DuctedGreat2.20
  21. 471MHPA-48DCTOwith ducted air handler MHPA-48DCTIMDX4 tons · 48,000 Btu/h · DuctedGreat2.20
  22. 472MHPA-60DCTOwith ducted air handler MHPA-60DCTIMDX4.5 tons · 54,000 Btu/h · DuctedGreat2.20
  23. 473MLP14AY42AJ2Nwith indoor coil TCFY4824STANM and furnace ML801T1505A24UHRheem (sold as Mainline)3.5 tons · 40,000 Btu/h · DuctedGreat2.20
  24. 474MLP15AY48AJ2Nwith ducted air handler MLH2CY4821STANNRheem (sold as Mainline)4 tons · 45,500 Btu/h · DuctedGreat2.20
  25. 475MPP14AY42AJ2Nwith indoor coil TCFY4824STANM and furnace MP801T1505A24UHRheem (sold as Mainline)3.5 tons · 40,000 Btu/h · DuctedGreat2.20

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What size is my system?

Tons and Btu

A heat pump’s size is its rated cooling output, in Btu per hour. Installers talk in tons: one ton is 12,000 Btu per hour, so a 3-ton unit is about 36,000.

Where to find yours: the nameplate sticker on the outdoor unit lists the model number. Many model numbers include the size in thousands of Btu, such as 24 (2 tons), 36 (3 tons) or 48 (4 tons). Your quote or AHRI certificate also lists it. Look up a model number

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Size classes used here

  • Up to 1.5 tonsunder 21,000 Btu/h
  • 2 tons21,000–26,999 Btu/h
  • 2.5–3 tons27,000–38,999 Btu/h
  • 3.5–4.5 tons39,000–56,999 Btu/h
  • 5 tons and up57,000 Btu/h and up

The advanced view lists every model with filters for brand, standard, size and type, sortable by any rating.

Open the advanced view