5-Year Heater Warranty
Finlandia FIN-45
Overview
The Finlandia FIN-45 is a 4.5 kW wall-mounted electric sauna heater built for traditional Finnish-style saunas up to 210 cubic feet. Made by Harvia and imported from Finland, it delivers the deep, penetrating heat of an authentic sauna and is engineered for years of safe, reliable operation.
- Triple-wall construction for greater safety and lower surface temperatures
- Large rock capacity with stones in direct contact with the elements for efficient heat storage
- Professional-grade stainless-steel elements and components
- Choose the standard red finish or optional stainless-steel exterior (FIN-45-S)
- Available in 240V single-phase or 208V three-phase; UL and ETL listed
- Limited lifetime warranty and fully serviceable
A compatible control is required and sold separately: for 240V/1PH use the CX170 or F1T; for 208V/3PH use the CX170, or the FT2 with FX303 contactor. For commercial 24/7 operation, pair the CX170 with a 24H7D time clock, or the F2 control with its contactor and 24H7D time clock. Digital controls include a power supply; the manual F-2 and F-2T controls require a contactor.
Key Features
Design & Build
- Wall-mounted design
- Stainless steel construction; triple-wall body
- Optional stainless steel exterior (FIN-45-S)
Stones & Steam
- Exceptionally large rock capacity
- Stones in direct contact with elements for efficiency
Heating Elements
- Stainless steel, industrial-grade elements
- Fully serviceable
Controls & Electrical
- Available in 240V/1PH or 208V/3PH
- 240V/1PH: CX170 or F1T control
- 208V/3PH: CX170, or F2T control with FX303 contactor
- 24-hour operation: CX170 with 24H7D time clock, or F2 with FX303 contactor and 24H7D time clock
- Requires a wall-mounted time/temperature control (sold separately)
- F2 and F-2T controls require a contactor
Do your research first
This is a big purchase. We'd rather you get a fair look at the market — compare with these trusted sources before you decide.
About Finlandia
Authentic Finnish heat since 1964
Finlandia Sauna has brought the authentic Finnish sauna experience to North America for over half a century. Finlandia electric heaters are manufactured by Harvia in Finland and engineered for years of safe, reliable, penetrating heat — with industrial stainless-steel elements, generous rock capacity, and triple-wall construction for lower surface temperatures.
Every Detail
Specifications & Details
Specifications
Model: FIN-45
Kilowatt Rating: 4.5 KW
Cubic Feet
Minimum: 100 CF
Maximum: 210 CF
Weight
Heater Weight: 40 lbs
Shipping Weight with Sauna Stones: 90 lbs
Nominal Amperage
240V, Single Phase: 18.8 Amps
208V, 3-Phase: 12.5 Amps
Recommended Minimum Copper Wire Supply
240V, Single Phase: 10 AWG
208V, 3-Phase: 14 AWG
Dimensions
Width: 16"
Depth: 11"
Height: 24"
What's Included
- Sauna heater
- 45 lbs of Igneous sauna stones
- Installation and operation manual
- Manufacturer's warranty
Sauna Compatibility & Sizing
Designed for sauna rooms from 100–210 cubic feet. Operates on 240V single-phase or 208V three-phase.
The Finlandia FIN-45 suits traditional sauna rooms, including SaunaLife, Dundalk LeisureCraft, and ThermaSol barrel, cube, and cabin saunas — choose the model whose cubic-foot rating matches your room volume. Measure length × width × height of your sauna interior to find the right kW.
Shipping & Warranty
Shipping: Ships free via freight carrier with curbside delivery to the contiguous U.S. Most orders dispatch within a few business days.
Warranty: The FIN45 carries a limited lifetime warranty and is fully serviceable. Backed by Sauna Co. customer support.
Many heaters require a compatible control unit and sauna stones, sold separately — contact our specialists for the right pairing.
Resources
Documents & Manuals
Heater Installation & Operation Manual
Watch & learn
Installation Guide
Follow along with this step-by-step installation and assembly walkthrough so you know exactly what to expect. Our team is one message away if you need a hand.
to a friend
The Finlandia FIN-45 is perfectly sized for my smaller sauna and heats it quickly to a strong temperature. The build is solid and the stone capacity gives good steam. Easy to wire with an electrician. Reliable Finnish quality at a fair price.
Installed the FIN-45 and it brings my sauna up to temp in about 30 minutes. The heat is even and the rocks produce a lovely loyly. Controls are simple and it has been trouble free. Great value heater for a traditional room.
The FIN-45 is a good, reliable heater. Just be sure to match the kW to your room size. Mine is well matched and heats quickly with good steam. Needed an electrician for the wiring. Quality build from a trusted brand.
Finlandia has a great reputation and this heater lives up to it. Sturdy construction, fast heat-up, and a generous stone tray for steam. It's been the reliable heart of my sauna since install. Recommend.
This compact heater punches above its size. It heats my sauna quickly and holds temperature without issue. The construction feels durable and the steam off the rocks is excellent. Happy with the purchase.