Finnmark Designs FD-3 Full Spectrum Infrared Sauna
Finnmark Designs infrared saunas · Saunas · Large inferred
$6,495 at Haven of Heat · checked Oct 7, 2026
Finnmark Designs FD-3 Full Spectrum Infrared Sauna is a large sauna from Finnmark Designs infrared saunas. It uses infrared heat, seats up to 4, measures 46 × 72 × 78 in outside (L × W × H), and is rated to reach 170 °F. Lowest in-stock price on file: $6,495 at Haven of Heat (checked Oct 7, 2026).
| Category | Saunas |
|---|---|
| Model / SKU | — |
| Heat ? | infraredfinnmarkdesigns.com |
| Infrared spectrum ? | far, mid, nearfinnmarkdesigns.com |
| Setting | — |
| Shape | — |
| Seats | 4finnmarkdesigns.com |
| Outside size (L×W×H) ? | 46 × 72 × 78 insaunakits.com |
| Inside size (L×W×H) | 41.6 × 67.2 × 70.5 insaunakits.com |
| Weight | 488 lbsaunakits.com |
| Power ? | — |
| Voltage ? | 240finnmarkdesigns.com |
| Circuit ? | 15 Afinnmarkdesigns.com |
| Plugs in ? | nofinnmarkdesigns.com |
| Top temperature (claimed) ? | 170 °Fsaunakits.com |
| Heater | — |
| Heater included in the price ? | — |
| Wood ? | red cedar, aspenfinnmarkdesigns.com |
| Thermally modified wood ? | — |
| Wall / stave thickness ? | — |
| Arrives ? | — |
| Electrical safety listing ? | — |
| Warranty: cabin | 10 yearsfinnmarkdesigns.com |
| Warranty: heater | lifetimefinnmarkdesigns.com |
| Sold as | Single product |
| Availability | Sold by several retailers |
Where to buy
Prices are re-checked every week. A date more than a month old means the store could not be re-read, so the price may have moved.
A struck-through price is the store's own "was" figure, recorded as shown; the price history below says how long it has stood.
Accessories made for this model
Named for this model by the seller. Items that fit any sauna (stones, buckets) are not listed here.
- Finnmark Designs FD-3 Waterproof Sauna Cover · weather cover · $1,198
Price history
Price tracking for this product began October 7, 2026. Prices are re-checked every week, and the chart fills in from the next check.
Every recorded price change (7)
A row is recorded only when a store's price or stock changes; each line then runs to the date the store was last checked. Amazon prices aren't shown (store policy).
Where this came from
inferred Read from brand or store pages, but at least one value rests on a search result, a figure worked out from the source's own numbers, or a product with no part number to pin it to. Last verified 2026-10-07. What the labels mean.
The equivalent in other lines
Same category, same size class (large), different brand. Open any of them side by side with this sauna, or tick several to compare up to four.
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