Mitsubishi

Mitsubishi PUY-AK42NL and PAA-CA42NL Cooling Only Ductless Split System R-454B | AC Units For Less

Model: PUY-AK42NL PAA-CA42NL SKU: PUY-AK42NL PAA-CA42NL

R-454B

Uses R-454B refrigerant
Built for Residential use

$4,883.00 Free Shipping

In Stock

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At a Glance

Key Specifications

System Type Central Air Conditioners

Refrigerant R-454B

Fuel Type Electric

Overview

Product Overview

Product

Indoor Unit: PAA-CA36NL
Outdoor Unit: PUY-AK36NL

Description

The Mitsubishi Electric PUY-AK42NL and PAA-CA42NL combination is a high-efficiency 3.5-ton ducted intelli-HEAT® HVAC system designed for residential and light commercial applications. The system combines an inverter-driven outdoor condensing unit with a multi-position indoor cased coil to deliver energy-efficient cooling, quiet operation, and seamless dual-fuel integration with compatible gas furnaces. It is ideal for retrofit and new construction projects requiring reliable year-round comfort and low-ambient performance. operation.

Specifications

System Capacity: 42,000 BTU/H (3.5 Ton)
Outdoor Unit Model: PUY-AK42NL
Indoor Unit Model: PAA-CA42NL
System Type: Ducted intelli-HEAT® / Dual-fuel HVAC system
Refrigerant: R454B
Compressor Type: INVERTER-driven
Efficiency: 17.1 SEER2
Voltage: 208/230V, 1 Phase, 60 Hz
Sound Level: As low as 60 dB(A)
Dimensions (Outdoor Unit): 41-5/16" W × 52-11/16" H × 13-1/8" D
Line Set Size: 3/8" liquid × 5/8" gas
Maximum Piping Length: 225 ft
Low Ambient Cooling: Down to -40°F with wind baffles
Installation: Multi-position indoor coil configuration
Features: Blue Fin anti-corrosion coating, Seacoast protection, intelligent switchover, refrigerant leak sensor, continuous cooling operation.

Documents:

SUBMITTAL

Technical Specifications

Performance

System Type	Central Air Conditioners
Application	Residential

Electrical & Fuel

Refrigerant	R-454B
Fuel Type	Electric

Shipping & Delivery

Orders typically ship within 1-3 business days. Freight items are delivered by appointment to a curbside address; someone must be present to receive and inspect the shipment. Inspect for damage before signing. Returns are accepted within 30 days on unused, uninstalled equipment in original packaging -- return shipping and a restocking fee may apply. See our Shipping Policy and Return & Refund Policy for full terms.

Manufacturer Warranty

Covered by Mitsubishi's limited warranty. Warranty coverage generally requires installation by a licensed HVAC contractor and, on many brands, product registration after installation. Refer to Mitsubishi's warranty documentation for the full terms that apply to this model.

Professional Installation Recommended

Most HVAC equipment must be installed and connected by a licensed professional to remain safe, code-compliant, and eligible for manufacturer warranty coverage. If you're unsure about installation requirements, contact us before you order.

Need an installer? Get options What the job involves →

Before You Order

Make sure it is the right size, and that you have the rest of it

Most outdoor units ship alone. If you are not certain of the capacity, or of what has to go with this unit, these two will work it out with you.

System Finder Draw your space in 3D and get a capacity range, with equipment that fits it. Takes about a minute. Size it in 3D → Complete System Builder Start from the outdoor unit. Only the coil, air handler, heat kit, line set and thermostat matched to it are ever offered. Build a system →

Still deciding on the right equipment?

Our HVAC specialists can help you confirm sizing and compatibility before you buy.

(888) 558-5637 Talk to a Product Expert View Buying Guides

Mitsubishi PUY-AK42NL and PAA-CA42NL Cooling Only Ductless Split System R-454B | AC Units For Less

Often needed for this install

Key Specifications