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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. 2151ZE-12DB22Owith ductless indoor unit ZE-12DB22AIZEPHYR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  2. 2152ZE-12DB25Owith ductless indoor unit ZE-12DB25IZEPHYR1 ton · 12,000 Btu/h · DuctlessBelow the middle1.90
  3. 2153ZE-18CB25Owith ductless indoor unit ZE-18CB25IZEPHYR1.5 tons · 18,000 Btu/h · DuctlessBelow the middle1.90
  4. 2154ZMSB-12HVT110-USR1with ductless indoor unit ZMSB-12HVT110-USR1ZERO1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  5. 2155TAC-12CHSA/*1I-X17R-Owith ductless indoor unit TAC-12CHSA/*1I-X17R-IZOKOP1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  6. 2156TAC-12CHSA/*1I-X17R-O*with ductless indoor unit TAC-12CHSA/*1I-X17R-IZOKOP1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  7. 2157TMSC-09HA2/I2XI19B-O*with ductless indoor unit TMSC-09HA2/I2XI19B-IZOKOP1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  8. 2158TSC-09HA1/I2XI20B-Owith ductless indoor unit TSC-09HA1/I2XI20B-IZOKOP1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  9. 2159TSC-09HA1/I2XI20B-O*with ductless indoor unit TSC-09HA1/I2XI20B-IZOKOP1 ton · 9,000 Btu/h · DuctlessBelow the middle1.90
  10. 2160ZP12T1CHSA17-Owith ductless indoor unit ZP12T1CHSA17-IZOKOP1 ton · 11,500 Btu/h · DuctlessBelow the middle1.90
  11. 2161ACIQ-K09Z-HP230Bwith ductless indoor unit ACIQ-K09W-W-HP230BACIQ1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  12. 2162AO25-09N2-M1Hwith ducted air handler AL-09N2-M1AI AIR CONDITIONING1 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  13. 2163ATPRO24-09H1Bwith ductless indoor unit ATPRO24-09H1AApooDr1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  14. 2164ATPRO24-09H1Bwith ductless indoor unit ATPRO24-09H1AAprodr1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  15. 2165AMAR09HP230V1COwith ductless indoor unit AMAR09HP230V1CHAUX1 ton · 9,200 Btu/h · DuctlessBelow the middle1.89
  16. 2166MYTD09NA13BCH24-Owith ductless indoor unit MYTW09NA13BCH24-IBestcold1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  17. 2167MYTW09NA13BCH20-Owith ductless indoor unit MYTW09NA13BCH20-IBestcold1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  18. 2168MYTW09NA13BCH24ES-Owith ductless indoor unit MYTD09NA13BCH24ES-IBestcold1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  19. 2169MYTW09NA23BCH20/Owith ductless indoor unit MYTW09NA23BCH20/IBestcold1 ton · 9,000 Btu/h · DuctlessBelow the middle1.89
  20. 2170BMS927HHYCwith ducted air handler BMC9LCDBlueRidge1 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  21. 2171BXS5A09UC0with ducted air handler BXAFA09CDLBlueRidge1 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  22. 2172BMS500-AAS009-1CSXHDwith ducted air handler BMS500-AAU009-1AHDXDBosch1 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  23. 2173BZ33-HYP09OUT2-454-G3-Pwith ducted air handler BZ33-DIDU9-454-G3-PBreeze331 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  24. 21744C28SCH09H21with ducted air handler 4C28SEDL09H21CanAir1 ton · 9,000 Btu/h · DuctedBelow the middle1.89
  25. 217537MAHAQ09AA3with ducted air handler 45MBDAQ12XA3Carrier1 ton · 9,000 Btu/h · DuctedBelow the middle1.89

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