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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.

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

  1. 526D5CMTAH48FAKLPS Legacy4 tons · 48,000 Btu/h · DuctlessBelow the middle1.85
  2. 52737MTRAQ48FA3Midea4 tons · 48,000 Btu/h · DuctlessBelow the middle1.85
  3. 528D5CMTAH48FAKMidea4 tons · 48,000 Btu/h · DuctlessBelow the middle1.85
  4. 529M6OE30-48HFN10-M1D**Midea (sold as MDV)4 tons · 48,000 Btu/h · DuctlessBelow the middle1.85
  5. 530KEENUMHP48AAwith ductless indoor unit KEENFCAH48AAKEEN Home4 tons · 48,000 Btu/h · DuctlessBelow the middle1.83
  6. 531MMPD048S6M-1PLennox4 tons · 46,000 Btu/h · DuctlessBelow the middle1.81
  7. 532AJ048DXJ5CGSamsung4 tons · 46,000 Btu/h · DuctlessBelow the middle1.81
  8. 533BXM0Z42SC0BlueRidge3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  9. 534EMUL42HPJ132OABOREAL3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  10. 5355G42ED2BE**GE Appliances3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  11. 536GWHD(42)ND6NOGree3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  12. 537MUE42HP230V1R32AOGree3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  13. 538TGWHD-42NDGree (sold as Tosot)3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  14. 539TMH42D32NOGree (sold as Tosot)3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  15. 5405Q42RT2BE**HAIER3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  16. 541PUZ-AK42NLHZ***with ductless indoor unit PLA-AE42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  17. 542PUZ-AK42NLHZ2***with ductless indoor unit PLA-AE42NLMitsubishi Electric3.5 tons · 42,000 Btu/h · DuctlessBelow the middle1.80
  18. 543AC048DXADCGwith ductless indoor unit AC048DN4DCGSamsung4 tons · 48,000 Btu/h · DuctlessBelow the middle1.80
  19. 544AC048DXSCCGwith ductless indoor unit AC048DN4DCGSamsung4 tons · 48,000 Btu/h · DuctlessBelow the middle1.80
  20. 545MXZ-5D42NL***Mitsubishi Electric3.5 tons · 40,500 Btu/h · DuctlessBelow the middle1.76

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