Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension vs Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW
The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension costs $1,781 and the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW costs $1,795. This comparison covers the full spec sheets of both, the deciding difference between them, and which buyer each one fits.
Our verdict
The choice between the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension ($1,781) and the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW ($1,795) comes down to model. The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension offers model of Pro 20 SL, while the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW offers Cozy OG 12. The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension saves you $14; pay the difference for the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW only if that gap buys a spec you will use.
Which one is right for you?
It depends on your situation.
Choose the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension if
Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension: You want model of Pro 20 SL. The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension also costs $14 less than the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW.
Choose the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW if
Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW: You want model of Cozy OG 12.
Full specs comparison
| Spec | Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension | Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW |
|---|---|---|
| Price | $1,781 | $1,795 |
| Type | · | · |
| Heat Type | · | · |
| Temp Range | · | · |
| Heat-Up Time | · | · |
| Capacity | · | · |
| Dimensions | · | · |
| Weight | 154 lbs | 121 lbs |
| EMF Level | · | · |
| Power | 24.1 KW | 12kW |
| Warranty | · | · |
Pros and cons
Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension
Pros
Cons
Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW
Pros
Cons
Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension vs Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW: common questions
How much more does the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW cost than the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension?
The Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW costs $1,795, which is $14 more than the $1,781 Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension. Beyond price, the main spec difference is model: the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW offers model of Cozy OG 12, the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension offers model of Pro 20 SL.
Is the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension worth it over the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW?
It depends on the spec you need, and we do not name one of these two better than the other. The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension offers model of Pro 20 SL, while the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW offers Cozy OG 12. The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension costs $1,781 and the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW costs $1,795, a difference of $14.
What is the main difference between the Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension and the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW?
The Harvia Pro 20 SL Wood-Burning Sauna Stove w/ Firebox Extension offers model of Pro 20 SL; the Cozy Heat OG Sauna Stove Wood Burning Sauna Stove, Up to 18kW offers model of Cozy OG 12. That is the deciding spec difference between the two.
Neither of these quite right?
Take our 60-second quiz and we will match you with the best option for your budget, space, and goals.

