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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, 2.5–3 tons: every model, highest efficiency on a 5°f day first

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

  1. 26RH436E2S11with indoor coil D(A,C,E)36B4J+TDR and furnace TM8Y100C20MP11York (sold as Guardian)2.5 tons · 30,200 Btu/h · DuctedTop 10%2.91
  2. 27NS15H30HA5***with ducted air handler D(A,C,E)36A4J+TDRGE Appliances2.5 tons · 27,200 Btu/h · DuctedTop 10%2.89
  3. 28RD18AY48AJVCwith ducted air handler D(A,C,E)60D3J+TDRRheem3 tons · 37,600 Btu/h · DuctedTop 10%2.88
  4. 295A6V8X36A1with indoor coil D(A,C,E)36B4J+TDR and furnace S9V2C080U5PSC+LRPTrane (sold as American Standard)2.5 tons · 30,400 Btu/h · DuctedTop 10%2.88
  5. 30YH536E2S11with ducted air handler L(E,G)M36EKYork2.5 tons · 32,600 Btu/h · DuctedTop 10%2.86
  6. 315TWV8X36A1with indoor coil D(A,C,E)36C3J+TDR and furnace S8V2C080M5PCBTrane2.5 tons · 29,800 Btu/h · DuctedTop 10%2.85
  7. 32RD16AY36AJVCwith indoor coil D(A,C,E)36D3J+TDR and furnace U97MV1155A24DHSRheem (sold as RUUD)2.5 tons · 31,800 Btu/h · DuctedTop 10%2.84
  8. 335A6H5042A1with indoor coil DH60T4J and furnace L8V1B080U4VSBTrane (sold as American Standard)3 tons · 36,000 Btu/h · DuctedTop 10%2.84
  9. 345TWR5042A1with indoor coil DH60T4J and furnace L8V1B080U4VSBTrane3 tons · 36,000 Btu/h · DuctedTop 10%2.84
  10. 355A6H4042A1with indoor coil DH60T4J and furnace S8V2C100M5PCBTrane (sold as American Standard)3 tons · 36,000 Btu/h · DuctedTop 10%2.83
  11. 365TWR4042A1with indoor coil DH60T4J and furnace S8V2C100M5PCBTrane3 tons · 36,000 Btu/h · DuctedTop 10%2.83
  12. 37YH636E2S11with ducted air handler A(E,F)M36J+TDRYork2.5 tons · 32,200 Btu/h · DuctedTop 10%2.83
  13. 38ACIQ-42-HPDwith ducted air handler AE*L+DM59A4J+TDRACIQ3 tons · 38,500 Btu/h · DuctedTop 10%2.81
  14. 395TWX5042A1with indoor coil DH60T4J and furnace S9X1B080U4PSBTrane3 tons · 38,500 Btu/h · DuctedTop 10%2.81
  15. 40MOM27H2XE3AInnovair2.5 tons · 27,000 Btu/h · DuctlessTop 10%2.80
  16. 417HP19V36P-**Awith indoor coil D(A,C,E)36D4J+TDR and furnace 97G2UH090CV20Lennox (sold as Ducane)3 tons · 34,200 Btu/h · DuctedTop 10%2.80
  17. 4237MUHAQ30AA3+TIC2025-0016with indoor coil D(A,C,E)36A3J+TDR and furnace 58SU*B060M17**16Carrier2.5 tons · 27,000 Btu/h · DuctedTop 10%2.79
  18. 43A5HP5042A1with indoor coil D(A,C,E)48C3J+TDR and furnace A801X080BM4TDTrane (sold as Runtru)3 tons · 36,600 Btu/h · DuctedTop 10%2.79
  19. 44N5H5S42*K*AAA*with indoor coil D(A,C,E)60D3J+TDR and furnace *80MS(N,L)0902116ACarrier (sold as HEIL)3 tons · 38,500 Btu/h · DuctedTop 10%2.78
  20. 45R5H5S42*K*AAA*with indoor coil D(A,C,E)60D3J+TDR and furnace *80MS(N,L)0902116ACarrier (sold as HEIL)3 tons · 38,500 Btu/h · DuctedTop 10%2.78
  21. 465A6H6036A1with ducted air handler L(E,F)W36DJTrane (sold as American Standard)2.5 tons · 29,600 Btu/h · DuctedTop 10%2.78
  22. 475TWR6036A1with ducted air handler L(E,F)W36DJTrane2.5 tons · 29,600 Btu/h · DuctedTop 10%2.78
  23. 48ACIQ-30-HPDwith ducted air handler AE*S+CM30B3J+TDRACIQ2.5 tons · 27,400 Btu/h · DuctedTop 10%2.77
  24. 4937MURAQ30AA3with indoor coil D(A,C,E)36A3J+TDR and furnace 82*TB66135V24Carrier (sold as Bryant Heating and Cooling Systems)2.5 tons · 28,800 Btu/h · DuctedTop 10%2.77
  25. 50A5HP4042A1with ducted air handler AE*L+CM48D4J+TDRTrane (sold as Ameristar)3 tons · 37,000 Btu/h · DuctedTop 10%2.77

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