# Pioneer Inverter++ 48,000 BTU ceiling cassette system (CYB)

> Pioneer Inverter++ 48,000 BTU ceiling cassette system (CYB) (CYB048GMFILCBD) is a 48,000 BTU system from Pioneer Inverter++. It has a ceiling cassette indoor unit, runs on 208/230V, is rated 18.5 SEER2, has an HSPF2 of 9.8, uses R-410A refrigerant, comes with a 10 ft line set, and carries a 5-year compressor warranty. It is no longer sold new.

- Line: [Pioneer Inverter++ (R-410A)](https://minisplitfacts.com/lines/pioneer-yn-r410a/)
- Category: [Single-zone systems](https://minisplitfacts.com/compare/single-zone/)
- Size tier within its line: 48k
- 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-yn-r410a-48k-cassette-cyb/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | CYB048GMFILCBD | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Size | 48,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Indoor unit style | Ceiling cassette | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| SEER2 (cooling efficiency) | 18.5 | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| EER2 (efficiency at 95 °F) | 9.5 | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| HSPF2 (heating efficiency) | 9.8 | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Rated cooling capacity | 48,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Heating capacity at 47 °F | 50,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Heating capacity at 17 °F | not published |  |
| Heating capacity at 5 °F | not published |  |
| COP at 5 °F | not published |  |
| Heats down to | not published |  |
| Refrigerant | R-410A | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| ENERGY STAR certified | not published |  |
| ENERGY STAR cold climate | not published |  |
| Line connection | Flare | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Line set included | 10 ft | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | 50 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Outdoor sound level | 65 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Room size (brand's claim) | 1,800 sq ft | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Compressor warranty | 5 years | [pioneerminisplit.com](https://www.pioneerminisplit.com/pages/warranty) (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) |
| Outdoor unit size (W×D×H) | 37.5 × 16.38 × 52.5 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Indoor unit size (W×D×H) | 32.62 × 32.62 × 11.38 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Outdoor unit weight | 219.1 lb | [pioneerminisplit.com](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Pioneer | $3,948 | out of stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/48-000-btu-8-way-slim-cassette-mini-split-air-conditioner-heat-pump-system-full-set) |

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 (48k), different line:

- [ACiQ Extreme 48,000 BTU ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-48k-cassette/) — $4,559.98
- [ACiQ Extreme 48,000 BTU floor console system](https://minisplitfacts.com/products/aciq-extreme-48k-console/) — $4,344.99
- [ACiQ Extreme 48,000 BTU concealed duct system](https://minisplitfacts.com/products/aciq-extreme-48k-duct/) — $4,599.99
- [Pioneer Quantum Ultra 48,000 BTU concealed duct system (RYB-20)](https://minisplitfacts.com/products/pioneer-quantum-ultra-48k-duct-ryb-20/) — $5,068
- [Pioneer Quantum Ultra 48,000 BTU floor/ceiling system (UYB-20)](https://minisplitfacts.com/products/pioneer-quantum-ultra-48k-floor-ceiling-uyb-20/) — $4,938
- [Pioneer Quantum Ultra 48,000 BTU ceiling cassette system (CYB-20)](https://minisplitfacts.com/products/pioneer-quantum-ultra-48k-cassette-cyb-20/)


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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.