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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.

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

  1. 1901RHPBYB048AJTFriedrich4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  2. 1902RHPBYB048AJTFujitsu4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  3. 1903PKHP-M-0481BBGree (sold as Ac Pro)4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  4. 1904KPHD-48MB134LKaden4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  5. 1905SRHP4800S1ALennox (sold as Comfort-Aire)4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  6. 1906MRD-48HWN10-M134LMidea4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  7. 1907WSCHV0060BA1-Nwith ducted air handler WECC60ABC1NAPOLEON4.5 tons · 51,000 Btu/h · DuctedBelow the middle1.78
  8. 1908RHPBYB048AJTRheem4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  9. 1909RHPBYB048AJTRUSSELL4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  10. 1910PHP0482301134MSNCXFC454BSinclair4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  11. 1911RHPBYB048AJTTHERMAL ZONE4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  12. 1912J5PD4048*Trane (sold as Oxbox)4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  13. 1913TPHM4048100ATUTTOKOOL4 tons · 45,500 Btu/h · DuctedBelow the middle1.78
  14. 1914RHPBYB048AJTWHIRLPOOL4 tons · 46,000 Btu/h · DuctedBelow the middle1.78
  15. 1915D5CUHAH48AAK+TIC2025-0016with ducted air handler FTMA5B60L0DCarrier (sold as HEIL)4 tons · 47,500 Btu/h · DuctedBelow the middle1.76
  16. 1916MXZ-5D42NL***Mitsubishi Electric3.5 tons · 40,500 Btu/h · DuctlessBelow the middle1.76
  17. 1917PHM460000K000B*ACIQ4.5 tons · 54,500 Btu/h · DuctedBelow the middle1.75
  18. 1918FSH4BE5M1SP42Kwith ducted air handler B65BMMX42K*CAireForce3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.75
  19. 1919FSH4BE5M1SP48Kwith ducted air handler B65EMMX48K*CAireForce4 tons · 46,500 Btu/h · DuctedBelow the middle1.75
  20. 1920FSH4BF5M2SX48Kwith ducted air handler B65VMMX3648K*CAireForce4 tons · 45,500 Btu/h · DuctedBelow the middle1.75
  21. 1921FSH4BF5M2SX60Kwith ducted air handler B65VMMX60K*CAireForce4.5 tons · 53,500 Btu/h · DuctedBelow the middle1.75
  22. 1922WSH4BE5M1SP42Kwith ducted air handler B65BMMX42K*CAireForce3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.75
  23. 1923WSH4BE5M1SP48Kwith ducted air handler B65EMMX48K*CAireForce4 tons · 46,500 Btu/h · DuctedBelow the middle1.75
  24. 1924USH4BE5M1SP42Kwith ducted air handler B65BMMX42K-CAirevantage3.5 tons · 40,500 Btu/h · DuctedBelow the middle1.75
  25. 1925USH4BE5M1SP48Kwith ducted air handler B65EMMX48K-CAirevantage4 tons · 46,500 Btu/h · DuctedBelow the middle1.75

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