# Mitsubishi Electric FX

> Mitsubishi Electric FX is Mitsubishi Electric's modular tool storage system, launched in 2025. MiniSplit Facts lists 6 products in it: 6 single-zone systems. Prices on file run from $2,493 to $4,794.75.

- Brand: [Mitsubishi Electric](https://minisplitfacts.com/brands/mitsubishi-electric/)
- Status: current
- Launched: 2025 ([source](https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Mini-Split-Heat-Pumps/akti-mt5s))
- Page: https://minisplitfacts.com/lines/mitsubishi-fx/

Mitsubishi's most efficient wall-mounted series (MSZ-FX indoor units), sold with Hyper-Heating outdoor units. R-454B.

## Products

Dimensions are L × W × H in inches; load is the brand's rated load. Each product's page names the source of every value.

### Single-zone systems

| Product | Size tier | Size (BTU/h) | Indoor style | Voltage | Zones | SEER2 | EER2 | HSPF2 | Cooling (BTU/h) | Heat @47 °F (BTU/h) | Heat @5 °F (BTU/h) | COP at 5 °F | Heats to (°F) | Refrigerant | ENERGY STAR | Cold climate | Lines | Line set (ft) | Wi-Fi control | Indoor dB(A) | Outdoor dB(A) | Compressor warr. (yr) | Parts warr. (yr) | Lifetime parts | Self-install warranty | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Mitsubishi Electric FX Hyper-Heating 12,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-12k-hyper-heat-wall/) | 12k | 12000 | Wall mount | 208/230V | — | 29.9 | 15.4 | 12.4 | 12000 | 13200 | 16200 | 2.2 | — | R-454B | yes | yes | — | — | — | — | 51 | 10 | 10 | — | Licensed installer required | $3,159 | HVACDirect (2026-10-14) |
| [Mitsubishi Electric FX Hyper-Heating 15,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-15k-hyper-heat-wall/) | 15k | 15000 | Wall mount | 208/230V | — | 25.9 | 14.7 | 11 | 15000 | 16500 | 22200 | 2.06 | — | R-454B | yes | yes | — | — | — | — | 55 | 10 | 10 | — | Licensed installer required | $3,633.75 | HVACDirect (2026-10-14) |
| [Mitsubishi Electric FX Hyper-Heating 18,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-18k-hyper-heat-wall/) | 18k | 18000 | Wall mount | 208/230V | — | 25.5 | 13.05 | 11.1 | 17200 | 17000 | 23600 | 2.06 | — | R-454B | yes | yes | — | — | — | — | 55 | 10 | 10 | — | Licensed installer required | $4,230.75 | HVACDirect (2026-10-14) |
| [Mitsubishi Electric FX Hyper-Heating 24,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-24k-hyper-heat-wall/) | 24k | 24000 | Wall mount | 208/230V | — | 23.5 | 13.35 | 10.5 | 20800 | 19800 | 26600 | 2.05 | — | R-454B | yes | yes | — | — | — | — | 55 | 10 | 10 | — | Licensed installer required | $4,794.75 | HVACDirect (2026-10-14) |
| [Mitsubishi Electric FX Hyper-Heating 6,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-6k-hyper-heat-wall/) | 6k | 6000 | Wall mount | 208/230V | — | 35 | 21.45 | 13 | 6000 | 9000 | 12600 | 2.38 | — | R-454B | yes | yes | — | — | — | — | 48 | 10 | 10 | — | Licensed installer required | $2,493 | HVACDirect (2026-10-14) |
| [Mitsubishi Electric FX Hyper-Heating 9,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-9k-hyper-heat-wall/) | 9k | 9000 | Wall mount | 208/230V | — | 33.1 | 18.35 | 13.3 | 9000 | 12000 | 14700 | 2.2 | — | R-454B | yes | yes | — | — | — | — | 49 | 10 | 10 | — | Licensed installer required | $2,811.75 | HVACDirect (2026-10-14) |

## Questions

**What is in the Mitsubishi Electric FX lineup?**
MiniSplit Facts lists 6 Mitsubishi Electric FX products: 6 single-zone systems.

**When did Mitsubishi Electric FX come out?**
Mitsubishi Electric launched FX in 2025 ([source](https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Mini-Split-Heat-Pumps/akti-mt5s)).

**What warranty if you install it yourself does Mitsubishi Electric FX have?**
6 of the 6 Mitsubishi Electric FX products we list have a published warranty if you install it yourself (Licensed installer required), for example the [Mitsubishi Electric FX Hyper-Heating 12,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-12k-hyper-heat-wall/) and the [Mitsubishi Electric FX Hyper-Heating 15,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-15k-hyper-heat-wall/). What the brand's warranty says when the owner installs the unit: kept, reduced, or void without a licensed installer. The quote is on the product page.

**What is the largest Mitsubishi Electric FX system?**
By size, the [Mitsubishi Electric FX Hyper-Heating 24,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-24k-hyper-heat-wall/) at 24,000 BTU/h.

**How much does Mitsubishi Electric FX cost?**
Prices on file run from $2,493 ([Mitsubishi Electric FX Hyper-Heating 6,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-6k-hyper-heat-wall/), at HVACDirect) to $4,794.75 ([Mitsubishi Electric FX Hyper-Heating 24,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-24k-hyper-heat-wall/), at HVACDirect), as of October 14, 2026. Prices are re-checked weekly.

**Where can I buy Mitsubishi Electric FX?**
The stores with the most Mitsubishi Electric FX listings on file are Got Ductless (6 products) and HVACDirect (6 products). Each product page lists every store we track, with the price and the date it was checked.


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MiniSplit Facts lists modular tool storage from every brand side by side, with a source for every spec. [How we compare](https://minisplitfacts.com/how-we-compare/). Data as of 2026-10-14.