Premium · 4-way ceiling cassette
Mitsubishi SLZ-AF12NL
12,000 BTU 4-way cassette
ADUs, open-plan rooms and garage conversions. Even air from the center of the ceiling. Installed across Dallas–Fort Worth by TruFicient Energy Solutions, a Mitsubishi Diamond Contractor.
- Capacity
- 12,000 BTU
- Best SEER2
- 20.3
- Best HSPF2
- 9.7
- Hyper-heat
- Available

- Mitsubishi Diamond Contractor
- TX License TACL# TACLB77247C
- 1,000+ installs
- Installed by TruFicient
- Call or text (817) 552-3680
Specs
Matched outdoor units
The SLZ-AF12NL is rated with these 2 outdoor units. Ratings are the AHRI-certified system numbers from Mitsubishi's current price sheet. We pick the pairing at the site visit; hyper-heat outdoor units hold heating capacity in hard freezes.
| Outdoor unit | Cooling | Heating | SEER2 | HSPF2 | EER2 | Hyper-heat | AHRI # |
|---|---|---|---|---|---|---|---|
| SUZ-AA12NL | 12,000 BTU | 12,000 BTU | 20.3 | 9.7 | 12.5 | No | 215734896 |
| SUZ-AA12NLHZ | 12,000 BTU | 12,000 BTU | 16.8 | 9.4 | 13.9 | Yes | 215734911 |
Refrigerant: R-454B.
Great for
How a 4-way cassette installs
Recessed into the ceiling with a grille below; needs attic or ceiling space above and a condensate route.
We confirm the size, the outdoor unit spot, the line set route and your electrical at the free site visit, before you pay a deposit.
Other SLZ-AF sizes
Compare the SLZ-AF12NL
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Price the SLZ-AF12NL for your space
Tell us the room, the size and your ZIP. You'll see an installed Value and Premium package before anyone comes out.