# MRCOOL Olympus 18,000 BTU concealed duct indoor unit

> MRCOOL Olympus 18,000 BTU concealed duct indoor unit (DUCT-18HP-230B-0) is a 18,000 BTU indoor unit from MRCOOL Olympus. It has a concealed duct indoor unit and runs on 208/230V.

- Line: [MRCOOL Olympus](https://minisplitfacts.com/lines/mrcool-olympus/)
- Category: [Indoor units](https://minisplitfacts.com/compare/indoor-unit/)
- Size tier within its line: 18k
- Status: current
- Data confidence: confirmed (last verified 2026-10-14; [what this means](https://minisplitfacts.com/how-we-compare/#confidence))
- Page: https://minisplitfacts.com/products/mrcool-olympus-18k-slim-duct-indoor-unit/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | DUCT-18HP-230B-0 | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Size | 18,000 BTU/h | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Indoor unit style | Concealed duct | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Voltage | 208/230V | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Refrigerant | not published |  |
| Line connection | Flare | [doxrepo.mrcool.com](https://doxrepo.mrcool.com/mc-cat-en-01.pdf) (brand, pdf, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | not published |  |
| Parts warranty | not published |  |
| Warranty if you install it yourself | not published |  |



## The equivalent in other lines

Same category, same size tier (18k), different line:

- [MRCOOL DIY 5th Gen 18,000 BTU ceiling cassette indoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-18k-ceiling-cassette-indoor-unit/) — $1,397
- [MRCOOL DIY 5th Gen 18,000 BTU wall mount indoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-18k-wall-mount-indoor-unit/) — $903
- [Pioneer Quantum Ultra 18,000 BTU concealed duct indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-18k-duct-indoor-unit-msi-24/) — $753
- [Pioneer Quantum Ultra 18,000 BTU floor/ceiling indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-18k-floor-ceiling-indoor-unit-msi-24/) — $823
- [Pioneer Quantum Ultra 18,000 BTU ceiling cassette indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-18k-cassette-indoor-unit-msi-24/)
- [Pioneer Quantum Ultra 18,000 BTU wall mount indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-18k-wall-indoor-unit-msi-24/)
- [Senville AURA 18,000 BTU one-way cassette multi-zone indoor unit](https://minisplitfacts.com/products/senville-aura-18k-one-way-cassette-indoor-unit/) — $639.99
- [Senville AURA 18,000 BTU wall mount multi-zone indoor unit](https://minisplitfacts.com/products/senville-aura-18k-wall-indoor-unit/) — $499.99


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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.