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Sauna Heater Supply - Sauna Heater Size Calculator

Step 1: Enter Sauna Dimensions
ft. Or in.
ft. Or in.
ft. Or in.
Or
cu. ft.
Provide the dimensions of your sauna in feet or inches, or if you already know the total volume, enter it directly.
Step 2: Cold Surface Area
sq. ft.
Cold surfaces include materials like glass and stone, which require additional heating capacity. Enter the total area of such surfaces in square feet.
Step 3: Choose Preferred Brand
Select your preferred brand:

Each heater brand may have different requirements based on design. Select your preferred brand to calculate accordingly.

Results

Sauna Heater Size Calculator

This calculator provides a helpful guide to determine the appropriate size of the sauna heater you should consider. When sizing your heater, a few key factors come into play:

  • The size of your sauna: A larger sauna requires a more powerful heater.
  • Sauna construction materials: If your sauna is built with colder materials such as glass or stone, you’ll need a larger heater compared to one built from wood. Our calculator factors this in to provide accurate sizing recommendations.

For very large saunas, you may need two heaters. If your sauna exceeds the capacity of a single heater, we recommend reaching out to us to ensure you get the correct size.

When in doubt, opt for a larger sauna heater.

It’s not uncommon for customers to choose a heater that’s too small, but we’ve never heard of anyone purchasing a heater that was too big. In fact, choosing a larger heater comes with several advantages:

  • A larger heater lasts longer because it doesn’t need to run at full capacity all the time.
  • You’ll have the ability to reach higher temperatures, if desired.
  • The heat will be more consistent, as larger heaters typically have more stones, which enhance heat storage and radiation.

If you'd like assistance selecting the perfect sauna heater, feel free to give us a call at 916-333-0240

 or use the chat function at the bottom of the page.

Contact us today at sales@saunaheatersupply.com for more information or to find the right heater for your sauna!