Mitsubishi MSZ-GX18NL 18,000 BTU Wall Mounted Indoor Unit - R454B

Mitsubishi MSZ‑GX18NL – 18,000 BTU R‑454B Wall-Mounted Indoor Unit

Experience powerful, efficient climate control with the Mitsubishi MSZ‑GX18NL, a sleek wall-mounted indoor unit designed for large rooms needing reliable, year-round comfort.

Modern, Space-Saving Design
The MSZ‑GX18NL features a slim profile and contemporary styling that fits seamlessly into living rooms, basements, or open areas up to ~750 sq ft.

Quiet & Energy-Efficient Operation
Operating as low as 29 dB(A), this unit delivers 18,000 BTU cooling and effective heating with a compatible outdoor unit. Mitsubishi’s INVERTER technology ensures consistent temperature control and energy savings.

Advanced Filtration & Smart Control Options
Equipped with multi-stage air filtration and optional Wi-Fi control via Mitsubishi’s app, it improves indoor air quality and allows convenient remote operation.

Flexible Single-Zone Application
Pairs with PUZ or MUZ-GX outdoor units for precise single-zone temperature control. Multiple comfort modes customize performance for any season.

Trusted Mitsubishi Durability
Backed by Mitsubishi’s 10-year parts warranty when installed and registered by a licensed contractor, the MSZ‑GX18NL offers long-lasting comfort and peace of mind.