# MRCOOL DIY 5th Gen vs MRCOOL Olympus

> Both point to the same factory, Midea: MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name, and MRCOOL Olympus's certified ratings match models Midea certifies under its own name. MRCOOL DIY 5th Gen has 27 products on sale across 3 categories, priced $443 to $3,769. MRCOOL Olympus has 24 products on sale across 3 categories. Largest system: 36,000 BTU/h (MRCOOL DIY 5th Gen 36,000 BTU wall mount system) against 24,000 BTU/h (MRCOOL Olympus 24,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 23.9 (MRCOOL DIY 5th Gen 18,000 BTU multi-zone outdoor unit) against 27.4 (MRCOOL Olympus 9,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 12.2 (MRCOOL DIY 5th Gen Hyper Heat 18,000 BTU ceiling cassette system) against 13.5 (MRCOOL Olympus 24,000 BTU wall mount system). Most heat at 5 °F: 46,000 BTU/h (MRCOOL DIY 5th Gen 55,000 BTU multi-zone outdoor unit) against 26,000 BTU/h (MRCOOL Olympus 36,000 BTU multi-zone outdoor unit). Longest compressor warranty: 7 years (MRCOOL DIY 5th Gen 9,000 BTU 115V wall mount system) against 7 years (MRCOOL Olympus 9,000 BTU wall mount system).

| | [MRCOOL DIY 5th Gen](https://minisplitfacts.com/lines/mrcool-diy-5th-gen/) | [MRCOOL Olympus](https://minisplitfacts.com/lines/mrcool-olympus/) |
|---|---|---|
| Launched | 2024 | 2024 |
| Products on sale | 27 | 24 |
| Categories | Single-zone systems (12), Multi-zone outdoor units (5), Indoor units (10) | Single-zone systems (8), Multi-zone outdoor units (4), Indoor units (12) |
| Price range | $443 – $3,769 | — |
| Largest system | 36,000 BTU/h (36,000 BTU wall mount system) | 24,000 BTU/h (24,000 BTU wall mount system) |
| Highest SEER2 (cooling efficiency) | 23.9 (18,000 BTU multi-zone outdoor unit) | 27.4 (9,000 BTU wall mount system) |
| Highest HSPF2 (heating efficiency) | 12.2 (Hyper Heat 18,000 BTU ceiling cassette system) | 13.5 (24,000 BTU wall mount system) |
| Most heat at 5 °F | 46,000 BTU/h (55,000 BTU multi-zone outdoor unit) | 26,000 BTU/h (36,000 BTU multi-zone outdoor unit) |
| Keeps heating in the coldest weather | -22 °F (Hyper Heat 12,000 BTU wall mount system) | none published |
| Longest compressor warranty | 7 years (9,000 BTU 115V wall mount system) | 7 years (9,000 BTU wall mount system) |
| Warranty if you install it yourself | Kept on 27 products | Kept on 12 products |
| Where sold | Got Ductless, HVACDirect, Amazon | no prices on file |

## Questions

**Are MRCOOL DIY 5th Gen and MRCOOL Olympus made by the same company?**
Both point to the same factory, Midea: MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name, and MRCOOL Olympus's certified ratings match models Midea certifies under its own name. [How we work it out](https://minisplitfacts.com/who-makes/).

**Which has more products, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
MRCOOL DIY 5th Gen: 27 products on sale across 3 categories. MRCOOL Olympus: 24 across 3.

**Which is more efficient at cooling, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
By the brands' own figures: 23.9 for MRCOOL DIY 5th Gen ([18,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-18k-multi-zone-outdoor/)) and 27.4 for MRCOOL Olympus ([9,000 BTU wall mount system](https://minisplitfacts.com/products/mrcool-olympus-9k-wall/)). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

**Which is more efficient at heating, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
By the brands' own figures: 12.2 for MRCOOL DIY 5th Gen ([Hyper Heat 18,000 BTU ceiling cassette system](https://minisplitfacts.com/products/mrcool-diy-5th-gen-18k-hyper-heat-cassette/)) and 13.5 for MRCOOL Olympus ([24,000 BTU wall mount system](https://minisplitfacts.com/products/mrcool-olympus-24k-wall/)). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

**Which puts out more heat at 5 °F, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
By the brands' own figures: 46,000 BTU/h for MRCOOL DIY 5th Gen ([55,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-55k-multi-zone-outdoor/)) and 26,000 BTU/h for MRCOOL Olympus ([36,000 BTU multi-zone outdoor unit](https://minisplitfacts.com/products/mrcool-olympus-36k-multi-zone-outdoor/)). Heat output with 5 °F outdoors, from the certification record. Published for units certified for cold climates.

**Which has the longer compressor warranty, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
By the brands' own figures: 7 years for MRCOOL DIY 5th Gen ([9,000 BTU 115V wall mount system](https://minisplitfacts.com/products/mrcool-diy-5th-gen-9k-115v-wall/)) and 7 years for MRCOOL Olympus ([9,000 BTU wall mount system](https://minisplitfacts.com/products/mrcool-olympus-9k-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, MRCOOL DIY 5th Gen or MRCOOL Olympus?**
MRCOOL DIY 5th Gen publishes Kept on 27 of its 27 products; MRCOOL Olympus publishes Kept on 12 of its 24 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: [MRCOOL DIY 5th Gen](https://minisplitfacts.com/lines/mrcool-diy-5th-gen/index.md), [MRCOOL Olympus](https://minisplitfacts.com/lines/mrcool-olympus/index.md). Page: https://minisplitfacts.com/vs/mrcool-diy-vs-olympus/

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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.