Mitsubishi – Mr. Slim SLZ Series 4-Way Ceiling Cassette Heat Pump System | R-454B | Toronto & GTA Installation Included
The Mitsubishi Mr. Slim SLZ Series 4-Way Ceiling Cassette Heat Pump delivers 360° airflow from a single flush-mounted ceiling unit — the cleanest, most even heat pump solution for open-concept rooms, dining areas, commercial spaces, and any application where appearance and coverage matter equally. Installed flush with the finished ceiling with only the decorative grille visible, the SLZ circulates conditioned air in all four directions simultaneously. Available in Standard and Hyper Heat versions. Available in 9,000 to 18,000 BTU. All prices include decorative grille and up to 20 ft of lineset with standard professional installation. A controller is required and is not included — see options below.
- ✓Mitsubishi SLZ-AF Series 4-Way ceiling cassette indoor unit
- ✓Mitsubishi SUZ Series inverter heat pump outdoor unit (Standard or Hyper Heat — as selected)
- ✓Decorative grille — SLP-18FAEU (included in price, installed by Bison Air). Sizes: 25⅝"×25⅝" for 9K & 12K — 37"×37" for 15K & 18K
- ✓Standard professional installation by TSSA Certified technicians
- ✓Up to 20 ft of lineset included — longer runs quoted separately
- ✓System startup, testing, and commissioning
- ✓Mitsubishi product registration (required for 10-year warranty)
- ✓4-Way 360° Airflow Distribution — Four directional vanes distribute conditioned air in all directions simultaneously, eliminating hot and cold spots for even comfort across the entire room
- ✓Flush Ceiling Installation — Only the slim decorative grille is visible. No visible equipment, no bulky housing — ideal for open-concept rooms, dining areas, restaurants, and retail spaces
- ✓Decorative Grille Included — SLP-18FAEU grille included in price. 25⅝"×25⅝" for 9K & 12K, 37"×37" for 15K & 18K
- ✓Hyper Heat Option Available — Upgrade to the SUZ-AA HZ outdoor unit for stronger cold climate performance powered by H2i Hyper Heat Inverter technology
- ✓R-454B Refrigerant — Low global warming potential, next-generation refrigerant
- ✓Wi-Fi Enabled — Compatible with the Mitsubishi Comfort App via optional wireless adapter PAC-USWHS002-WF-2 (sold separately)
- ✓Auto Swing Vanes — Motorized vanes automatically adjust in all four directions for optimal coverage
- ✓Built-in Condensate Pump — Handles drain without relying on gravity — greater installation flexibility
- ✓Blue Fin Coating on Outdoor Unit — Anti-corrosion protection on outdoor heat exchanger fins
- ✓208-230V / 1-Phase / 60Hz — Standard North American electrical supply
Sizing is a guideline. Contact Bison Air for a proper load calculation.
Grille: 25⅝"×25⅝" for 9K & 12K — 37"×37" for 15K & 18K. Always verify ceiling cavity clearance with your installer.
A controller is required — not included. Choose one of the following:
- ✓Mitsubishi Hard Wired Controller — PAR-42MAACAB — recommended for cassette applications
- ✓Wi-Fi Adapter for Comfort App — PAC-USWHS002-WF-2 — smartphone control
- ✓Aidoo Wi-Fi Controller — AZAI6WSCMEL — third-party smart home integration
- ✓Auxiliary Heat Source Control — MAC-3341F-E Interface + PAM-4 Relay + P55R-A12 Power Supply
- ✓Thermostat Interface Module — RMF-CA200-V2 + VPL24-210 Transformer — connects to any North American 24V thermostat, thermostat not included
- ✓Site assessment and ceiling cavity evaluation
- ✓Ceiling cassette mounting and decorative grille installation
- ✓Placement and mounting of outdoor unit (min 18" off grade or roof)
- ✓Up to 20 ft of lineset included — additional length quoted separately
- ✓Electrical connection (dedicated circuit required)
- ✓Condensate drain connection and testing
- ✓Vacuum, leak test, and system commissioning
- ✓Controller installation and setup (controller sold separately)
- ✓Mitsubishi product registration for 10-year warranty
- ✓10-Year Parts Warranty — Mitsubishi manufacturer warranty on registered equipment
- ✓10-Year Compressor Warranty — Mitsubishi manufacturer warranty on registered equipment
- ✓1-Year Bison Air Labour Warranty — Covers installation workmanship
Product registration with Mitsubishi is required to activate the 10-year warranty. Bison Air handles registration at the time of installation.
- ✓TSSA Certified HVAC Contractor
- ✓Fully Licensed & Insured HVAC Technicians
- ✓Registered HRSP Heat Pump Rebate Contractor
- ✓Standard Installation Included — No Hidden Fees
- ✓Up to 20 ft Lineset Included with every installation
- ✓Professional System Design & Equipment Selection
- ✓Clean, Organized Installations
- ✓Financing Available — Pre-qualify in seconds
This system may qualify for Ontario government rebate programs. Bison Air is a Registered HRSP Rebate Contractor.
- ✓Up to $7,500 in available rebates
- ✓Financing available — pre-qualify in seconds
👉 Heat Pump Rebates — Toronto & GTA
👉 Step-by-Step Ontario Rebate Guide
👉 HVAC Financing Options
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