# Pioneer Quantum multi-zone 18,000 BTU ceiling cassette indoor unit (MS-I)

> Pioneer Quantum multi-zone 18,000 BTU ceiling cassette indoor unit (MS-I) (CB018GMFILCFHD) is a 18,000 BTU indoor unit from Pioneer Quantum multi-zone. It has a ceiling cassette indoor unit and runs on 208/230V. It is no longer sold new.

- Line: [Pioneer Quantum multi-zone (R-410A)](https://minisplitfacts.com/lines/pioneer-quantum-r410a/)
- Category: [Indoor units](https://minisplitfacts.com/compare/indoor-unit/)
- Size tier within its line: 18k
- Status: no longer sold new
- Data confidence: confirmed (last verified 2026-10-14; [what this means](https://minisplitfacts.com/how-we-compare/#confidence))
- Page: https://minisplitfacts.com/products/pioneer-quantum-r410a-18k-cassette-indoor-unit-ms-i/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | CB018GMFILCFHD | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Size | 18,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Indoor unit style | Ceiling cassette | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Refrigerant | not published |  |
| Line connection | Flare | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | 36 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Parts warranty | 5 years | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (brand, page, 2026-10-14) |
| Warranty if you install it yourself | Kept | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (brand, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Pioneer | $783 | out of stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/multi-zone-18000-btu-230v-22-seer-ceiling-cassette-indoor-section-split-air-conditioner-heat-pump) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

## What to buy instead

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 Olympus 18,000 BTU wall mount indoor unit](https://minisplitfacts.com/products/mrcool-olympus-18k-wall-mount-indoor-unit/)
- [MRCOOL Olympus 18,000 BTU ceiling cassette indoor unit](https://minisplitfacts.com/products/mrcool-olympus-18k-ceiling-cassette-indoor-unit/)
- [MRCOOL Olympus 18,000 BTU concealed duct indoor unit](https://minisplitfacts.com/products/mrcool-olympus-18k-slim-duct-indoor-unit/)
- [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/)


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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.