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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. 1176MXZ-SM48NLHZ-**Mitsubishi Electric4 tons · 48,000 Btu/h · DuctedGood2.00
  2. 1177MXZ-SM48NLHZ***Mitsubishi Electric4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  3. 1178PUMY-HL42NKMU***Mitsubishi Electric3.5 tons · 42,000 Btu/h · DuctlessBelow the middle2.00
  4. 1179PUMY-HL48NKMU***Mitsubishi Electric4 tons · 48,000 Btu/h · DuctlessBelow the middle2.00
  5. 1180PUZ-AK60NL2***with ducted air handler PVA-AA60NLMitsubishi Electric4.5 tons · 56,000 Btu/h · DuctedGood2.00
  6. 1181SUZ-AK60NL2***with ducted air handler SVZ-AP60NLMitsubishi Electric4.5 tons · 56,000 Btu/h · DuctedGood2.00
  7. 1182SUZ-CK48NLH2***with ducted air handler SVZ-AP48NLMitsubishi Electric4 tons · 48,000 Btu/h · DuctedGood2.00
  8. 1183HO-MS48-LA-QMitsutomo4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  9. 1184HO-SG48-LA-Qwith ducted air handler HV-UG48-LA-QMitsutomo4 tons · 48,000 Btu/h · DuctedGood2.00
  10. 1185UHO48-NB-LA-Qwith ducted air handler UHMX3-48-CB-LA-QMitsutomo4 tons · 48,000 Btu/h · DuctedGood2.00
  11. 1186MSHMA48R2AN1with ducted air handler MAHHA48R4AS1MOOVAIR4 tons · 48,000 Btu/h · DuctedGood2.00
  12. 1187MXHZA4862AV1MOOVAIR4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  13. 1188DIY-MULTI6-48HP230D-OMRCOOL3.5 tons · 43,000 Btu/h · DuctlessBelow the middle2.00
  14. 1189DIY-MULTI6-55HP230D-OMRCOOL4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  15. 1190UHP18048-Owith ducted air handler UAH18048 - OMRCOOL4 tons · 48,000 Btu/h · DuctedGood2.00
  16. 1191PHB560000H000B*MSH LEGACY4.5 tons · 56,000 Btu/h · DuctedGood2.00
  17. 1192PHB560000K000B*MSH LEGACY4.5 tons · 56,000 Btu/h · DuctedGood2.00
  18. 119348MPC6-HH-BMulti MFG4 tons · 45,000 Btu/h · DuctlessBelow the middle2.00
  19. 1194MSH-48HD-Bwith ducted air handler 48CCHP0-C-S-BMulti MFG4 tons · 48,000 Btu/h · DuctedGood2.00
  20. 1195MSU-48HD-Bwith ducted air handler 48CCHP0-C-S-BMulti MFG4 tons · 48,000 Btu/h · DuctedGood2.00
  21. 1196NDHAMBB-48-ONAPOLEON4 tons · 47,000 Btu/h · DuctlessBelow the middle2.00
  22. 1197CSH4BE5M2SX60Kwith ducted air handler B65VMMX60K*CNortek Global HVAC (sold as Maytag)4.5 tons · 53,500 Btu/h · DuctedGood2.00
  23. 1198FSH4BE5M2SX60Kwith ducted air handler B65VMMX60K*CNortek Global HVAC (sold as Frigidaire)4.5 tons · 53,500 Btu/h · DuctedGood2.00
  24. 1199PSH4BE5M2SX60Kwith ducted air handler B65VMMX60K*CNortek Global HVAC (sold as Maytag)4.5 tons · 53,500 Btu/h · DuctedGood2.00
  25. 1200SH4BE5M2SX60Kwith ducted air handler B65VMMX60K-CNortek Global HVAC (sold as Nordyne)4.5 tons · 53,500 Btu/h · DuctedGood2.00

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