# Pioneer Diamante Essenza 12,000 BTU wall mount system (WYT-17)

> Pioneer Diamante Essenza 12,000 BTU wall mount system (WYT-17) (WYT012GLUI17RL) is a 12,000 BTU system from Pioneer Diamante Essenza. It has a wall mount indoor unit, runs on 208/230V, is rated 17 SEER2, has an HSPF2 of 8.5, heats down to 5 °F by the brand's rating, uses R-32 refrigerant, comes with a 16 ft line set, and carries a 5-year compressor warranty. Lowest in-stock price on file: $738 at Pioneer (checked Oct 14, 2026).

- Line: [Pioneer Diamante Essenza](https://minisplitfacts.com/lines/pioneer-diamante-essenza/)
- Category: [Single-zone systems](https://minisplitfacts.com/compare/single-zone/)
- Size tier within its line: 12k
- 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/pioneer-diamante-essenza-12k-wall-wyt-17/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | WYT012GLUI17RL | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Size | 12,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Indoor unit style | Wall mount | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Outdoor unit model | YN012GLUI17RPD | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Indoor unit model | WT012GLUI17HLD | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| SEER2 (cooling efficiency) | 17 | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| EER2 (efficiency at 95 °F) | 9.5 | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| HSPF2 (heating efficiency) | 8.5 | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Rated cooling capacity | 11,500 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Heating capacity at 47 °F | 11,500 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Heating capacity at 17 °F | not published |  |
| Heating capacity at 5 °F | not published |  |
| COP at 5 °F | 1.75 | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Heats down to | 5 °F | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Refrigerant | R-32 | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (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/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Line set included | 16 ft | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | 33 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Outdoor sound level | 55 dB(A) | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Room size (brand's claim) | 500 sq ft | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (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) | 31 × 11.5 × 19.38 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Indoor unit size (W×D×H) | 30.5 × 7.88 × 9.75 in | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |
| Outdoor unit weight | 50.7 lb | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) (brand, page, 2026-10-14) |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Pioneer | $738 | in stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/pioneer-diamante-essenza-high-wall-series-11-500-btu-17-seer2-230v-ductless-mini-split-air-conditioner-inverter-heat-pump-with-16-ft-kit) |

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

## The equivalent in other lines

Same category, same size tier (12k), 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 Standard 12,000 BTU 115V wall mount system](https://minisplitfacts.com/products/aciq-standard-12k-115v-wall/) — $1,099.99
- [ACiQ Standard 12,000 BTU ceiling cassette system](https://minisplitfacts.com/products/aciq-standard-12k-cassette/) — $1,739.99
- [ACiQ Standard 12,000 BTU slim ceiling cassette system](https://minisplitfacts.com/products/aciq-standard-12k-cassette-slim/) — $1,889.99


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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.