# Pioneer EStar 24,000 BTU wall mount system (WYS-22)

> Pioneer EStar 24,000 BTU wall mount system (WYS-22) (WYS024GMFI22RL) is a system from Pioneer EStar. It has a wall mount indoor unit, runs on 208/230V, is rated 21 SEER2, has an HSPF2 of 9, puts out 16,600 BTU/h of heat at 5 °F, 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 EStar (R-410A)](https://minisplitfacts.com/lines/pioneer-estar-r410a/)
- Category: [Single-zone systems](https://minisplitfacts.com/compare/single-zone/)
- 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-estar-r410a-24k-wall-wys-22/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | WYS024GMFI22RL | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Size | 24,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Indoor unit style | Wall mount | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Outdoor unit model | YN024GMFI22RPE | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Indoor unit model | WS024GMFI22HLE | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| SEER2 (cooling efficiency) | 21 | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| EER2 (efficiency at 95 °F) | 12.5 | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| HSPF2 (heating efficiency) | 9 | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Rated cooling capacity | 24,000 BTU/h | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Heating capacity at 47 °F | 26,000 BTU/h | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Heating capacity at 17 °F | 18,000 BTU/h | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Heating capacity at 5 °F | 16,600 BTU/h | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| COP at 5 °F | 1.92 | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Heats down to | not published |  |
| Refrigerant | R-410A | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| ENERGY STAR certified | yes | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| ENERGY STAR cold climate | no | [energystar.gov](https://www.energystar.gov/productfinder/product/certified-heat-pumps/details/2473802) (certification, feed, 2026-10-14) |
| Line connection | Flare | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-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/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | 32 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Outdoor sound level | 61 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Room size (brand's claim) | 950 sq ft | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-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) | 37.2 × 16.2 × 31.8 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Indoor unit size (W×D×H) | 42.5 × 8.8 × 13.2 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |
| Outdoor unit weight | 124.8 lb | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-mini-split-air-conditioner-heat-pump-system-full-set) (brand, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Pioneer | $1,698 | out of stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/pioneer-24-000-btu-230v-ductless-wys-energy-star-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, different line:

- [ACiQ Extreme 12,000 BTU ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-12k-cassette/) — $1,999.99
- [ACiQ Extreme 12,000 BTU slim ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-12k-cassette-slim/) — $2,149.99
- [ACiQ Extreme 12,000 BTU floor console system](https://minisplitfacts.com/products/aciq-extreme-12k-console/) — $2,049.99
- [ACiQ Extreme 12,000 BTU concealed duct system](https://minisplitfacts.com/products/aciq-extreme-12k-duct/) — $2,099.99
- [ACiQ Extreme 12,000 BTU wall mount system](https://minisplitfacts.com/products/aciq-extreme-12k-wall/) — $1,649.99
- [ACiQ Extreme 18,000 BTU ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-18k-cassette/) — $2,249.99
- [ACiQ Extreme 18,000 BTU slim ceiling cassette system](https://minisplitfacts.com/products/aciq-extreme-18k-cassette-slim/) — $2,429.99
- [ACiQ Extreme 18,000 BTU floor console system](https://minisplitfacts.com/products/aciq-extreme-18k-console/) — $2,393.99


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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.