# Pioneer Diamante Ultra (R-410A) > Pioneer Diamante Ultra is Pioneer's modular tool storage system, launched in 2022. It is no longer sold new. MiniSplit Facts lists 10 products in it: 6 single-zone systems and 4 indoor units. - 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-diamante-ultra-r410a/ WYT-22 systems, WT multi-zone indoor units and YN-L multi-zone outdoor units. 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 Diamante Ultra 24,000 BTU wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-24k-wall-wyt-22/) | — | 24000 | Wall mount | 208/230V | — | 20 | 12.5 | 9 | 23000 | 24000 | — | — | — | R-410A | — | — | Flare | 16 | — | 31 | 58 | 5 | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 18,000 BTU wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-18k-wall-wyt-22/) | — | 18000 | Wall mount | 208/230V | — | 22 | 13 | 9 | 18000 | 18000 | 11900 | 1.8 | — | R-410A | yes | no | Flare | 16 | — | 31 | 52 | 5 | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 12,000 BTU wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-12k-wall-wyt-22/) | — | 12000 | Wall mount | 208/230V | — | 23 | 13 | 9.5 | 12000 | 12000 | 9100 | 1.8 | — | R-410A | yes | yes | Flare | 16 | — | 27 | 52 | 5 | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 12,000 BTU 115V wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-12k-115v-wall-wyt-22/) | — | 12000 | Wall mount | 115V | — | 22 | 12.5 | 9 | 12000 | 12000 | 8700 | 1.8 | — | R-410A | yes | yes | Flare | 16 | — | 27 | 52 | 5 | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 9,000 BTU wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-9k-wall-wyt-22/) | — | 9000 | Wall mount | 208/230V | — | 23.5 | 13 | 9.2 | 9000 | 9600 | — | — | — | R-410A | — | — | Flare | 16 | — | 27 | 50 | 5 | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 9,000 BTU 115V wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-9k-115v-wall-wyt-22/) | — | 9000 | Wall mount | 115V | — | 23 | 12.5 | 9 | 9000 | 9500 | — | — | — | R-410A | — | — | Flare | 16 | — | 27 | 50 | 5 | 5 | — | Kept | — | | ### Indoor units | 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 Diamante Ultra 24,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-24k-indoor-unit-wt-mi/) | 24k | 24000 | — | 208/230V | — | — | — | — | — | — | — | — | — | — | — | — | Flare | — | — | — | — | — | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 18,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-18k-indoor-unit-wt-mi/) | — | 18000 | — | 208/230V | — | — | — | — | — | — | — | — | — | — | — | — | Flare | — | — | — | — | — | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 12,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-12k-indoor-unit-wt-mi/) | 12k | 12000 | — | 208/230V | — | — | — | — | — | — | — | — | — | — | — | — | Flare | — | — | — | — | — | 5 | — | Kept | — | | | [Pioneer Diamante Ultra 9,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-9k-indoor-unit-wt-mi/) | 9k | 9000 | — | 208/230V | — | — | — | — | — | — | — | — | — | — | — | — | Flare | — | — | — | — | — | 5 | — | Kept | — | | ## Questions **What is in the Pioneer Diamante Ultra lineup?** MiniSplit Facts lists 10 Pioneer Diamante Ultra products: 6 single-zone systems and 4 indoor units. **When did Pioneer Diamante Ultra come out?** Pioneer launched Diamante Ultra 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 Diamante Ultra have?** 10 of the 10 Pioneer Diamante Ultra products we list have a published warranty if you install it yourself (Kept), for example the [Pioneer Diamante Ultra 24,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-24k-indoor-unit-wt-mi/) and the [Pioneer Diamante Ultra 18,000 BTU indoor unit (WT-MI)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-18k-indoor-unit-wt-mi/). 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 Diamante Ultra system?** By size, the [Pioneer Diamante Ultra 24,000 BTU wall mount system (WYT-22)](https://minisplitfacts.com/products/pioneer-diamante-ultra-r410a-24k-wall-wyt-22/) at 24,000 BTU/h. **Where can I buy Pioneer Diamante Ultra?** The stores with the most Pioneer Diamante Ultra listings on file are Pioneer (10 products). Each product page lists every store we track, with the price and the date it was checked. --- 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.