York Series

M Series W Series P Series
SEER: 16 SEER: 22 SEER: 18
ENERGY STAR rated? No ENERGY STAR rated? No ENERGY STAR rated? Yes
Compressor style: Inverter Compressor style: Inverter Compressor style: Inverter
Cooling output: 18,000 to 48,000 Btus Cooling output: 18,000 to 48,000 Btus Cooling output: 9,000 to 36,000 Btus
Mount: Wall, ceiling, and floor Mount: Wall, ceiling, and floor Mount: Wall
Zones: Up to five Zones: Up to five Style: Heat pump
Style: Heat pump Style: Heat pump Unit: Indoor and outdoor
Unit: Indoor and outdoor Unit: Indoor and outdoor
X Series R Series Z Series
SEER: 23 SEER: 20 SEER: 28
ENERGY STAR rated? Yes ENERGY STAR rated? No ENERGY STAR rated? Yes
Compressor style: Inverter Compressor style: Inverter Compressor style: Inverter
Cooling output: 9,000 to 24,000 Btus Cooling output: 18,000 to 48,000 Btus Cooling output: 9,000 to 18,000 Btus
Mount: Wall Mount: Ceiling or floor Mount: Wall
Zones: Single Zones: Single Zones: Single
Style: Heat pump Style: Heat pump Style: Heat pump
Unit: Indoor and outdoor Unit: Indoor and outdoor Unit: Indoor and outdoor
Mini-VRF Heat Pump
SEER: 23
ENERGY STAR rated? No
Compressor style: Inverter
Cooling output: 36,000 to 60,000 Btus
Mount: Wall, ceiling, or floor
Zones: Up to five
Style: Heat pump
Unit: Indoor and outdoor