Lennox M1WD 1-Way Ceiling Cassette 22.1 SEER −25 °C

Designed for discreet ceiling integration, the Lennox M1WD 1-Way cassette delivers even, linear airflow with Calm Air technology, built-in Wi-Fi (SmartThings), and low sound from 25 dB. With strong efficiency up to 22.1 SEER and reliable heating down to −25 °C, it suits residential or light-commercial spaces where wall space is limited. Thermolux handles expert installation and service in Greater Montreal (South & North Shore), offering clear budgets, free in-home evaluations, and certified after-sales support.

SEER: 22.1 dB: 25 Model #: M1WD009S6, M1WD012S6, M1WD018S6 AHRI #: °C: -25 Serie: Lennox M1WD 1-Way Ceiling Cassette

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Efficiency

Up to

22.1 SEER

Up to

13.8 EER

Up to

9.5 HSPF

Ultra heat down to

-25 °C

BTU

9,000 BTU

300–500 sq ft

12,000 BTU

600 – 1000 sq ft

18,000 BTU

800 – 1,300 sq ft

Characteristics

EFFICIENCY

Up to 22,1 SEER
Up to 13,8 EER
Up to 9,5 HSPF
Ultra heat down to −25 °C

PERFORMANCE

Quiet Operation 25 dB
Non-ozone depleting R-32 refrigerant

TECHNOLOGY

Inverter-driven system
Built-in Wi-Fi (SmartThings)
Intelligent self-diagnostics
24V thermostat adapter compatible

AESTHETICS

Low-profile 1-way linear cassette panel
Ceiling-flush, discreet appearance
Front access for servicing

SUBSIDIES

LogisVert
Up to $

Warranty

5 years compressor limited warranty and 1 year parts limited warranty¹
1 year labor warranty for installation¹

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Product Brochures

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Notes

¹ To the original owner, when product is used in an owner-occupied residence, it is covered by a limited warranty of 5 years on the compressor and 1 year on parts.

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