# Pioneer EStar (R-410A)

> Pioneer EStar is Pioneer's modular tool storage system, launched in 2022. It is no longer sold new. MiniSplit Facts lists 6 products in it: 6 single-zone systems.

- Brand: [Pioneer](https://minisplitfacts.com/brands/pioneer/)
- Status: no longer sold new
- Launched: 2022 ([source](https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Mini-Split-Heat-Pumps/akti-mt5s))
- Page: https://minisplitfacts.com/lines/pioneer-estar-r410a/

WYS-22 high-wall systems. Previous generation: R-410A. Pioneer's store tags these units "R410aFinalSellout" (seen 2026-10-14); most are sold out.

## Products

Dimensions are L × W × H in inches; load is the brand's rated load. Each product's page names the source of every value.

### Single-zone systems

| Product | Size tier | Size (BTU/h) | Indoor style | Voltage | Zones | SEER2 | EER2 | HSPF2 | Cooling (BTU/h) | Heat @47 °F (BTU/h) | Heat @5 °F (BTU/h) | COP at 5 °F | Heats to (°F) | Refrigerant | ENERGY STAR | Cold climate | Lines | Line set (ft) | Wi-Fi control | Indoor dB(A) | Outdoor dB(A) | Compressor warr. (yr) | Parts warr. (yr) | Lifetime parts | Self-install warranty | Price | Store (checked) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [Pioneer EStar 18,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-18k-wall-wys-22/) | 18k | 18000 | Wall mount | 208/230V | — | 23.7 | 13.5 | 10.3 | 18000 | 18000 | — | 2.39 | — | R-410A | — | — | Flare | 10 | — | 30 | 59 | 5 | 5 | — | Kept | $1,190 | Pioneer (2026-10-14) |
| [Pioneer EStar 9,000 BTU 115V wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-9k-115v-wall-wys-22/) | — | 9000 | Wall mount | 115V | — | 22.7 | 12 | 10 | 9000 | 9000 | — | 2 | — | R-410A | — | — | Flare | 10 | — | 23 | 52.5 | 5 | 5 | — | Kept | — |  |
| [Pioneer EStar 24,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-24k-wall-wys-22/) | — | 24000 | Wall mount | 208/230V | — | 21 | 12.5 | 9 | 24000 | 26000 | 16600 | 1.92 | — | R-410A | yes | no | Flare | 10 | — | 32 | 61 | 5 | 5 | — | Kept | — |  |
| [Pioneer EStar 12,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-12k-wall-wys-22/) | — | 12000 | Wall mount | 208/230V | — | 23.1 | 12 | 9 | 12000 | 12000 | — | 2.24 | — | R-410A | — | — | Flare | 10 | — | 21.5 | 53.5 | 5 | 5 | — | Kept | — |  |
| [Pioneer EStar 12,000 BTU 115V wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-12k-115v-wall-wys-22/) | — | 12000 | Wall mount | 115V | — | 22.7 | 12.5 | 10 | 12000 | 12000 | 6500 | 2 | — | R-410A | yes | no | Flare | 10 | — | 23 | 52.5 | 5 | 5 | — | Kept | — |  |
| [Pioneer EStar 9,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-9k-wall-wys-22/) | — | 9000 | Wall mount | 208/230V | — | 24 | — | 11.4 | 9000 | 10000 | — | 2.18 | — | R-410A | — | — | Flare | — | — | 24.5 | 54.5 | 5 | 5 | — | Kept | — |  |

## Questions

**What is in the Pioneer EStar lineup?**
MiniSplit Facts lists 6 Pioneer EStar products: 6 single-zone systems.

**When did Pioneer EStar come out?**
Pioneer launched EStar in 2022 ([source](https://data.energystar.gov/Active-Specifications/ENERGY-STAR-Certified-Mini-Split-Heat-Pumps/akti-mt5s)).

**What warranty if you install it yourself does Pioneer EStar have?**
6 of the 6 Pioneer EStar products we list have a published warranty if you install it yourself (Kept), for example the [Pioneer EStar 18,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-18k-wall-wys-22/) and the [Pioneer EStar 9,000 BTU 115V wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-9k-115v-wall-wys-22/). 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.

**What is the largest Pioneer EStar system?**
By size, the [Pioneer EStar 24,000 BTU wall mount system (WYS-22)](https://minisplitfacts.com/products/pioneer-estar-r410a-24k-wall-wys-22/) at 24,000 BTU/h.

**Where can I buy Pioneer EStar?**
The stores with the most Pioneer EStar listings on file are Pioneer (6 products). Each product page lists every store we track, with the price and the date it was checked.


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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.