Sunlighten mPulse Discover 4-Person Infrared Sauna

Infrared

Where to buy

Sunlighten prices by quote.

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Specifications verified October 9, 2026. How these numbers are checked.

Footprint: 70.6 x 70.6 x 79 in
Placement: Indoor
Plug-in or 240 V: 240 V: plugs into a 240 V outlet on a dedicated circuit.
Circuit: 240V / 20A (NEMA 6-20P), as the maker publishes it.The maker publishes a 20 amp circuit. Sized from the 4.5 kW heater by the 125 percent continuous load rule, the minimum is 25 amps on 10 AWG copper. NEC 422 gives the rating marked on a listed appliance authority over that calculation, so both figures can be right; your electrician decides which applies to your run.Check it on the calculator.

Running cost: About $0.82 per one-hour session: a 4.5 kW heater at the US average residential rate of 18.31 cents per kWh (EIA, July 2026).

Full specifications: capacity, heater power, warranty and 1 more, each with its source

Specifications read from the maker's product page on October 9, 2026: sunlighten.com. A row with its own source link was read from the page it links.

Source links to Sunlighten are affiliate links that support this site; see the affiliate disclosure.

How it measures against similar models: 1 high

Warranty of 7 yr is higher than 80 percent of the 271 models that list one (median: 5 yr).

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This model is listed in these categories:

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