MiniSplit Facts

Mitsubishi Electric GX vs Mitsubishi Electric WX

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 GX has 12 products on sale across 1 category, priced $1,986.34 to $4,698.75. Mitsubishi Electric WX has 4 products on sale across 1 category, priced $909.75 to $1,554.75. Largest system: 36,000 BTU/h (Mitsubishi Electric GX 36,000 BTU wall mount system) against 24,000 BTU/h (Mitsubishi Electric WX 24,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 28.4 (Mitsubishi Electric GX Hyper-Heating 9,000 BTU wall mount system) against 18 (Mitsubishi Electric WX 12,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 11 (Mitsubishi Electric GX 15,000 BTU wall mount system) against 8.5 (Mitsubishi Electric WX 12,000 BTU wall mount system). Longest compressor warranty: 10 years (Mitsubishi Electric GX Hyper-Heating 12,000 BTU wall mount system) against 10 years (Mitsubishi Electric WX 12,000 BTU wall mount system).

At a glance

Fact Mitsubishi Electric GX Mitsubishi Electric WX
Launched 2025 —
Products on sale124
CategoriesSingle-zone systems (12)Single-zone systems (4)
Price range$1,986.34 – $4,698.75cheapest: 36,000 BTU wall mount system$909.75 – $1,554.75cheapest: 24,000 BTU wall mount system
Largest system36,000 BTU/h36,000 BTU wall mount system24,000 BTU/h24,000 BTU wall mount system
Highest SEER2 (cooling efficiency)28.4Hyper-Heating 9,000 BTU wall mount system1812,000 BTU wall mount system
Highest HSPF2 (heating efficiency)1115,000 BTU wall mount system8.512,000 BTU wall mount system
Most heat at 5 °F21,200 BTU/hHyper-Heating 24,000 BTU wall mount systemnone published
Keeps heating in the coldest weathernone publishednone published
Longest compressor warranty10 yearsHyper-Heating 12,000 BTU wall mount system10 years12,000 BTU wall mount system
Warranty if you install it yourselfLicensed installer requiredon 12 productsLicensed installer requiredon 4 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 GX

confirmed Mitsubishi Electric. source ↗

Mitsubishi Electric WX

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 12 vs 4

TierMitsubishi Electric GXMitsubishi Electric WX
9,000 BTU
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
9,000 BTU wall mount system 9,000 BTU/h · 18 · $941.25
12,000 BTU
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
12,000 BTU wall mount system 12,000 BTU/h · 18 · $1,025.25
15,000 BTU
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
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18,000 BTU
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
18,000 BTU wall mount system 18,000 BTU/h · 18 · $1,554.75
24,000 BTU
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
24,000 BTU wall mount system 24,000 BTU/h · 18 · $909.75
30,000 BTU
30,000 BTU wall mount system 30,000 BTU/h · 19.2 · $4,698.75
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36,000 BTU
36,000 BTU wall mount system 36,000 BTU/h · 18.5 · $1,986.34
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All single-zone systems from both brands, side by side →

Questions

Are Mitsubishi Electric GX and Mitsubishi Electric WX 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 GX or Mitsubishi Electric WX?

On the prices we have (as of October 14, 2026), the cheapest Mitsubishi Electric GX system is the 36,000 BTU wall mount system at $1,986.34, and the cheapest Mitsubishi Electric WX system is the 24,000 BTU wall mount system at $909.75. Prices are re-checked weekly.

Which has more products, Mitsubishi Electric GX or Mitsubishi Electric WX?

Mitsubishi Electric GX: 12 products on sale across 1 categories. Mitsubishi Electric WX: 4 across 1.

Which is more efficient at cooling, Mitsubishi Electric GX or Mitsubishi Electric WX?

By the brands' own figures: 28.4 for Mitsubishi Electric GX (Hyper-Heating 9,000 BTU wall mount system) and 18 for Mitsubishi Electric WX (12,000 BTU wall mount system). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

Which is more efficient at heating, Mitsubishi Electric GX or Mitsubishi Electric WX?

By the brands' own figures: 11 for Mitsubishi Electric GX (15,000 BTU wall mount system) and 8.5 for Mitsubishi Electric WX (12,000 BTU wall mount system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

Which has the longer compressor warranty, Mitsubishi Electric GX or Mitsubishi Electric WX?

By the brands' own figures: 10 years for Mitsubishi Electric GX (Hyper-Heating 12,000 BTU wall mount system) and 10 years for Mitsubishi Electric WX (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 GX or Mitsubishi Electric WX?

Mitsubishi Electric GX publishes Licensed installer required on 12 of its 12 products; Mitsubishi Electric WX publishes Licensed installer required on 4 of its 4 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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