Mitsubishi PVA-AA42NL & PUY-AK42NL 42,000 BTU 19.1 SEER2 Multi-Position Air Handler Cooling Only System - R454B - PVAAA42NL/PUYAK42NL
The Mitsubishi PVA‑AA42NL, paired with the PUY‑AK42NL outdoor unit, delivers powerful, ENERGY STAR-qualified cooling in a 42,000 BTU ducted system ideal for large homes, offices, or open-concept spaces up to ~1,750 sq ft. Engineered for efficiency and flexibility, the indoor unit features an ECM motor, selectable static pressure, and fiberglass-free insulation, while the outdoor unit provides durable, low-ambient cooling performance down to –40 °F with optional wind baffles.
This single-zone cooling-only system is built for versatility, quiet operation, and long-term reliability—even in coastal or harsh environments. Control options include wired and wireless remotes, third-party thermostat compatibility, and app-based access through the Mitsubishi Comfort App.
Features
INVERTER-Driven Compressor: High-efficiency performance with precise capacity modulation
Multi‑Position Air Handler: Supports upflow, downflow, and horizontal installations for flexible layout options
Selectable External Static Pressure: 0.30, 0.50, or 0.80 in.WG settings accommodate a variety of duct systems
Low‑Ambient Cooling: Operates down to –40 °F with wind baffles for year-round server room or cold-climate use
Seacoast Protection: Blue Fin coating and anti-corrosion-treated components withstand coastal and industrial environments
Quiet Operation: Low indoor sound levels and a twin-rotary compressor reduce noise for both indoor and outdoor units
Smart Control Compatible: Works with wired/wireless remotes, third-party thermostats, and the Mitsubishi Comfort App (via optional adapter)
Optional Electric Heat Kit: Expand versatility with plug-in resistance heat modules
What Our Experts Think
-
42,000 BTU output efficiently cools large homes, offices, and open-concept spaces up to ~1,750 sq ft.
-
Multi-position air handler provides flexible installation options.
-
ENERGY STAR-qualified system ensures energy-efficient operation.
-
ECM motor and selectable static pressure optimize airflow and comfort.
-
Outdoor unit delivers low-ambient cooling down to –40 °F with durable construction.
Q&A
Q: What size spaces can this system handle?
A: Ideal for spaces up to ~1,750 sq ft.
Q: Is this a cooling-only system?
A: Yes, designed specifically for ducted cooling applications.
Q: Can it operate in extreme cold?
A: Yes, outdoor unit supports low-ambient cooling down to –40 °F.
Q: What refrigerant is used?
A: Eco-friendly R‑454B.
Maintenance Tips
-
Clean or replace filters regularly to maintain airflow.
-
Inspect ducted air handler and outdoor unit for debris.
-
Schedule annual professional servicing for ECM motor and airflow optimization.
-
Ensure proper clearance around indoor and outdoor units.
-
Monitor system performance and refrigerant levels with a certified technician.
