Mitsubishi PEAD-AA18NL & PUZ-AK18NL 18,000 BTU 20.1 SEER2 Horizontal-Ducted Heat Pump System - R454B - PEADAA18NL/PUZAK18NL

Mitsubishi PEAD-AA18NL & PUZ-AK18NL 18,000 BTU 20.1 SEER2 Horizontal-Ducted Heat Pump System - R454B - PEADAA18NL/PUZAK18NL

The Mitsubishi PEAD-AA18NL paired with the PUZ-AK18NL outdoor unit delivers efficient heating and cooling in an 18,000 BTU single-zone ducted system. Designed for rooms up to ~750 sq ft, it’s ideal for bedrooms, offices, or any space needing discreet, year-round comfort.

Featuring an INVERTER-driven compressor and low-ambient cooling down to 0°F (with wind baffles), this system provides precise temperature control and maintains capacity even in challenging climates. The slim 9-7/8″ height indoor unit fits easily into tight ceiling cavities or soffits. Advanced Blue Fin and seacoast protection coatings safeguard the outdoor coil and components for long-lasting performance in coastal or industrial areas.

Enjoy quiet operation with indoor sound levels as low as 28 dB(A), and flexible control options including wired and wireless remotes, third-party thermostat interfaces, and full smartphone access via the Comfort app. ENERGY STARcertification ensures energy-efficient performance and savings.

Features

• INVERTER-Driven Compressor: Efficient, precise temperature control

• Low-Ambient Cooling: Operates down to 0°F with wind baffles

• Compact Design: Slim 9-7/8″ height for easy installation in tight spaces

• Quiet Operation: Indoor sound levels as low as 28 dB(A)

• Seacoast & Blue Fin Protection: Enhanced corrosion resistance for coastal areas

• Smart Controls: Compatible with Comfort app, wired & wireless remotes, third-party thermostats

• ENERGY STARCertified: Energy-efficient performance for year-round savings

System Type: Ducted concealed indoor unit + single-zone heat pump outdoor unit
Models: Indoor – PEAD-AA18NL | Outdoor – PUZ-AK18NL
Capacities: 18,000 BTU Cooling | Up to 22,000 BTU Heating
Room Size: Ideal for ~750 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR: Yes
Refrigerant / Factory Charge: R-454B, 4.6 lb

What Our Experts Think

• 18,000 BTU horizontal-ducted heat pump perfect for single-zone applications up to ~750 sq ft.

• Hyper-efficient 20.1 SEER2 rating reduces energy costs while providing reliable year-round comfort.

• Quiet operation ideal for bedrooms, offices, or small living spaces.

• Uses environmentally friendly R454B refrigerant.

• Compact design allows flexible horizontal-ducted installation.

Q&A

• Q: What size room is this best for?
  A: Ideal for rooms up to ~750 sq ft.

• Q: Can it provide both heating and cooling?
  A: Yes, delivers efficient year-round heating and cooling.

• Q: Is it quiet enough for bedrooms?
  A: Yes, designed for low-noise operation.

• Q: What refrigerant does it use?
  A: R454B, a low-GWP, eco-friendly refrigerant.

Maintenance Tips

• Check and clean filters monthly to maintain airflow.

• Schedule annual professional maintenance for refrigerant and performance checks.

• Keep outdoor unit clear of debris for optimal operation.

• Inspect ductwork for leaks and blockages periodically.

• Ensure condensate drains remain unobstructed to prevent water damage.