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Smartmak SMT-RELAX2 2-Person Infrared Sauna Infrared Sauna
Smartmak

Smartmak SMT-RELAX2 2-Person Infrared Sauna

Capacity 2 Person
Material Canadian Hemlock
Heater Power 3.40 kW
Voltage 220V
Retail Price Estimate $3,751
Check Current Price on Amazon
Verdict The Bottom Line

This indoor unit features built-in ergonomic lounge chairs and a full-spectrum heating setup, making it ideal for comfortable reclined sessions. It requires a dedicated 220V electrical connection, so be sure to check your home's wiring before purchasing.

SaunaGrade Buyer's Analysis

The Smartmak SMT-RELAX2 is constructed from imported Canadian Hemlock, offering a durable and stable build for indoor placement. Measuring roughly six by six feet, it provides a spacious footprint for an indoor wooden cabinet sauna. Heating is delivered via a combination of 5 carbon heating panels and 5 full-spectrum red light tubes, running on a 220V power supply at 3.4 kW to reach temperatures up to 149 degrees Fahrenheit.

Assembly utilizes a straightforward external buckle design, simplifying putting the panels together compared to traditional permanent framing. Inside, the inclusion of two ergonomic lounge chairs and an integrated table sets this model apart from standard bench-style saunas, allowing users to recline fully rather than sit upright. Additional conveniences include built-in Bluetooth speakers, a smart control panel, and tourmaline stones at the base.

Practical considerations include the need for proper 220V electrical setup and the sizable overall weight of a two-person wooden cabin. It is best suited for users prioritizing a reclined lounging position and red light therapy over traditional high-heat steam setups.

Key Features & Highlights

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Constructed from imported Canadian Hemlock wood

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Equipped with 5 carbon heating panels and 5 full-spectrum red light tubes

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Total power draw of 3.4 kW operating on a 220V electrical supply

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Includes two ergonomic lounge chairs with an integrated table

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Features built-in Bluetooth speakers and smart control panel

+ Pros

  • • Ergonomic lounge chairs provide superior comfort compared to flat wooden benches
  • • Combines far-infrared carbon panels with full-spectrum red light therapy tubes
  • • External buckle design makes panel assembly relatively straightforward

− Cons

  • • Requires a dedicated 220V electrical setup
  • • Takes up a larger floor footprint than standard 2-person upright vertical models

Complete Technical Specifications

Model / SKU B0BX9WX6HM
Manufacturer Smartmak
Sauna Type Infrared
Seating Capacity 2 Person
Wood Material Canadian Hemlock
Heater Power 3.40 kW
Voltage 220V
Power Source Electric
Dimensions 70.87"L x 70.87"W x 74.8"H
Weight Null
Heater Included Yes
Front Porch No
Panoramic Window No
Roof Cover Included No
Sauna Stones Included Yes
LED Lighting Yes

Operating Cost Calculator

Estimate electricity consumption and operating costs based on your local utility rates and usage habits.

3.4 kW
$0.16 / kWh

US national average is ~$0.16/kWh

Estimated Electricity Cost

Per Session (with Preheat) $0.00
Monthly Estimate $0.00
Annual Operating Total $0.00

Running this sauna 3×/week consumes ~0 kWh per month.

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