Last updated 2026-07-09

Is 15 minutes of infrared sauna actually enough to do anything?

Short answer: yes, and the evidence is clearer than you might expect.

Infrared saunas work differently from traditional Finnish saunas. A traditional sauna heats the air to 160-200°F and you absorb heat by convection. An infrared unit runs cooler, typically 120-150°F, and the infrared wavelengths (near, mid, and far) penetrate your skin directly, raising tissue temperature without needing a furnace-hot room ^[1]. That mechanism matters because you don't need 30-45 minutes to hit a useful physiological threshold. Your core temperature starts climbing within the first few minutes, your heart rate begins to rise in the same way mild aerobic exercise raises it, and sweat starts around the 10-minute mark for most people.

A 2002 study published in the Journal of Cardiac Failure put patients with chronic heart failure through 15-minute far-infrared sauna sessions (followed by 30 minutes of rest) five days a week. Researchers found statistically significant improvements in exercise tolerance and heart function after just two weeks ^[2]. That's 15 minutes of actual sauna time. The rest period afterward matters, but the heat exposure itself was a quarter of an hour.

So no, 15 minutes is not a truncated version of the "real" thing. It's a dose. A short one, with real physiological effects.

For a broader look at what sauna does to the body across session lengths, sauna benefits is a good companion read.

What happens inside your body during a 15-minute infrared session?

The timeline goes roughly like this.

Minutes 1-5: Skin surface temperature rises. Your sympathetic nervous system starts redirecting blood flow toward the periphery to try to cool you down. Heart rate climbs, often 20-30 beats per minute above resting, which is comparable to a brisk walk ^[3].

Minutes 5-10: Core temperature begins to move. Most people see a 0.5-1.0°C rise in core temp by the 10-minute mark in an infrared environment at around 140°F. Sweat glands activate. The body is now in genuine thermoregulatory work.

Minutes 10-15: Cardiac output increases meaningfully. Blood plasma volume shifts. Heat shock proteins (HSPs) begin to be expressed, proteins that help repair damaged or misfolded cellular proteins. A 2018 review in Frontiers in Physiology described HSP expression as one of the key molecular mechanisms behind sauna-induced adaptation, noting that repeated heat exposure upregulates HSP70 in a dose-dependent manner ^[4].

When you step out at 15 minutes, those processes don't stop. Core temperature stays elevated for 20-40 minutes post-session. HSP expression continues for hours. Your parasympathetic nervous system then takes over the cool-down, which is why many people feel calm and sleepy after even a short session.

The physiological argument for 15 minutes is that you're capturing most of that acute cascade. You're not in detox-myth territory here. You're talking about real, measurable changes in hemodynamics and cellular stress response.

What are the specific benefits of doing 15 minutes of infrared sauna daily?

Here's where it gets interesting, and where I'll be honest about which benefits have better evidence than others.

Cardiovascular health. This is the strongest evidence. A large Finnish cohort study (the Kuopio Ischemic Heart Disease Risk Factor Study, n=2,315 men) found that sauna use 4-7 times per week was associated with a 50% lower risk of fatal cardiovascular disease compared to once-per-week use ^[5]. That study used traditional saunas, not infrared. But the mechanism, repeated heat-induced increases in cardiac output and arterial compliance, applies to infrared as well, and 15-minute daily sessions give you 7 sessions per week. Frequency matters as much as duration here.

Blood pressure. A 2017 trial in the Journal of Human Hypertension found that regular infrared sauna use reduced systolic blood pressure by an average of 6 mmHg in hypertensive patients over three months ^[6]. Sessions were 15-30 minutes. The authors attributed the effect to improved endothelial function and reduced arterial stiffness.

Muscle recovery and soreness. Far-infrared exposure increases circulation to muscle tissue, which helps clear metabolic waste products like lactate. A 2015 study in SpringerPlus found that far-infrared sauna sessions reduced delayed onset muscle soreness (DOMS) scores significantly compared to passive rest ^[7]. Sessions were 15 minutes.

Sleep quality. Raising core temperature and then letting it fall rapidly mimics the natural pre-sleep temperature drop the body uses to initiate sleep. Many people find 15 minutes of infrared heat in the early evening noticeably improves sleep onset. The research here is thinner than I'd like, mostly observational, but the mechanism is plausible and lines up with what sleep-temperature studies show.

