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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. 351FA-M42-D5TL-O-454ForestAir3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  2. 352FMH-42HEI5/230U24Ufuji comfort3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  3. 353FMH5H42D230Ufuji comfort3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  4. 354MWHQ048NC2AA*GE Appliances4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  5. 355TFM5G42CHAIR454BGenerallux3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  6. 356AU48VFPTYAHAIER4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  7. 357AUW-48U3TH1(JCH)with ducted air handler AUD-48UX3TEH1(JCH )Hisense3.5 tons · 44,000 Btu/h · DuctedGood2.00
  8. 358HVAHP048C23S*HITACHI4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  9. 359RAM-G42N5HAAHITACHI3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  10. 360RAM-G42N5HBAHITACHI3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  11. 361F42FMH22XQCiFFALCON3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  12. 362F48FMHD6XPCiFFALCON4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  13. 363EZ-48Z-M5BInfinityLiving3.5 tons · 43,000 Btu/h · DuctlessBelow the middle2.00
  14. 364MOM48H2BH6AInnovair4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  15. 365MOM48H2BH6BInnovair4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  16. 366MOS48H2BH0Awith ducted air handler MDH48H2MHWAInnovair4 tons · 48,000 Btu/h · DuctedGood2.00
  17. 367KOB-HH-PS548HP-2AAMAKaden4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  18. 368KOB-HH-PS648HP-2AAMAKaden4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  19. 369KWSMO-42IR454BHS19KANIONco3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  20. 370KWSMO-48IR454BHS24RKANIONco4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  21. 371KWSMO-55IR454BHS22.5RKANIONco4.5 tons · 55,000 Btu/h · DuctlessBelow the middle2.00
  22. 372KEENHYZHP49AAKEEN Home4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  23. 373A-KHP486A-1Kerr4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  24. 374KMHR648-H224-4KLIMAIRE4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  25. 375KMIP542-H221-4KLIMAIRE3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00

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