Budgeting for the Running Cost of an Infrared Sauna

I budget sauna use the way I budget any small utility: estimate the draw, multiply by time, then check the rate on my bill. The formula is simple. Watts divided by 1,000 gives kilowatts. Multiply by hours used. Multiply by your electricity rate per kilowatt-hour. That number is the energy cost before taxes or fees.

Warm-up time matters. I count it as part of the session because the heater runs before I sit down. If I plan a 30-minute session and the sauna needs 15 minutes to warm up, I budget 45 minutes of run time. That changes the monthly math more than people expect.

Here is a hypothetical example, not a product claim. Say the unit draws 1,500 watts, the room takes 15 minutes to warm up, and I use it five times a week for 30 minutes. That is 45 minutes per session, or 0.75 hours. At 1.5 kilowatts, each session uses about 1.125 kWh. Five sessions a week is about 5.6 kWh per week, or roughly 24 kWh per month. At a hypothetical 16 cents per kWh, that is about $3.90 a month. If my rate is higher or I run longer, the cost rises. I check my own utility rate and current terms rather than guessing.

A few habits keep the estimate honest:

• Time warm-up separately from sitting time.
• Use a timer so sessions do not drift.
• Track a normal week, not a best-case week.
• Recheck the rate when the season changes.

I also leave a little room for taxes and fixed charges. The energy estimate is not the whole bill. For me, the point is not to chase pennies but to know what a routine costs before it becomes routine. If I am comparing options, I read the manufacturer’s own electrical information and ask how much warm-up time is typical. I used a simple running-cost worksheet like the one I keep for other appliances, and I keep the 2 Person Infrared Sauna details in the same folder so I can compare notes later. Then I decide whether the habit fits my budget.

— Sarah Collins