# Pioneer Diamante Ultra 12,000 BTU  indoor unit (WT-MI)

> Pioneer Diamante Ultra 12,000 BTU  indoor unit (WT-MI) (WT012GLFI22HLD) is a 12,000 BTU indoor unit from Pioneer Diamante Ultra. It runs on 208/230V. It is no longer sold new.

- Line: [Pioneer Diamante Ultra (R-410A)](https://minisplitfacts.com/lines/pioneer-diamante-ultra-r410a/)
- Category: [Indoor units](https://minisplitfacts.com/compare/indoor-unit/)
- Size tier within its line: 12k
- 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-diamante-ultra-r410a-12k-indoor-unit-wt-mi/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model number | WT012GLFI22HLD | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-ultra-multi-zone-indoor-section-12-000-btu-230v-ductless-mini-split-wi-fi-inverter-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Size | 12,000 BTU/h | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-ultra-multi-zone-indoor-section-12-000-btu-230v-ductless-mini-split-wi-fi-inverter-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Indoor unit style | not published |  |
| Voltage | 208/230V | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-ultra-multi-zone-indoor-section-12-000-btu-230v-ductless-mini-split-wi-fi-inverter-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Refrigerant | not published |  |
| Line connection | Flare | [pioneerminisplit.com](https://pioneerminisplit.com/products/pioneer-diamante-ultra-multi-zone-indoor-section-12-000-btu-230v-ductless-mini-split-wi-fi-inverter-air-conditioner-heat-pump) (brand, page, 2026-10-14) |
| Wi-Fi control | not published |  |
| Indoor sound level (quietest) | not published |  |
| 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 | $343 | out of stock | 2026-10-14 | [View at Pioneer](https://pioneerminisplit.com/products/pioneer-diamante-ultra-multi-zone-indoor-section-12-000-btu-230v-ductless-mini-split-wi-fi-inverter-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 (12k), different line:

- [MRCOOL DIY 5th Gen 12,000 BTU ceiling cassette indoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-12k-ceiling-cassette-indoor-unit/) — $1,378
- [MRCOOL Olympus 12,000 BTU wall mount indoor unit](https://minisplitfacts.com/products/mrcool-olympus-12k-wall-mount-indoor-unit/)
- [MRCOOL Olympus 12,000 BTU ceiling cassette indoor unit](https://minisplitfacts.com/products/mrcool-olympus-12k-ceiling-cassette-indoor-unit/)
- [MRCOOL Olympus 12,000 BTU concealed duct indoor unit](https://minisplitfacts.com/products/mrcool-olympus-12k-slim-duct-indoor-unit/)
- [MRCOOL DIY 5th Gen 12,000 BTU wall mount indoor unit](https://minisplitfacts.com/products/mrcool-diy-5th-gen-12k-wall-mount-indoor-unit/) — $668
- [Pioneer Quantum Ultra 12,000 BTU concealed duct indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-12k-duct-indoor-unit-msi-24/) — $688
- [Pioneer Quantum Ultra 12,000 BTU ceiling cassette indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-12k-cassette-indoor-unit-msi-24/) — $828
- [Pioneer Quantum Ultra 12,000 BTU wall mount indoor unit (MSI-24)](https://minisplitfacts.com/products/pioneer-quantum-ultra-12k-wall-indoor-unit-msi-24/) — $418


---
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.