Mood and stress. Heat exposure triggers beta-endorphin release and appears to modulate dynorphin, an opioid peptide involved in stress response. A 2016 study in JAMA Psychiatry found that a single whole-body hyperthermia session produced significant antidepressant effects lasting six weeks in patients with major depressive disorder ^[8]. One session. The infrared equivalent at 15 minutes daily would plausibly sustain that effect, though direct infrared-specific mood data is sparse.

Skin circulation. Improved peripheral blood flow during sessions brings nutrients to skin tissue. This is real but minor, and I wouldn't put it high on the priority list unless skin health is your primary goal.

If you're planning daily sessions, look at what a home sauna setup actually involves before you buy.

1x per week (baseline)	0%
2-3x per week	22%
4-7x per week	50%

Source: Laukkanen et al., JAMA Internal Medicine, 2015 (n=2,315)

How does 15 minutes compare to longer sauna sessions?

Honestly, more time at temperature does produce more adaptation, up to a point.

Here's what the data suggests across different session lengths:

Session length	Core temp rise	HSP response	Cardiovascular load	Evidence quality
10 min	Mild (~0.5°C)	Minimal	Light	Limited
15 min	Moderate (~0.8°C)	Moderate	Moderate	Good (several RCTs)
20-30 min	Strong (1.0-1.5°C)	Strong	Significant	Best (Finnish cohort, multiple RCTs)
45+ min	Diminishing returns	Possible fatigue/dehydration	High	Less studied

The sweet spot in most clinical protocols is 20-30 minutes, which is why that range appears in most sauna recommendations. But 15 minutes is not a consolation prize. It's the lower edge of the effective range, not below it. If you genuinely only have 15 minutes, you're not wasting your time.

There's also a frequency argument. Daily 15-minute sessions probably produce more cumulative cardiovascular and HSP adaptation than two 45-minute sessions a week, because the stimulus lands more often. The Finnish longevity data strongly suggests frequency matters ^[5].

If you're comparing infrared to a traditional Finnish sauna at longer durations, see sauna vs steam room for a breakdown of how these formats differ in practice.

Does 15 minutes of infrared sauna daily help with weight loss?

This one needs a straight answer because the marketing around it is reckless.

A 15-minute session burns roughly 150-300 calories, depending on your body weight and the session temperature ^[3]. Most of that is from increased cardiac output (your heart working harder) and metabolic rate elevation from the temperature rise. Some of it is water weight that you'll replenish when you rehydrate.

So yes, there's a real caloric expenditure. But it's not magic, and it's not a substitute for diet or exercise. If you're 200 pounds and you do 15 minutes daily for a week, you might burn an extra 1,000-2,000 calories above baseline from sauna alone. That's roughly half a pound of fat, assuming none of it is offset by eating slightly more (which often happens).

Where infrared sauna may genuinely help weight management is through indirect effects: better sleep improves appetite regulation, stress reduction lowers cortisol (which is associated with abdominal fat storage), and improved circulation supports exercise recovery so you can train more consistently. Those are real mechanisms. They're just not the calorie-torching "sweat the fat out" narrative that some manufacturers push.

Nobody should buy a sauna primarily for weight loss. Buy it for cardiovascular health, recovery, and stress, and treat any caloric contribution as a bonus.

Is daily infrared sauna use safe, or is more-than-a-few-times-a-week the limit?

For healthy adults, daily use at 15 minutes appears safe based on current evidence. The Finnish data includes populations who used saunas daily for decades with no adverse outcomes attributable to sauna frequency ^[5].

That said, a few real risks exist and shouldn't be minimized.

Dehydration is the most common one. A 15-minute session at 140°F can produce 0.5-1.0 liters of sweat. If you're doing this daily, you need to be actively replacing that fluid and electrolytes. Chronic mild dehydration from daily sauna use without compensation would actually negate cardiovascular benefits.

Cardiovascular conditions change the calculus. People with low blood pressure (hypotension), severe aortic stenosis, or recent cardiac events should talk to their doctor before using any sauna regularly. The American College of Cardiology has noted that sauna use is generally safe for stable heart failure patients but recommends supervision for higher-risk individuals ^[9].

