# Mitsubishi Electric FX vs Mitsubishi Electric GX

> Both point to the same factory, Mitsubishi Electric: Mitsubishi Electric certifies its own units with ENERGY STAR, and Mitsubishi Electric certifies its own units with ENERGY STAR. Mitsubishi Electric FX has 6 products on sale across 1 category, priced $2,493 to $4,794.75. Mitsubishi Electric GX has 12 products on sale across 1 category, priced $1,986.34 to $4,698.75. Largest system: 24,000 BTU/h (Mitsubishi Electric FX Hyper-Heating 24,000 BTU wall mount system) against 36,000 BTU/h (Mitsubishi Electric GX 36,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 35 (Mitsubishi Electric FX Hyper-Heating 6,000 BTU wall mount system) against 28.4 (Mitsubishi Electric GX Hyper-Heating 9,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 13.3 (Mitsubishi Electric FX Hyper-Heating 9,000 BTU wall mount system) against 11 (Mitsubishi Electric GX 15,000 BTU wall mount system). Most heat at 5 °F: 26,600 BTU/h (Mitsubishi Electric FX Hyper-Heating 24,000 BTU wall mount system) against 21,200 BTU/h (Mitsubishi Electric GX Hyper-Heating 24,000 BTU wall mount system). Longest compressor warranty: 10 years (Mitsubishi Electric FX Hyper-Heating 12,000 BTU wall mount system) against 10 years (Mitsubishi Electric GX Hyper-Heating 12,000 BTU wall mount system).

| | [Mitsubishi Electric FX](https://minisplitfacts.com/lines/mitsubishi-fx/) | [Mitsubishi Electric GX](https://minisplitfacts.com/lines/mitsubishi-gx/) |
|---|---|---|
| Launched | 2025 | 2025 |
| Products on sale | 6 | 12 |
| Categories | Single-zone systems (6) | Single-zone systems (12) |
| Price range | $2,493 – $4,794.75 | $1,986.34 – $4,698.75 |
| Largest system | 24,000 BTU/h (Hyper-Heating 24,000 BTU wall mount system) | 36,000 BTU/h (36,000 BTU wall mount system) |
| Highest SEER2 (cooling efficiency) | 35 (Hyper-Heating 6,000 BTU wall mount system) | 28.4 (Hyper-Heating 9,000 BTU wall mount system) |
| Highest HSPF2 (heating efficiency) | 13.3 (Hyper-Heating 9,000 BTU wall mount system) | 11 (15,000 BTU wall mount system) |
| Most heat at 5 °F | 26,600 BTU/h (Hyper-Heating 24,000 BTU wall mount system) | 21,200 BTU/h (Hyper-Heating 24,000 BTU wall mount system) |
| Keeps heating in the coldest weather | none published | none published |
| Longest compressor warranty | 10 years (Hyper-Heating 12,000 BTU wall mount system) | 10 years (Hyper-Heating 12,000 BTU wall mount system) |
| Warranty if you install it yourself | Licensed installer required on 6 products | Licensed installer required on 12 products |
| Where sold | Got Ductless, HVACDirect | Got Ductless, HVACDirect |

## Questions

**Are Mitsubishi Electric FX and Mitsubishi Electric GX made by the same company?**
Both point to the same factory, Mitsubishi Electric: Mitsubishi Electric certifies its own units with ENERGY STAR, and Mitsubishi Electric certifies its own units with ENERGY STAR. [How we work it out](https://minisplitfacts.com/who-makes/).

**Which is cheaper, Mitsubishi Electric FX or Mitsubishi Electric GX?**
On the prices we have (as of October 14, 2026), the cheapest Mitsubishi Electric FX system is the [Hyper-Heating 6,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-6k-hyper-heat-wall/) at $2,493, and the cheapest Mitsubishi Electric GX system is the [36,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-36k-wall/) at $1,986.34. Prices are re-checked weekly.

**Which has more products, Mitsubishi Electric FX or Mitsubishi Electric GX?**
Mitsubishi Electric FX: 6 products on sale across 1 categories. Mitsubishi Electric GX: 12 across 1.

**Which is more efficient at cooling, Mitsubishi Electric FX or Mitsubishi Electric GX?**
By the brands' own figures: 35 for Mitsubishi Electric FX ([Hyper-Heating 6,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-6k-hyper-heat-wall/)) and 28.4 for Mitsubishi Electric GX ([Hyper-Heating 9,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-9k-hyper-heat-wall/)). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

**Which is more efficient at heating, Mitsubishi Electric FX or Mitsubishi Electric GX?**
By the brands' own figures: 13.3 for Mitsubishi Electric FX ([Hyper-Heating 9,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-9k-hyper-heat-wall/)) and 11 for Mitsubishi Electric GX ([15,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-15k-wall/)). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

**Which puts out more heat at 5 °F, Mitsubishi Electric FX or Mitsubishi Electric GX?**
By the brands' own figures: 26,600 BTU/h for Mitsubishi Electric FX ([Hyper-Heating 24,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-24k-hyper-heat-wall/)) and 21,200 BTU/h for Mitsubishi Electric GX ([Hyper-Heating 24,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-24k-hyper-heat-wall/)). Heat output with 5 °F outdoors, from the certification record. Published for units certified for cold climates.

**Which has the longer compressor warranty, Mitsubishi Electric FX or Mitsubishi Electric GX?**
By the brands' own figures: 10 years for Mitsubishi Electric FX ([Hyper-Heating 12,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-fx-12k-hyper-heat-wall/)) and 10 years for Mitsubishi Electric GX ([Hyper-Heating 12,000 BTU wall mount system](https://minisplitfacts.com/products/mitsubishi-gx-12k-hyper-heat-wall/)). Years of compressor coverage under the brand's warranty, often only when registered. Conditions are on the product page.

**Which has the better warranty if you install it yourself, Mitsubishi Electric FX or Mitsubishi Electric GX?**
Mitsubishi Electric FX publishes Licensed installer required on 6 of its 6 products; Mitsubishi Electric GX publishes Licensed installer required on 12 of its 12 products. 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.

Full product lists with specs and sources: [Mitsubishi Electric FX](https://minisplitfacts.com/lines/mitsubishi-fx/index.md), [Mitsubishi Electric GX](https://minisplitfacts.com/lines/mitsubishi-gx/index.md). Page: https://minisplitfacts.com/vs/mitsubishi-fx-vs-gx/

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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.