# TOSOT Cosmo

> TOSOT Cosmo is TOSOT's modular tool storage system. MiniSplit Facts lists 8 products in it: 8 single-zone systems. Prices on file run from $699.99 to $2,499.

- Brand: [TOSOT](https://minisplitfacts.com/brands/tosot/)
- Status: current
- Page: https://minisplitfacts.com/lines/tosot-cosmo/

TOSOT's standard wall-mount series.

## 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [TOSOT Cosmo 30,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-30k-wall/) | 30k | 30000 | Wall mount | 208/230V | — | — | — | 9 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | — | — | — | — | Licensed installer required | $2,199 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 36,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-36k-wall/) | 36k | 36000 | Wall mount | 208/230V | — | — | — | 8.5 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | — | — | — | — | Licensed installer required | $2,499 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 24,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-24k-wall/) | 24k | 24000 | Wall mount | 208/230V | — | — | — | 8.5 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | — | — | — | — | Licensed installer required | $1,399 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 9,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-9k-wall/) | 9k | 9000 | Wall mount | 208/230V | — | 20.5 | — | 8.8 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | 41 | — | — | — | Licensed installer required | $699.99 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 12,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-12k-wall/) | 12k | 12000 | Wall mount | 208/230V | — | — | — | — | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | 47 | — | — | — | Licensed installer required | $809.99 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 18,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-18k-wall/) | 18k | 18000 | Wall mount | 208/230V | — | 20 | — | 8.5 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | 53 | — | — | — | Licensed installer required | $1,199.99 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 12,000 BTU 115V wall mount system](https://minisplitfacts.com/products/tosot-cosmo-12k-115v-wall/) | 12k | 12000 | Wall mount | 115V | — | 19 | — | 8.5 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | 47 | — | — | — | Licensed installer required | $809.99 | TOSOT (2026-10-14) |
| [TOSOT Cosmo 9,000 BTU 115V wall mount system](https://minisplitfacts.com/products/tosot-cosmo-9k-115v-wall/) | 9k | 9000 | Wall mount | 115V | — | 20.5 | — | 8.8 | — | — | — | — | — | R-32 | — | — | Flare | 16 | — | — | 43 | — | — | — | Licensed installer required | $699.99 | TOSOT (2026-10-14) |

## Questions

**What is in the TOSOT Cosmo lineup?**
MiniSplit Facts lists 8 TOSOT Cosmo products: 8 single-zone systems.

**What warranty if you install it yourself does TOSOT Cosmo have?**
8 of the 8 TOSOT Cosmo products we list have a published warranty if you install it yourself (Licensed installer required), for example the [TOSOT Cosmo 30,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-30k-wall/) and the [TOSOT Cosmo 36,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-36k-wall/). 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 TOSOT Cosmo system?**
By size, the [TOSOT Cosmo 36,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-36k-wall/) at 36,000 BTU/h.

**How much does TOSOT Cosmo cost?**
Prices on file run from $699.99 ([TOSOT Cosmo 9,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-9k-wall/), at TOSOT) to $2,499 ([TOSOT Cosmo 36,000 BTU wall mount system](https://minisplitfacts.com/products/tosot-cosmo-36k-wall/), at TOSOT), as of October 14, 2026. Prices are re-checked weekly.

**Where can I buy TOSOT Cosmo?**
The stores with the most TOSOT Cosmo listings on file are TOSOT (8 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.