Pregnancy is a hard pause. There's consistent evidence from multiple sources, including the CDC and major obstetric guidelines, that elevating core temperature above 38.9°C (102°F) during the first trimester carries risk of neural tube defects ^[10]. Infrared saunas at normal settings can exceed that threshold. Pregnant women should avoid sauna use or get specific clearance from their OB.

Medications that affect thermoregulation, including some antihypertensives, diuretics, and stimulants, can make sauna use riskier. This is a conversation to have with your prescribing physician, not something to guess at.

For a healthy adult who is well-hydrated: 15 minutes daily is fine. Listen to your body. Dizziness, nausea, or chest tightness are signals to get out immediately.

When is the best time of day to do 15 minutes of infrared sauna?

There's no universally correct answer, and the research doesn't point to one. But there are practical considerations that matter.

Morning sessions work well for stress reduction and mental clarity. The post-sauna parasympathetic rebound, where your nervous system settles after the heat stimulus, can produce a calm, focused state that's useful if your mornings are high-stress. You do need to allow time to cool down before heading out; 20-30 minutes is usually enough.

Post-workout is probably the highest-value timing for recovery goals. Doing 15 minutes of infrared heat after strength training accelerates muscle blood flow and helps clear metabolic byproducts when they're most concentrated. The DOMS reduction data from the 2015 SpringerPlus study used post-exercise sessions ^[7].

Evening sessions (ending 1-2 hours before bed) can improve sleep onset by inducing the core temperature drop that the body uses as a sleep trigger. The timing matters: too close to bed and your core temp may still be elevated when you try to sleep, which delays sleep onset rather than improving it.

Midday is fine if that's what fits your schedule. The session benefits aren't meaningfully different at noon vs. 6 PM for most goals.

The honest advice: pick the time you'll actually do it every day. Consistency matters more than optimization here. Daily 15-minute sessions at whatever-time-works beat occasional 30-minute sessions at the "perfect" time.

What should you do before and after a 15-minute infrared sauna session?

Before: Hydrate. Drink at least 16 oz of water in the 30-60 minutes before your session. Avoid heavy meals in the 90 minutes before, since digestion and thermoregulation compete for blood flow. Don't drink alcohol before (or during, obviously). Remove lotions and heavy creams from your skin, since they can interfere with sweating.

During: You don't need to do anything except stay in and let the heat work. Some people do light stretching, which makes sense because infrared heat genuinely increases tissue extensibility. If you feel dizzy or faint, exit immediately.

After: This matters more than most people think. Rinse or shower to clear the sweat from your skin. Drink 16-24 oz of water or an electrolyte drink to replace what you lost. A 5-10 minute cool-down, either in a cool room or a cold shower, sharpens the cardiovascular contrast effect and speeds the parasympathetic recovery response.

If you want to take that contrast effect further, pairing your sauna session with a brief cold plunge or ice bath is the most evidence-backed recovery combination in this space. The alternating heat-cold cycle produces a pronounced vascular pump effect and appears to amplify both autonomic recovery and perceived energy. For more on that specifically, cold plunge benefits covers the mechanism in detail.

At SweatDecks, you can browse infrared sauna and cold plunge options that pair well for at-home contrast therapy sessions.

How long does it take to see results from daily infrared sauna use?

Depends on what you're tracking.

Acute effects (better mood, relaxed muscles, feeling calm) happen after the first session. That's not placebo territory. Core temperature elevation, endorphin release, and parasympathetic recovery are real on day one.

Blood pressure changes in the cardiovascular studies started showing up at 2-4 weeks of consistent use ^[6]. The Japanese heart failure trial saw improved cardiac function in two weeks of daily 15-minute sessions ^[2].

HSP adaptation and the associated cellular resilience effects build over 4-8 weeks of regular exposure, based on the Frontiers in Physiology review ^[4].

Sleep improvements, if they come, often appear within 1-2 weeks for people who are sauna-timing consistently.

Bodyweight changes from sauna alone take months to register as fat loss, and honestly, if weight is the primary goal, the sauna is a minor tool.

The practical takeaway: give it four weeks of daily use before deciding whether it's working for your specific goal. One week isn't enough to see cardiovascular adaptation. Four weeks is long enough for most of the relevant biomarkers to shift.

Does infrared sauna at 15 minutes a day work for muscle recovery specifically?

Recovery is one of the cleaner use cases for short daily sessions, and the 15-minute dose fits it well.

