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ThermaSol
PROIII-750 Pro Series III generator
$4,498best price, at The Sauna Place · 9 sellers, up to $7,946Save $3,448 vs the highest price
- steam generator
Prices checked Sep 29, 2026. Freight, wiring and a pad usually add more; the cost calculator totals them.
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ThermaSol PROIII-750 Pro Series III generator$4,498Shop at The Sauna Place The price ledger
Same product, 9 sellers, $3,448 apart
Cheapest first. Prices checked Sep 29, 2026; confirm freight and what's included before you buy.
- 01The Sauna PlaceBest price$4,498View
- 02Art of Steam Co$1,064 more than the best price · in stock$5,562View
- 03The Steam Store$1,064 more than the best price · in stock$5,562View
- 04Cottage Spas$1,064 more than the best price · in stock$5,562View
- 05Premium Saunas$1,064 more than the best price · in stock$5,562View
- 06SaunaHeaters.com$1,064 more than the best price · in stock$5,562View
- 07Empire Saunas$2,733 more than the best price$7,231View
- 08American Sauna Store$2,892 more than the best price · in stock$7,390View
- 09US Bath Store$3,448 more than the best price$7,946View
Compare across brands
How it stacks up
 This oneThermaSol PROIII-750 Pro Series III generator |  SteamistTotalSense Series 15kW Steam Shower Generator |  Mr. SteamMS MAX Series 20KW Steam Shower Generator |  KohlerInvigoration 15kW Steam Generator |  AmerecAK18 - 18KW Steam Generator 500 700 Cubic Ft (2 - 9KW Generators) | |
|---|---|---|---|---|---|
| Lowest price | $4,498 | $4,625 | $4,690 | $4,238Lowest | $4,824 |
| Sold by | 9 sellers, up to $7,946 | Bio Wellness Collection only | 3 sellers, up to $5,093 | 3 sellers, up to $4,238 | Sauna Kit Co only |
| Steam generator | 20 kW | 15 kW | 20 kW | 15 kW | 11 kW |
| Room size | 750 cu ft | Not listed | Not listed | Not listed | up to 550 cu ft |
| Size | 18" L x 23" W x 14" H | Not listed | Not listed | 23.872"L × 14.738"W × 15.037"H | Not listed |
| Every seller | Compare it | Compare it | Compare it | Compare it |
The details
PROIII-750 Pro Series III generator
- Rated output of 20 kW
- Available for 208/240V
- Made from stainless steel
- Sized for rooms up to 750 cu ft
- Lifetime warranty listed
- Warranty
- lifetime warranty
- Wood / material
- stainless steel
- Voltage
- 208–240 V
- Circuit
- 92 A
- Steam generator
- 20 kW
- Room volume
- 750 cu ft
- Weight
- 48 lbs
- Exterior
- 18" L x 23" W x 14" H
What’s included
- Stainless Steel Drain Pan
- 3/8" Braided Stainless Steel Hose & Fitting
- In-line Water Screen Kit
- Pre-Plumbed Safety Relief Valve
- Steamhead Housing and Cable Kit
- 50' CAN-bus Cable for Controller
- Installation Instructions
- Static Cling Warning Label
- Warranty
From the sellers’ own product listings, checked 2026-10-01. Confirm specs with the seller before you buy.
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