MiniSplit Facts

Mitsubishi Electric GX vs TOSOT Aoraki

Different factories: Mitsubishi Electric certifies its own units with ENERGY STAR; ENERGY STAR lists Gree as the certifier of TOSOT's units. Mitsubishi Electric GX has 12 products on sale across 1 category, priced $1,986.34 to $4,698.75. TOSOT Aoraki has 12 products on sale across 1 category, priced $1,299.99 to $2,799.99. Largest system: 36,000 BTU/h (Mitsubishi Electric GX 36,000 BTU wall mount system) against 24,000 BTU/h (TOSOT Aoraki 24,000 BTU floor/ceiling system). Highest SEER2 (cooling efficiency): 28.4 (Mitsubishi Electric GX Hyper-Heating 9,000 BTU wall mount system) against 24.5 (TOSOT Aoraki 12,000 BTU 115V wall mount system). Highest HSPF2 (heating efficiency): 11 (Mitsubishi Electric GX 15,000 BTU wall mount system) against 9.5 (TOSOT Aoraki 18,000 BTU floor/ceiling system). Most heat at 5 °F: 21,200 BTU/h (Mitsubishi Electric GX Hyper-Heating 24,000 BTU wall mount system) against 20,000 BTU/h (TOSOT Aoraki 24,000 BTU floor/ceiling system). Longest compressor warranty: 10 years (Mitsubishi Electric GX Hyper-Heating 12,000 BTU wall mount system) against 8 years (TOSOT Aoraki 24,000 BTU ceiling cassette system).

At a glance

Fact Mitsubishi Electric GX TOSOT Aoraki
Launched 2025 2024
Products on sale1212
CategoriesSingle-zone systems (12)Single-zone systems (12)
Price range$1,986.34 – $4,698.75cheapest: 36,000 BTU wall mount system$1,299.99 – $2,799.99cheapest: 12,000 BTU 115V wall mount system
Largest system36,000 BTU/h36,000 BTU wall mount system24,000 BTU/h24,000 BTU floor/ceiling system
Highest SEER2 (cooling efficiency)28.4Hyper-Heating 9,000 BTU wall mount system24.512,000 BTU 115V wall mount system
Highest HSPF2 (heating efficiency)1115,000 BTU wall mount system9.518,000 BTU floor/ceiling system
Most heat at 5 °F21,200 BTU/hHyper-Heating 24,000 BTU wall mount system20,000 BTU/h24,000 BTU floor/ceiling system
Keeps heating in the coldest weathernone publishednone published
Longest compressor warranty10 yearsHyper-Heating 12,000 BTU wall mount system8 years24,000 BTU ceiling cassette system
Warranty if you install it yourselfLicensed installer requiredon 12 productsLicensed installer requiredon 12 products
Where soldGot Ductless, HVACDirectTOSOT

Who makes them?

Different factories: Mitsubishi Electric certifies its own units with ENERGY STAR; ENERGY STAR lists Gree as the certifier of TOSOT's units.

Mitsubishi Electric GX

confirmed Mitsubishi Electric. source ↗

TOSOT Aoraki

confirmed Gree. 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 12

TierMitsubishi Electric GXTOSOT Aoraki
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 ceiling cassette system 9,000 BTU/h · 24 · $1,499.99
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 115V wall mount system 12,000 BTU/h · 24.5 · $1,299.99
12,000 BTU ceiling cassette system 12,000 BTU/h · 23 · $1,599.99
12,000 BTU wall mount system 12,000 BTU/h · 24.5 · $1,299.99
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
—
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 ceiling cassette system 18,000 BTU/h · 21 · $2,199.99
18,000 BTU concealed duct system 18,000 BTU/h · 22.5 · $2,299.99
18,000 BTU floor/ceiling system 18,000 BTU/h · 21.5 · $2,199.99
18,000 BTU wall mount system 18,000 BTU/h · 24.5 · $1,800
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 ceiling cassette system 24,000 BTU/h · 22.5 · $2,699.99
24,000 BTU concealed duct system 24,000 BTU/h · 19.5 · $2,799.99
24,000 BTU floor/ceiling system 24,000 BTU/h · 22.5 · $2,599.99
24,000 BTU wall mount system 24,000 BTU/h · 23.5 · $2,199
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 GX and TOSOT Aoraki made by the same company?

Different factories: Mitsubishi Electric certifies its own units with ENERGY STAR; ENERGY STAR lists Gree as the certifier of TOSOT's units. How we work it out.

Which is cheaper, Mitsubishi Electric GX or TOSOT Aoraki?

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 TOSOT Aoraki system is the 12,000 BTU 115V wall mount system at $1,299.99. Prices are re-checked weekly.

Which has more products, Mitsubishi Electric GX or TOSOT Aoraki?

Mitsubishi Electric GX: 12 products on sale across 1 categories. TOSOT Aoraki: 12 across 1.

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

By the brands' own figures: 28.4 for Mitsubishi Electric GX (Hyper-Heating 9,000 BTU wall mount system) and 24.5 for TOSOT Aoraki (12,000 BTU 115V 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 TOSOT Aoraki?

By the brands' own figures: 11 for Mitsubishi Electric GX (15,000 BTU wall mount system) and 9.5 for TOSOT Aoraki (18,000 BTU floor/ceiling system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

Which puts out more heat at 5 °F, Mitsubishi Electric GX or TOSOT Aoraki?

By the brands' own figures: 21,200 BTU/h for Mitsubishi Electric GX (Hyper-Heating 24,000 BTU wall mount system) and 20,000 BTU/h for TOSOT Aoraki (24,000 BTU floor/ceiling 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 GX or TOSOT Aoraki?

By the brands' own figures: 10 years for Mitsubishi Electric GX (Hyper-Heating 12,000 BTU wall mount system) and 8 years for TOSOT Aoraki (24,000 BTU ceiling cassette 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 TOSOT Aoraki?

Mitsubishi Electric GX publishes Licensed installer required on 12 of its 12 products; TOSOT Aoraki 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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