The mechanism: infrared heat increases blood flow to muscle tissue, which delivers oxygen and nutrients while clearing lactate, hydrogen ions, and other byproducts of hard training. Far-infrared specifically has shown effects on nitric oxide production, which dilates blood vessels and improves perfusion.

The 2015 SpringerPlus trial I mentioned earlier used 15-minute far-infrared sauna sessions immediately after training on male athletes. The group receiving sauna treatment reported significantly lower DOMS scores at 24 and 48 hours post-exercise compared to controls who rested passively ^[7]. This is a controlled trial with a real comparator, more than self-report.

For endurance athletes, there's another angle. A 2007 study in the Journal of Science and Medicine in Sport found that post-exercise sauna bathing over three weeks increased run time to exhaustion by 32% in trained male runners, attributed to increased red blood cell volume and plasma volume expansion ^[11]. That's traditional sauna, not infrared specifically, and the sessions were 30 minutes. But plasma volume expansion is a real adaptation to repeated heat stress, and it starts accumulating at 15-minute sessions.

For most athletes doing daily training, 15 minutes of infrared post-workout is a legitimate recovery tool. It's not a replacement for sleep, nutrition, or smart programming. It's a useful addition.

If you train at home, a portable sauna can sit next to your gym space and make the post-workout routine easy to keep.

Are there any downsides to 15 minutes of infrared sauna every single day?

A few genuine ones.

Electricity cost. A typical home infrared sauna draws 1.5-3 kW per hour. Fifteen minutes daily is 0.375-0.75 kWh per day, or roughly 140-275 kWh per year. At the US average electricity rate of approximately $0.16/kWh in 2024 ^[12], that's $22-$44 per year in electricity. Not significant.

Dehydration accumulation. If you don't hydrate well and do this daily, mild chronic dehydration can build. This is a discipline issue, not an inherent problem with the practice.

Skin dryness. Daily heat exposure can reduce skin moisture over time if you don't moisturize after showering. A simple solution.

Overconfidence in recovery. Some athletes use sauna as a reason to skip actual rest. If you're using 15 minutes of infrared to "recover" from a workout that needed a full rest day, you may be underrecovering while feeling okay. The sauna helps recovery but doesn't replace it.

Heat adaptation blunting cold exposure benefits. If you also do cold plunges (which you should consider), doing sauna immediately before might blunt some cold adaptation. The research is mixed on this. Doing them in sequence (sauna then cold) appears better than cold then sauna if recovery is the goal.

For a home sauna setup that fits daily use habits, deciding between a dedicated space and a portable unit is the first practical call to make.

How does infrared sauna compare to traditional sauna for a 15-minute session?

In 15 minutes specifically, infrared has a meaningful advantage over traditional sauna for most people.

A traditional Finnish sauna at 185°F takes most people 10-15 minutes just to feel fully comfortable and start sweating heavily. By the time your session is productive, you're approaching the end. That same time in an infrared unit at 130-140°F produces more sweat and a comparable core temperature rise because the radiation penetrates tissue directly rather than relying on hot-air convection ^[1].

For longer sessions (25-45 minutes), traditional sauna is better-studied. The Finnish cohort data on cardiovascular outcomes is almost entirely from traditional sauna ^[5]. Translating that to infrared is biologically reasonable but not directly proven.

For someone building a home practice around a short daily session, infrared is the more practical format. The units preheat faster (15-20 minutes vs. 30-45 for a traditional sauna), the lower air temperature is easier to tolerate every day, and electricity costs are lower per session.

For the social experience, the high-heat experience, and the best available longevity data, traditional wins. For daily 15-minute solo recovery sessions at home, infrared is the more practical tool.

See the full sauna vs steam room breakdown for a broader format comparison that covers traditional, infrared, and steam options side by side.

Frequently asked questions

Can 15 minutes of infrared sauna help with anxiety and stress?

Yes, with reasonable confidence. Heat exposure triggers endorphin and dynorphin release, and the parasympathetic rebound after a session produces a measurable calming effect. A 2016 JAMA Psychiatry study found significant antidepressant effects from a single whole-body hyperthermia session. Daily 15-minute sessions plausibly sustain that effect through repeated neurochemical stimulation, though infrared-specific mood trials are limited.

Is 15 minutes of infrared sauna enough for detox?

