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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, Up to 1.5 tons: every model, highest efficiency on a 5°f day first

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

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

  1. 2751TWH12CD32AOwith ductless indoor unit TWH12CD32AIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  2. 2752TWH12R32DOwith ductless indoor unit TWH12R32DSIGree (sold as Tosot)1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  3. 2753TWH18AD32AOwith ductless indoor unit TWH18AD32AIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  4. 2754TWH18AR32AOwith ductless indoor unit TWH18AR32AIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  5. 2755TWH18AV29D6DOwith ductless indoor unit TWH18AV29D6DIGree (sold as Tosot)1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  6. 2756WZEN09HPL132AOwith ductless indoor unit WZEN09HPL132AHGree1 ton · 9,100 Btu/h · DuctlessBelow the middle1.80
  7. 27571Q09RT2BE**with ductless indoor unit QS09WP2BEHAIER1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  8. 27581Q09TE1BE**with ductless indoor unit QS09WB1BEHAIER1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  9. 27591Q09TE2BE**with ductless indoor unit QS09WB2BEHAIER1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  10. 27601Q12FF2BE**with ductless indoor unit QS12WB2BEHAIER1 ton · 11,800 Btu/h · DuctlessBelow the middle1.80
  11. 27611Q12RT2BE**with ductless indoor unit QS12WP2BEHAIER1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  12. 27621Q12TE1BE**with ductless indoor unit QS12WB1BEHAIER1 ton · 11,500 Btu/h · DuctlessBelow the middle1.80
  13. 27631Q12TE2BE**with ductless indoor unit QS12WB2BEHAIER1 ton · 11,800 Btu/h · DuctlessBelow the middle1.80
  14. 27641Q15FF2BE**with ductless indoor unit QS15WB2BEHAIER1 ton · 13,500 Btu/h · DuctlessBelow the middle1.80
  15. 27651Q18FF2BE**with ductless indoor unit QS18WB2BEHAIER1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  16. 27661Q18RT2BE**with ductless indoor unit QS18WP2BEHAIER1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  17. 27671Q18TE2BE**with ductless indoor unit QS18WB2BEHAIER1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  18. 27682Q18FF2BE**HAIER1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  19. 27692Q20RT2BE**HAIER1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.80
  20. 2770DS-2MS1821HC170with ductless indoor unit DS-2MS1821HE170HEMA1.5 tons · 17,000 Btu/h · DuctlessBelow the middle1.80
  21. 2771AOU-09U3T25Uwith ducted air handler ADU-09U3T25UHisense1 ton · 9,000 Btu/h · DuctedBelow the middle1.80
  22. 2772AOU-12U3T25Uwith ducted air handler ADU-12U3T25UHisense1 ton · 12,000 Btu/h · DuctedBelow the middle1.80
  23. 2773AUW-09U3TS1with ductless indoor unit AST-12UW3TXEDN00AHisense1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80
  24. 2774AUW-12U3TS1with ductless indoor unit AST-12UW3TXEDN00AHisense1 ton · 12,000 Btu/h · DuctlessBelow the middle1.80
  25. 2775RAC-GJ09WHAAwith ductless indoor unit RAK-GJ09PHAAHITACHI1 ton · 9,000 Btu/h · DuctlessBelow the middle1.80

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