Mitsubishi PKA-AK24NL & PUZ-AH24NL 24,000 BTU 21.1 SEER2 Wall Mounted Heat Pump System - R454B

Mitsubishi PKA‑AK24NL & PUZ‑AK24NL: 24,000 BTU Wall‑Mounted Hyper‑Heat Pump System

The Mitsubishi PKA‑AK24NL indoor unit paired with the PUZ‑AK24NL outdoor condenser delivers efficient 24,000 BTU cooling and powerful 28,000 BTU Hyper‑Heating output. Designed for single‑zone applications, this inverter‑driven mini‑split system offers dependable, year-round comfort for commercial and residential spaces up to 1,000 sq ft—even in outdoor temperatures as low as ‑13 °F. It uses low‑GWP R‑454B refrigerant and includes a factory‑installed base‑pan heater for cold-climate reliability.

General Information

System Type: Wall‑mounted ductless air handler + single‑zone Hyper‑Heat pump condenser
Models: Indoor – PKA‑AK24NL | Outdoor – PUZ‑AK24NL
Capacities: 24,000 BTU Cooling | 28,000 BTU Heating
Room Size: Ideal for up to 1,000 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant / Factory Charge: R‑454B, pre‑charged

Key Features

INVERTER Technology: Variable‑speed compressor ensures energy-efficient, responsive performance with minimal temperature fluctuation.

Hyper‑Heating Performance: Maintains 100% rated heating output at 5 °F and continues to deliver consistent warmth down to ‑13 °F.

Base‑Pan Heater: Factory‑installed heater minimizes ice buildup for reliable operation in freezing conditions.

Low‑Ambient Cooling: With optional wind baffle, system can maintain cooling operation down to 0 °F—ideal for IT rooms or process cooling needs.

Quiet Operation: Indoor unit operates as quietly as 39 dB(A), ensuring minimal disruption in living or working environments.

Smart Control Ready: Compatible with Mitsubishi wired and wireless controllers, third‑party thermostats, and the Mitsubishi Comfort App (MAC-568IF-E adapter required).

Specifications (Rated Conditions)

Cooling Capacity: 24,000 BTU | SEER2: 21.1 | EER2: 12
Heating Capacity @ 47 °F: 28,000 BTU | HSPF2: 9.4 | COP: 3.4
Heating Capacity @ 5 °F: 11,600 BTU (100%)
Electrical: 208/230 V | 1‑Ph | 60 Hz
Airflow (Dry): 635–775 CFM
Sound Pressure: Indoor 39–45 dB(A) | Outdoor 49-52 dB(A)
Piping: Liquid 3/8 in. | Gas 5/8 in. | Max line length 165 ft | Max height 100 ft
Outdoor Dimensions / Weight: 37-13/32" x 13" x 37-1/8″ | 224 lb
Drain Connection: 5/8 in. O.D.

Included Components

• Indoor Unit: PKA‑AK24NL wall‑mounted air handler

• Outdoor Unit: PUZ‑AK24NL Hyper‑Heat condenser

• Hand‑held IR Remote Controller

Ideal For

Business owners, homeowners, and installers seeking a reliable, cold-climate mini‑split for medium to large spaces. This system offers high efficiency, robust heating performance, and quiet operation—ideal for classrooms, offices, retail areas, or residential zones that need year-round comfort.