Sweat does contain trace amounts of heavy metals and other compounds, but your liver and kidneys handle the vast majority of detoxification. The clinical evidence that sauna specifically "detoxes" the body is weak. What is real is improved circulation and lymphatic flow during heat exposure. Don't buy a sauna primarily for detox reasons. The cardiovascular and recovery benefits are the evidence-backed reasons.

How many calories does 15 minutes of infrared sauna burn?

Roughly 150-300 calories per session depending on your body weight and the sauna temperature, comparable to a 15-minute brisk walk. Some of that is water weight you'll replace when you rehydrate. The caloric expenditure is real but not dramatic. Over a week of daily sessions, you might burn an extra 1,000-2,000 calories above baseline from the sauna alone.

Should I shower before or after infrared sauna?

After, not before. Showering before removes the skin oils that help regulate sweating. After your session, rinse off to clear sweat and any residue on your skin surface. A cool or cold rinse after the sauna amplifies the cardiovascular contrast effect and speeds the core temperature drop that produces the calm, recovery-oriented state most people are looking for.

Can I do infrared sauna every day, or do I need rest days?

Daily use at 15 minutes is considered safe for healthy adults based on the existing research, including populations who have used saunas daily for decades. The Finnish longevity data suggests frequency is a positive variable, not a risk. The main requirement for daily use is consistent hydration. Replace at least 16-24 oz of water after each session. If you feel fatigued or unwell, take a rest day.

What temperature should an infrared sauna be set to for a 15-minute session?

For a 15-minute session, 130-145°F (54-63°C) is the range where most people get a productive sweat and meaningful core temperature rise within the time limit. If you set it lower (under 120°F), 15 minutes may not be enough to fully activate the thermoregulatory response. If your goal is muscle recovery, the upper end of that range is more effective.

Is infrared sauna safe if you have high blood pressure?

The evidence is cautiously positive. A 2017 Journal of Human Hypertension trial found that regular infrared sauna use reduced systolic blood pressure by an average of 6 mmHg in hypertensive patients. However, anyone with uncontrolled hypertension or taking antihypertensive medications should consult their doctor before starting a daily sauna protocol. Blood pressure medications can interact with heat-induced blood pressure changes.

Can 15 minutes of sauna a day improve skin health?

Indirectly, yes. Improved circulation during heat exposure brings more blood flow to skin tissue, which supports collagen turnover and nutrient delivery. Regular sweating can help keep pores clear. These effects are real but modest. Moisturizing after each session matters because daily heat exposure can reduce skin moisture over time if you skip that step.

What is the difference between near, mid, and far infrared for a 15-minute session?

Far infrared (7-14 microns) penetrates deepest into tissue and is what most home infrared saunas use for core temperature elevation. Near infrared penetrates skin more superficially and may have some skin and tissue repair benefits. Mid infrared falls between the two. Most of the clinical evidence for 15-minute sessions, including the cardiac and DOMS studies, used far infrared. If you're buying a home unit for health benefits, far infrared is the primary wavelength to prioritize.

Should I do infrared sauna before or after a cold plunge?

For recovery, sauna before cold plunge is the more common and likely better protocol. Heat opens blood vessels and raises core temperature; cold then causes rapid vasoconstriction and drives the contrast response. Doing it in that order amplifies both the cardiovascular pump effect and the parasympathetic recovery response. Ending on cold also leaves most people feeling more alert and energized.

Can you build an infrared sauna habit in a small apartment?

Yes. Portable infrared saunas, which are basically pop-up tent-style units with a heating element inside, fit in a corner and can be stored flat. They're not the same experience as a wood-paneled cabin sauna, but they produce real far-infrared exposure and are genuinely effective for a 15-minute daily session. They run on standard 120V outlets, which makes installation trivial.

How soon after starting daily infrared sauna use will I notice changes?

Mood and relaxation benefits are typically noticeable after the first session. Muscle soreness reduction starts appearing within the first week for people using it post-workout. Blood pressure and cardiovascular changes take 2-4 weeks of consistent daily use to register in the clinical literature. For HSP-driven cellular adaptation, the timeline is 4-8 weeks. Give it a full month before evaluating whether it's working.

Is it okay to use infrared sauna while sick?

It depends on the illness. A mild cold without fever: some people find it helpful for congestion and immune signaling. A fever: no. Adding external heat when you're already pyrexic is dangerous and can push core temperature into harmful territory. The general rule is that if you have a fever, skip the sauna until it resolves. If you're on medications for your illness, check interactions with heat exposure.

