MSZ-FX15NL vs SLZ-AF15NL
The MSZ-FX15NL (Premium wall mount) and the SLZ-AF15NL (Premium 4-way cassette), both 15,000 BTU, side by side from the AHRI-rated specs on the current price sheet.
- Mitsubishi Diamond Contractor
- TX License TACL# TACLB77247C
- 1,000+ installs
- Installed by TruFicient
- Call or text (817) 552-3680
| MSZ-FX15NL | SLZ-AF15NL | |
|---|---|---|
| Tier | Premium | Premium |
| Style | Wall mount | 4-way ceiling cassette |
| Capacity | 15,000 BTU | 15,000 BTU |
| Best SEER2 | 25.9 | 20.6 |
| Best HSPF2 | 11 | 10.1 |
| Best EER2 | 14.7 | 12 |
| Hyper-heat option | Yes | No |
| Rated outdoor units | MUZ-FX15NLHZ | SUZ-AA15NL |
Which one is right for you?
Pick the MSZ-FX15NL if
- it's a garage, bedroom or single room and you want the simplest install
- you don't have attic or ceiling access above the room
- you want heating capacity held through a hard freeze (hyper-heat)
- efficiency matters most: up to 25.9 SEER2 vs 20.6
Hangs high on an outside wall; the refrigerant lines leave through one small hole behind the unit.
Pick the SLZ-AF15NL if
- the room is open-plan and you want even air from the center of the ceiling
- you'd rather nothing hang on the wall
Recessed into the ceiling with a grille below; needs attic or ceiling space above and a condensate route.
Same BTU, different jobs. We confirm the size, the mounting spot and the electrical at the free site visit, and you can switch between the two before you pay a deposit.
More 15,000 BTU comparisons
Get a price for your space
Tell us the space, the size and where it is. We'll give you an installed Mitsubishi price, Value and Premium, before anyone comes out.