# Cozy Heat O 18kW Thru-Wall Wood Burning Sauna Stove

> Cozy Heat O 18kW Thru-Wall Wood Burning Sauna Stove is a heater from Cozy Heat heaters. It uses wood heat. Lowest in-stock price on file: $2,416.85 at Haven of Heat (checked Oct 7, 2026).

- Line: [Cozy Heat heaters](https://saunagrid.com/lines/cozy-heat-heaters/)
- Category: [Sauna heaters](https://saunagrid.com/compare/heater/)
- Status: current
- Data confidence: inferred (last verified 2026-10-07; [what this means](https://saunagrid.com/how-we-compare/#confidence))
- Page: https://saunagrid.com/products/cozy-heat-heaters-o-thru-wall-wood-burning-sauna-stove-18kw/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model / SKU | not published |  |
| Heat | wood | [havenofheat.com](https://havenofheat.com/products/cozy-heat-o-18kw-thru-wall-wood-burning-sauna-stove) (retailer, page, 2026-10-07) |
| Outside size (L×W×H) | not published |  |
| Weight | not published |  |
| Power | not published |  |
| Voltage | not published |  |
| Circuit | not published |  |
| Plugs in | not published |  |
| Top temperature (claimed) | not published |  |
| Room size it heats | 317-635 cu ft | [havenofheat.com](https://havenofheat.com/products/cozy-heat-o-18kw-thru-wall-wood-burning-sauna-stove) (retailer, page, 2026-10-07) |
| Electrical safety listing | not published |  |
| Warranty: heater | not published |  |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| Haven of Heat | $2,416.85 | in stock | 2026-10-07 | [View at Haven of Heat](https://havenofheat.com/products/cozy-heat-o-18kw-thru-wall-wood-burning-sauna-stove) |

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, different line:

- [Finlandia FLB Series 8kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-8kw/) — $1,153.80
- [Finlandia FLB Series 8kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-8kw-44794916110629/) — $1,117.80
- [Finlandia FLB Series 6kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-6kw/) — $1,076.40
- [Finlandia FLB Series 6kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-6kw-44794915914021/) — $1,040.40
- [Finlandia FLB Series 4.5kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-4-5kw/) — $1,015.20
- [Finlandia FLB Series 4.5kW Sauna Heater](https://saunagrid.com/products/finlandia-heaters-flb-series-4-5kw-44794915815717/) — $979.20
- [Finlandia FIN Series 8KW Electric Sauna Heater](https://saunagrid.com/products/finlandia-heaters-fin-series-electric-8kw/) — $1,107
- [Finlandia FIN Series 6KW Electric Sauna Heater](https://saunagrid.com/products/finlandia-heaters-fin-series-electric-6kw/) — $988.20


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SaunaGrid lists home saunas from every brand side by side, with a source for every spec and a date on every price. [How we compare](https://saunagrid.com/how-we-compare/). Data as of 2026-10-10.