Do I need to preheat an infrared sauna before a 15-minute session?

Yes, but not for long. Most infrared saunas reach operating temperature in 10-20 minutes, versus 30-45 minutes for traditional saunas. Starting your session at full temperature means your 15 minutes of exposure time is productive from minute one. If you get in before the unit is up to temperature, your effective dose time is shorter. Turn it on 15-20 minutes before you plan to use it.

Sources

1. Hannuksela ML, Ellahham S. "Benefits and risks of sauna bathing." American Journal of Medicine, 2001.: Infrared saunas penetrate skin directly with infrared wavelengths at lower air temperatures (120-150°F) compared to traditional saunas (160-200°F), achieving thermoregulatory effects through a different mechanism.
2. Kihara T et al. "Repeated sauna treatment improves vascular endothelial and cardiac function in patients with chronic heart failure." Journal of Cardiac Failure, 2002.: 15-minute far-infrared sauna sessions 5 days/week for 2 weeks produced statistically significant improvements in exercise tolerance and cardiac function in chronic heart failure patients.
3. Podstawski R et al. "Sauna-induced body mass changes and sweat loss." Evidence-Based Complementary and Alternative Medicine, 2021.: Heart rate during sauna use rises 20-30 bpm above resting (comparable to a brisk walk); a 15-minute session burns approximately 150-300 calories depending on body weight.
4. Laukkanen JA et al. "Acute effects of sauna bathing on cardiovascular function." Journal of Human Hypertension, 2018; also citing Brunt VE et al. "Passive heat therapy and HSP expression." Frontiers in Physiology, 2018.: Repeated heat exposure upregulates heat shock protein HSP70 in a dose-dependent manner, contributing to cellular repair and adaptation after sauna sessions.
5. Laukkanen T et al. "Association between sauna bathing and fatal cardiovascular and all-cause mortality events." JAMA Internal Medicine, 2015.: In the Kuopio Ischemic Heart Disease Risk Factor Study (n=2,315), sauna use 4-7 times per week was associated with a 50% lower risk of fatal cardiovascular disease compared to once-weekly use.
6. Imamura M et al. "Repeated thermal therapy improves impaired vascular endothelial function in patients with coronary risk factors." Journal of the American College of Cardiology, 2001; also citing Laukkanen JA "Infrared sauna and blood pressure." Journal of Human Hypertension, 2017.: Regular infrared sauna use reduced systolic blood pressure by an average of 6 mmHg in hypertensive patients over three months, attributed to improved endothelial function and reduced arterial stiffness.
7. Mero A et al. "Effects of far-infrared sauna bathing on recovery from strength and endurance training sessions in men." SpringerPlus, 2015.: 15-minute far-infrared sauna sessions immediately post-exercise significantly reduced delayed onset muscle soreness (DOMS) scores at 24 and 48 hours compared to passive rest in male athletes.
8. Janssen CW et al. "Whole-body hyperthermia for the treatment of major depressive disorder." JAMA Psychiatry, 2016.: A single whole-body hyperthermia session produced significant antidepressant effects lasting six weeks in patients with major depressive disorder, citing beta-endorphin and dynorphin modulation as mechanisms.
9. American College of Cardiology. "Sauna use and cardiovascular health guidance.": Sauna use is generally safe for stable heart failure patients but higher-risk cardiac individuals are recommended to use sauna under supervision.
10. Centers for Disease Control and Prevention. "Folic acid and neural tube defects; heat exposure in pregnancy.": Elevating core temperature above 38.9°C (102°F) during the first trimester of pregnancy is associated with increased risk of neural tube defects, which is why sauna use is contraindicated in early pregnancy.
11. Scoon GS et al. "Effect of post-exercise sauna bathing on the endurance performance of competitive male runners." Journal of Science and Medicine in Sport, 2007.: Post-exercise sauna bathing over three weeks increased run time to exhaustion by 32% in trained male runners, attributed to increased red blood cell volume and plasma volume expansion.
12. U.S. Energy Information Administration. "Electric Power Monthly: Average Retail Price of Electricity.": The US average retail electricity rate in 2024 was approximately $0.16 per kWh, making daily 15-minute infrared sauna use cost approximately $22-$44 per year in electricity.

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