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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. 1526VLZS4BA4210A*with ducted air handler AMST42CU1300ADaikin (sold as Goodman)3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.85
  2. 1527EZ-48-EHPBwith ducted air handler EZ-48-AHBDIYCOOL4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  3. 1528DOX630-48HFN10-M3with ducted air handler DVBC-48HWFN10-MD3E-DDUOHOME4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  4. 1529DRU1U48S2Awith ducted air handler DRUM4260S2ADurastar4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  5. 1530ESCA16H-48BBAwith ducted air handler EAHDEC-48ABAEcoer4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  6. 1531GUD60W2/NXF-D(U)with ducted air handler GCAC48H/NXAGree4 tons · 47,000 Btu/h · DuctedBelow the middle1.85
  7. 1532SPHP-Y-V048BBwith ducted air handler AIRH-Y-V04816CBGree (sold as Ac Pro)4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  8. 1533TM60D6MOGree (sold as Tosot)4.5 tons · 55,000 Btu/h · DuctlessBelow the middle1.85
  9. 1534TU60W-FDUwith ducted air handler TCAC48H/NXAGree (sold as Tosot)4 tons · 47,000 Btu/h · DuctedBelow the middle1.85
  10. 1535ZODA-48HIN4-M-SE18H*with ducted air handler ZVMXFC-48HI1N4-C-M-SE18iCongo4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  11. 1536EZ-48-EHPBwith ducted air handler EZ-48-AHBInfinityLiving4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  12. 1537SOV48H2BAwith ducted air handler SAV48BDAInnovair4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  13. 1538HP-48ODU-001with ducted air handler HP-48IDU-001Jetson4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  14. 1539HP-60ODU-001with ducted air handler HP-60IDU-001Jetson4.5 tons · 52,000 Btu/h · DuctedBelow the middle1.85
  15. 1540KOB-UUX48HP-2AAMAwith ducted air handler KIB-UUX48AH-2AAMAKaden4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  16. 1541KEENSTDHP48AAwith ducted air handler KEENHYDAH48AAKEEN Home4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  17. 1542A-KXP48TA-1with ducted air handler KXP48/60C1AKerr4 tons · 45,000 Btu/h · DuctedBelow the middle1.85
  18. 1543GLZS4BA4210A*with ducted air handler AMST42CU1300ALegacy Systems3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.85
  19. 1544KUSUB421Awith ducted air handler KNSLB421ALG3.5 tons · 42,000 Btu/h · DuctedBelow the middle1.85
  20. 1545KUSUB481Awith ducted air handler KNSLB481ALG4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  21. 1546KUSUB601Awith ducted air handler KNSLB601ALG4.5 tons · 52,500 Btu/h · DuctedBelow the middle1.85
  22. 1547D5CURAH48AAKwith ducted air handler D5FUAAH48XAKLPS Legacy4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  23. 154837MURAQ48AA3with ducted air handler 45MUAAQ48XX3Midea4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  24. 1549D5CURAH48AAKwith ducted air handler D5FUAAH48XAKMidea4 tons · 48,000 Btu/h · DuctedBelow the middle1.85
  25. 1550MO1AE-H48B-2Awith ducted air handler MAUAE-H48B-2AMidea4 tons · 48,000 Btu/h · DuctedBelow the middle1.85

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