The Mitsubishi PAA-BA42NL & PUZ-AK42NLHZ is a 42,000 BTU Hyper-Heat split system featuring H2i® technology for 100% heating capacity down to 5°F and operation to -13°F. With inverter-driven efficiency, hybrid furnace compatibility, smart controls, and corrosion-resistant protection, it delivers reliable year-round comfort for larger residential and light commercial spaces.

Unit Type: Single Zone
Product Line: P-Series
Operating Mode: Cooling & Heating
Low Ambient Heat: Yes
Number of Zones: 1
System Capacity: 42,000 BTU
Line Set Size: 3/8" x 5/8"
WiFi Enabled: Yes with Comfort App
WiFi Built In: No

Indoor Unit PAA-BA42NL
Outdoor Unit PUZ-AK42NLHZ
Remote Control NOT Included

Cooling Capacity up to 44,500 BTU
Heating Capacity up to 54,000 BTU
SEER2 17.1
EER2 10.8
HSPF2 8.7
Heating Minimum Temp -22 F
Room Cooling/Heating Capacity up to 1,750 sq ft

INDOOR UNIT FEATURES
Furnace Compatible: Compatible with most gas furnaces, intelli-HEAT® allows for Intelligent Switchover between the furnace and heat pump operation.
*Mitsubishi Electric air-conditioner and heat pump systems should only be connected with ANSI-Z21.47/CSA2.3 certified furnaces
Intelligent Switchover: Intelligent Switchover from electric heat pump to gas furnace operation in extreme cold for consistent comfort. The system can
also be set to switch based optimal energy efficiency and to reduce your carbon footprint.
High Quality Drain Pan: High quality drain pan material with high heat tolerance and low moisture absorption
Multi-Position Installation: Versatile installation options, including horizontal (left or right) and vertical (up or down) orientations, with included drain pans
to facilitate easy setup for any configuration.
Available Widths: Available in 14.5”, 17.5”, and 21” widths
OUTDOOR UNIT FEATURES
H2i® Hyper-Heating: 100% heating performance down to 5° F with guaranteed heating down to -13° F.
Inverter Driven Compressor: Inverter technology uses only the precise amount of energy needed to keep a space comfortable.
Blue Fin Coating: Anti-corrosion coating that protects the outdoor heat exchanger against salt, sulfur, and other airborne contaminants that impact the
efficiency and performance of the outdoor units.
Base Pan Heater: This advanced base pan heater helps to prevent interrupted operation due to water freezing after a defrost cycle, ensuring your
warmth and comfort during colder weather.
Seacoast Protection: Designed to protect against the corrosive effects of environments that are in close proximity to the sea.
Flash Injection: Flash Injection enables optimum compressor performance when it is running at higher speeds to maintain indoor comfort during cold
temperatures.

Rated Airflow CFM, Dry: 1,225
Maximum Airflow CFM, Dry: 1,660
Minimum Airflow CFM, Dry: 936
Size W x D x H: 17-9/16" x 21-7/16" x 32"
Weight: 72.8 lbs