MiniSplit Facts

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).

At a glance

Fact Mitsubishi Electric FX Mitsubishi Electric GX
Launched 2025 2025
Products on sale612
CategoriesSingle-zone systems (6)Single-zone systems (12)
Price range$2,493 – $4,794.75cheapest: Hyper-Heating 6,000 BTU wall mount system$1,986.34 – $4,698.75cheapest: 36,000 BTU wall mount system
Largest system24,000 BTU/hHyper-Heating 24,000 BTU wall mount system36,000 BTU/h36,000 BTU wall mount system
Highest SEER2 (cooling efficiency)35Hyper-Heating 6,000 BTU wall mount system28.4Hyper-Heating 9,000 BTU wall mount system
Highest HSPF2 (heating efficiency)13.3Hyper-Heating 9,000 BTU wall mount system1115,000 BTU wall mount system
Most heat at 5 °F26,600 BTU/hHyper-Heating 24,000 BTU wall mount system21,200 BTU/hHyper-Heating 24,000 BTU wall mount system
Keeps heating in the coldest weathernone publishednone published
Longest compressor warranty10 yearsHyper-Heating 12,000 BTU wall mount system10 yearsHyper-Heating 12,000 BTU wall mount system
Warranty if you install it yourselfLicensed installer requiredon 6 productsLicensed installer requiredon 12 products
Where soldGot Ductless, HVACDirectGot Ductless, HVACDirect

Who makes them?

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

confirmed Mitsubishi Electric. source ↗

Mitsubishi Electric GX

confirmed Mitsubishi Electric. source ↗

How we work out who makes what →

Part by part

Matched by each product's size tier within its own line, so a row pairs each brand's compact, medium, large or XL piece. Tiers are for lining lineups up; the dimensions say how big each one really is.

Single-zone systems 6 vs 12

TierMitsubishi Electric FXMitsubishi Electric GX
6,000 BTU
Hyper-Heating 6,000 BTU wall mount system 6,000 BTU/h · 35 · $2,493
 —
9,000 BTU
Hyper-Heating 9,000 BTU wall mount system 9,000 BTU/h · 33.1 · $2,811.75
9,000 BTU wall mount system 9,000 BTU/h · 28.4 · $2,241.75
Hyper-Heating 9,000 BTU wall mount system 9,000 BTU/h · 28.4 · $2,466
12,000 BTU
Hyper-Heating 12,000 BTU wall mount system 12,000 BTU/h · 29.9 · $3,159
12,000 BTU wall mount system 12,000 BTU/h · 25.6 · $2,642.98
Hyper-Heating 12,000 BTU wall mount system 12,000 BTU/h · 25.6 · $2,936.41
15,000 BTU
Hyper-Heating 15,000 BTU wall mount system 15,000 BTU/h · 25.9 · $3,633.75
15,000 BTU wall mount system 15,000 BTU/h · 22.2 · $2,949
Hyper-Heating 15,000 BTU wall mount system 15,000 BTU/h · 22.2 · $3,242.25
18,000 BTU
Hyper-Heating 18,000 BTU wall mount system 18,000 BTU/h · 25.5 · $4,230.75
18,000 BTU wall mount system 18,000 BTU/h · 22.5 · $3,518.25
Hyper-Heating 18,000 BTU wall mount system 18,000 BTU/h · 22.5 · $2,674.78
24,000 BTU
Hyper-Heating 24,000 BTU wall mount system 24,000 BTU/h · 23.5 · $4,794.75
24,000 BTU wall mount system 24,000 BTU/h · 21.5 · $4,125.75
Hyper-Heating 24,000 BTU wall mount system 24,000 BTU/h · 21.5 · $4,620.75
30,000 BTU —
30,000 BTU wall mount system 30,000 BTU/h · 19.2 · $4,698.75
36,000 BTU —
36,000 BTU wall mount system 36,000 BTU/h · 18.5 · $1,986.34

All single-zone systems from both brands, side by side →

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.

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 at $2,493, and the cheapest Mitsubishi Electric GX system is the 36,000 BTU wall mount system 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) and 28.4 for Mitsubishi Electric GX (Hyper-Heating 9,000 BTU wall mount system). 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) and 11 for Mitsubishi Electric GX (15,000 BTU wall mount system). 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) and 21,200 BTU/h for Mitsubishi Electric GX (Hyper-Heating 24,000 BTU wall mount system). 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) and 10 years for Mitsubishi Electric GX (Hyper-Heating 12,000 BTU wall mount system). 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.

Answered from the catalogue data, as of October 14, 2026. How we compare.

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