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Lennox Mini-Split System M1WD Ceiling Cassette

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Lennox Mini-split systems Mini-Split System Repair, maintenance, and replacement planning
Lennox M1WD Ceiling Cassette product image

Technical Specifications

Product Specs

  • Indoor unit style: 2x2 ceiling mini-cassette
  • Service focus: ceiling access, condensate pump, airflow pattern, and controller behavior
  • Lennox model family: M1WD
  • Product category: Mini-Split System
  • System type: mini-split equipment with matched indoor and outdoor components
  • Brand: Lennox
  • Model or series: M1WD Ceiling Cassette
  • Equipment type: Mini-Split System
  • Product group: Mini-split systems
  • System role: Ductless or mini-split system equipment
  • Application: Residential, light-commercial, or zone-control comfort applications
  • Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
  • Verified source: lennox.com

Useful troubleshooting details

  • Confirm the outdoor and indoor unit model numbers, serial numbers, zone count, line-set layout, controller type, voltage, refrigerant, and capacity.
  • Share no heat, no cooling, weak airflow, drain or condensate issues, indoor-unit noise, remote/controller behavior, or error-code details.
  • For upgrade planning, note whether the request is single-zone, multi-zone, high-wall, cassette, ducted, floor-console, or cold-climate ductless work.

Service planning

How GreenFlow handles M1WD Ceiling Cassette requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Jack B.

Andrey always does a great job.

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