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Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
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, Up to 1.5 tons: every model, highest efficiency on a 5°f day first
Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
- 32637MGRAQ18CA3Midea1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 327D5CMRAH18CAKMidea1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 328M3OX430-18HFN10-M1Midea (sold as MDV)1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 329M3OX430-18HFN10-M1-DMidea (sold as MDV)1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 330M3OX430-18HFN10-M1PMidea1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 331M3OX430-18HFPN10-M1with ductless indoor unit MSAB3B-06HRFPN10-M1Midea (sold as MDV)1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 332MO3EX-H18B-2AMidea1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 333MXHSA1832AN1MOOVAIR1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 334DIY-MULTI3-18HP230D-OMRCOOL1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 335MULTI3-18HP230C-OMRCOOL1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 336LEA18MZ3P26-ONOVAIR1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 337EZ-18Z-M2BPolarWave1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 338ML18HP230MUL - ORheem (sold as Mainline)1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 339ML18HP230MUL-O*Rheem (sold as Mainline)1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 340MZ18H525ZMOSEA BREEZE+1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.31
- 341A3MO21-18N2-M1AI AIR CONDITIONING1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 342AM3OA-18HFN1ApooDr1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 343AM3OA-18HFN1Aprodr1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 344CMZ3-24-3ZCOMFORTSTAR1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 345CCOESBZ12HPwith ductless indoor unit CCOXHBWM12Custom Comfort1 ton · 12,000 Btu/h · DuctlessTop 10%2.30
- 346RXC12AXVJUwith ductless indoor unit FTXC12AXVJUDaikin1 ton · 12,000 Btu/h · DuctlessTop 10%2.30
- 347D3OX430-18HFN10-M1-DDUOHOME1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 348DRA3U18M2ADurastar1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 349EXHSA1832AN1ELIOS1.5 tons · 18,000 Btu/h · DuctedGreat2.30
- 350AOUH18KUAH1with ductless indoor unit ABUH18KUASFujitsu1.5 tons · 18,000 Btu/h · DuctlessTop 10%2.30
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