Mitsubishi PKA-AL18NL & PUZ-AK18NL 18,000 BTU 19.5 SEER2 Wall Mounted Heat Pump System - R454B - PKAAL18NL/PUZAK18NL
The Mitsubishi PKA‑AL18NL indoor unit paired with the PUZ‑AK18NL outdoor condenser delivers efficient 18,000 BTU cooling and powerful heating with Hyper-Heat technology. Designed for single-zone applications, this inverter-driven mini-split system provides dependable, quiet comfort for large spaces up to ~750 sq ft, even in harsh winter conditions down to -13°F. It operates with low-GWP R-454B refrigerant and features durable construction for reliable performance.
Features
-
INVERTER Technology: Variable-speed compressor for energy-efficient, responsive performance
-
Hyper-Heating Performance: Maintains strong heating capacity at low outdoor temperatures down to -13°F
-
Single-Zone Focus: Engineered specifically for reliable single-zone comfort in large residential or commercial spaces
-
Durable Construction: Blue Fin anti-corrosion coating and dual-barrier protection for long-term reliability
-
Quiet Operation: Indoor sound levels as low as 34 dB(A) for discreet comfort
-
Smart Control Ready: Compatible with wired/wireless controllers and Mitsubishi Comfort app for flexible system management
-
Low Ambient Cooling: Supports cooling operation down to 0°F for versatile year-round use
What Our Experts Think
-
18,000 BTU cooling and Hyper-Heat technology for year-round comfort.
-
Single-zone wall-mounted design for easy installation in residential or light commercial spaces.
-
Delivers reliable heating down to –13°F for cold climates.
-
Quiet operation ideal for bedrooms, offices, or open areas up to ~750 sq ft.
-
19.5 SEER2 efficiency for energy savings.
-
Uses low-GWP R-454B refrigerant for environmentally responsible performance.
Q&A
-
Q: What size area can this system cover?
A: Up to approximately 750 sq ft.
-
Q: Can it heat efficiently in very cold conditions?
A: Yes, Hyper-Heat ensures full heating performance down to –13°F.
-
Q: Is it energy-efficient?
A: Yes, with a 19.5 SEER2 rating for reduced energy consumption.
-
Q: What type of installation does it require?
A: Wall-mounted, single-zone setup.
Maintenance Tips
-
Clean or replace air filters regularly to maintain airflow and efficiency.
-
Keep the indoor unit free of dust and obstructions.
-
Check condensate lines periodically for clogs or buildup.
-
Schedule professional service annually for refrigerant and electrical system checks.
-
Ensure sufficient clearance around the unit for optimal airflow and performance.
