# ACiQ Standard vs Mitsubishi Electric GX

> Different factories: ACiQ Standard's certified ratings match models Midea certifies under its own name; Mitsubishi Electric certifies its own units with ENERGY STAR. ACiQ Standard has 23 products on sale across 1 category, priced $959.99 to $2,449.99. Mitsubishi Electric GX has 12 products on sale across 1 category, priced $1,986.34 to $4,698.75. Largest system: 36,000 BTU/h (ACiQ Standard 36,000 BTU wall mount system) against 36,000 BTU/h (Mitsubishi Electric GX 36,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 26 (ACiQ Standard 9,000 BTU floor console system) against 28.4 (Mitsubishi Electric GX Hyper-Heating 9,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 13.9 (ACiQ Standard 9,000 BTU floor console system) against 11 (Mitsubishi Electric GX 15,000 BTU wall mount system). Most heat at 5 °F: 19,700 BTU/h (ACiQ Standard 30,000 BTU wall mount system) against 21,200 BTU/h (Mitsubishi Electric GX Hyper-Heating 24,000 BTU wall mount system). Longest compressor warranty: 12 years (ACiQ Standard 12,000 BTU 115V wall mount system) against 10 years (Mitsubishi Electric GX Hyper-Heating 12,000 BTU wall mount system).

| | [ACiQ Standard](https://minisplitfacts.com/lines/aciq-standard/) | [Mitsubishi Electric GX](https://minisplitfacts.com/lines/mitsubishi-gx/) |
|---|---|---|
| Launched | 2024 | 2025 |
| Products on sale | 23 | 12 |
| Categories | Single-zone systems (23) | Single-zone systems (12) |
| Price range | $959.99 – $2,449.99 | $1,986.34 – $4,698.75 |
| Largest system | 36,000 BTU/h (36,000 BTU wall mount system) | 36,000 BTU/h (36,000 BTU wall mount system) |
| Highest SEER2 (cooling efficiency) | 26 (9,000 BTU floor console system) | 28.4 (Hyper-Heating 9,000 BTU wall mount system) |
| Highest HSPF2 (heating efficiency) | 13.9 (9,000 BTU floor console system) | 11 (15,000 BTU wall mount system) |
| Most heat at 5 °F | 19,700 BTU/h (30,000 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 | 12 years (12,000 BTU 115V wall mount system) | 10 years (Hyper-Heating 12,000 BTU wall mount system) |
| Warranty if you install it yourself | Licensed installer required on 23 products | Licensed installer required on 12 products |
| Where sold | HVACDirect | Got Ductless, HVACDirect |

## Questions

**Are ACiQ Standard and Mitsubishi Electric GX made by the same company?**
Different factories: ACiQ Standard's certified ratings match models Midea certifies under its own name; Mitsubishi Electric certifies its own units with ENERGY STAR. [How we work it out](https://minisplitfacts.com/who-makes/).

**Which is cheaper, ACiQ Standard or Mitsubishi Electric GX?**
On the prices we have (as of October 14, 2026), the cheapest ACiQ Standard system is the [9,000 BTU 115V wall mount system](https://minisplitfacts.com/products/aciq-standard-9k-115v-wall/) at $959.99, 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, ACiQ Standard or Mitsubishi Electric GX?**
ACiQ Standard: 23 products on sale across 1 categories. Mitsubishi Electric GX: 12 across 1.

**Which is more efficient at cooling, ACiQ Standard or Mitsubishi Electric GX?**
By the brands' own figures: 26 for ACiQ Standard ([9,000 BTU floor console system](https://minisplitfacts.com/products/aciq-standard-9k-console/)) 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, ACiQ Standard or Mitsubishi Electric GX?**
By the brands' own figures: 13.9 for ACiQ Standard ([9,000 BTU floor console system](https://minisplitfacts.com/products/aciq-standard-9k-console/)) 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, ACiQ Standard or Mitsubishi Electric GX?**
By the brands' own figures: 19,700 BTU/h for ACiQ Standard ([30,000 BTU wall mount system](https://minisplitfacts.com/products/aciq-standard-30k-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, ACiQ Standard or Mitsubishi Electric GX?**
By the brands' own figures: 12 years for ACiQ Standard ([12,000 BTU 115V wall mount system](https://minisplitfacts.com/products/aciq-standard-12k-115v-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, ACiQ Standard or Mitsubishi Electric GX?**
ACiQ Standard publishes Licensed installer required on 23 of its 23 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: [ACiQ Standard](https://minisplitfacts.com/lines/aciq-standard/index.md), [Mitsubishi Electric GX](https://minisplitfacts.com/lines/mitsubishi-gx/index.md). Page: https://minisplitfacts.com/vs/aciq-vs-mitsubishi/

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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.