Mitsubishi – Mr. Slim SEZ Series Horizontal Ducted Low Static Heat Pump System | R-454B | Toronto & GTA Installation Included
The Mitsubishi Mr. Slim SEZ Series is a complete ceiling-concealed ducted heat pump system — delivering heating and cooling through standard supply registers with no visible indoor unit. The SEZ installs above the finished ceiling and connects to a short run of ductwork, making it ideal for rooms where aesthetics matter and a wall or cassette unit is not an option. Available in Standard and Hyper Heat versions. Available in 9,000 to 18,000 BTU. All prices include standard professional installation with up to 20 ft of lineset. A controller is required and is not included.
- ✓Mitsubishi SEZ-AD Series horizontal ducted low static indoor unit
- ✓Mitsubishi SUZ Series inverter heat pump outdoor unit (Standard or Hyper Heat — as selected)
- ✓Standard professional installation by TSSA Certified technicians
- ✓Up to 20 ft of lineset included — longer runs quoted separately
- ✓Duct connection to supply register(s) — duct fabrication quoted separately if required
- ✓System startup, testing, and commissioning
- ✓Mitsubishi product registration (required for 10-year warranty)
- ✓Ceiling-Concealed Installation — Installs above the finished ceiling, completely hidden from view. Air is delivered through standard supply registers — no visible indoor unit
- ✓Low Static Pressure Design — Engineered for short, simple duct runs. Ideal for a single supply register or a short branch of existing ductwork
- ✓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)
- ✓Compatible with Optional Duct Heater — Modulating electric duct heaters available from 2–6 KW (special order)
- ✓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.
Always verify ceiling cavity clearance and duct connection requirements with your installer before finalizing placement.
A controller is required — not included. Choose one of the following:
- ✓Mitsubishi Hard Wired Controller — PAR-42MAACAB — recommended for ducted 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
- ✓Duct Heater Control — PAC-YU25HT-G + PAM-4 Relay
- ✓Thermostat Interface Module — RMF-CA100-V2 + VPL24-210 Transformer — connects to any North American 24V thermostat, thermostat not included
Note: SEZ models do not support ERV or humidifier connection.
- ✓Site assessment and ceiling cavity evaluation
- ✓Horizontal mounting of indoor ducted unit above ceiling
- ✓Placement and mounting of outdoor unit (min 18" off grade or roof)
- ✓Up to 20 ft of lineset included — additional length quoted separately
- ✓Duct connection to supply register(s) — duct fabrication quoted separately if required
- ✓Electrical connection (dedicated circuit required)
- ✓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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