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18,000 BTU Single-Zone HyperTek Heat Mini-Split System with Indoor & Outdoor Units, 230V

Model #3PAMSHH18-SYS

If you need a reason to hibernate during the winter, this is it. With an 18,000 BTU capacity, this ductless mini-split system from Perfect Aire® keeps you cozy even as temperatures plummet to -22℉. The powerhouse behind it is HyperTek® heat technology, engineered to withstand extreme cold. Perhaps most comforting of all is that this ductless system allows you to heat and cool individual rooms with utmost efficiency, so you’ll see a payoff in your energy bills. So sit back, relax and let comfort come your way with 360 airflow control and a remote that puts temperature control in your hands.

• ADVANCED AIRFLOW: Use the horizontal louvers to direct air where you want it, or set the BREEZE AWAY mode to disperse air throughout the room.

• TEMPERATURE-SENSING REMOTE: Includes a full-function remote control with a built-in thermostat that puts you in control of your comfort from anywhere in the room.

• SILENCE MODE: Set the system to run at a lower frequency for quieter performance.

• HIDDEN LED DISPLAY: Turn off the indoor unit’s lighted display for a good night’s sleep.

• 24-HOUR TIMER: Programmable timer allows you to automatically set when your system turns on and off.

• OPTIONAL WIFI: Add an optional Wi-Fi kit (PAMSWIFI-AG-AF) to control your mini split system via the app or voice control.

• HyperTek HEAT: Operating temperatures down to -22°F keeps you toasty even in the harshest winter environments.

• INVERTER TECHNOLOGY: Inverter compressor reduces friction for smoother rotation and less vibration, resulting in a quieter and more efficient air conditioner.

• REFRIGERANT LEAK DETECTION: Displays error code on indoor unit if outdoor unit detects a refrigerant leak condition

• System includes models 3PAMSHH18-UVW and 3PAMSHH18-SZO


Cooling Capacity (BTU): 18000

Heating Capacity (BTU): 18000

Coverage Area (sq. ft.): 250

Smart Home Compatible: Adapter Kit

SEER2: 22

HSPF4: 11


Cooling Operating Temperature Range (°F): -22 - 122

Heating Operating Temperature Range (°F): -22 - 86


Indoor Unit Dimensions (WxHxD)(in.): 42.75 x 13.25 x 9.25

Outdoor Unit Dimensions (WxHxD)(in.): 35 x 26.5 x 13.5

Indoor Unit Weight (lb.): 29.75

Outdoor Unit Weight (lb.): 101.0


Power Supply (V): 230

Maximum Fuse (A): 25.0

No-Hassle Comprehensive Product Warranty

7 Years Parts/Compressor


View available manuals, energy guides, or submittal sheets.