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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. 326CH-RHP48M-230VOCooper&Hunter (sold as C&H)4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  2. 327CH-RVHP48M-230VOCooper&Hunter4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  3. 328CCOXHBMZ648HPCustom Comfort4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  4. 329CCOXHBSZ48CHPwith ducted air handler CCOXHBSD48Custom Comfort4 tons · 48,000 Btu/h · DuctedGood2.00
  5. 330RZA48AAVJU*with ductless indoor unit FCA48A*VJUDaikin4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  6. 331DXFMT-4224-5ZDAIZUKI3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  7. 332048-TCQ-MODU-1D5Della3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  8. 333048-TLP-MODU-1D5Della3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  9. 334048-TLP-MODU-1D5*Della4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  10. 335048-TLP-MODU-1D6Della4.5 tons · 55,000 Btu/h · DuctlessBelow the middle2.00
  11. 336048-TPH-MODU-1D6Della4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  12. 337DIRM4-48HXPRO28-5ZDIRECT AIR4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  13. 338DIRM4-48HXPRO28-6ZDIRECT AIR4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  14. 339DIRM4-48LCHX-1Zwith ducted air handler DIRM4-48HP-DUDIRECT AIR4 tons · 48,000 Btu/h · DuctedGood2.00
  15. 340EZ-48Z-M5BDIYCOOL3.5 tons · 43,000 Btu/h · DuctlessBelow the middle2.00
  16. 341DRA6H48M2ADurastar4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  17. 342EDMO-48HECO-AIR4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  18. 343EDMO-48H-6GXECO-AIR (sold as Eco Air)4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  19. 344EDSO-48Hwith ducted air handler EDHS-48UECO-AIR4 tons · 48,000 Btu/h · DuctedGood2.00
  20. 345EOVASIG-MULTI42M5ÉcoNova3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  21. 346EXHZA4862AV1ELIOS4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  22. 347EMXMZ548DAEMI4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  23. 348SAC003-B-42KWH-USTPEnerGlow3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  24. 349SAC003-B-42KWH-USTPEUHOMY3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  25. 350SAC003-B-42KWH-USTPFeelfunn3.5 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