6 Best Alternatives to the i THERAU iTHERAU 2 Person Infrared Steam Sauna (2026)

How each alternative compares

SOARFLY 2-Person Infrared Sauna Box

The SOARFLY model offers a larger interior footprint at 50 by 38 by 75 inches, compared to the i THERAU’s 49 by 32 by 75 inches. This extra width provides more shoulder room for two users. It shares the dual steam and infrared red light therapy features. You get a folding chair included, just like the original. The main difference is the slightly wider box design. If you need more lateral space for side-by-side seating, this alternative fits better. It maintains the same portable tent construction and steam functionality. The charcoal black color matches the original aesthetic. It is a solid choice if you prioritize interior width over the original’s specific dimensions.

SereneLife Portable Infrared Steam Sauna

The SereneLife unit is significantly smaller, measuring 27.6 by 31.5 by 37.8 inches. It is designed for a single seated user rather than two standing or sitting adults. It includes a heated foot pad, which the i THERAU lacks. This model sacrifices capacity for portability and targeted comfort. You get steam and infrared heat in a compact frame. The folding chair is included for seated use. This alternative is best if you have limited floor space or only need one person’s wellness session. It gives up the shared experience and full-body steam coverage. It is ideal for small apartments or users who prefer seated relaxation over standing steam therapy.

OCLLVE 3L 1400W Portable Steam Sauna Box

The OCLLVE sauna is built for solo use, with dimensions of 36 by 36 by 71 inches. It features a 1400W heater and a 3L steam capacity. The i THERAU uses dual 1200W steamers for two people. This model concentrates power on one user. It includes red light therapy and portable design. The interior is narrower, making it unsuitable for two adults. You get quick heating and efficient steam generation for individual sessions. This alternative is best if you do not need shared space. It gives up the dual-person capacity and wider interior. It is a practical choice for singles who want steam and light therapy in a smaller indoor footprint.

Manastin Portable Steam Infrared Sauna with Red Light

The Manastin sauna measures 31.5 by 31.5 by 70.9 inches. It is designed for one user, similar to the OCLLVE. It offers 15 power levels and a long timer for customizable sessions. The i THERAU is built for two people with a wider 49-inch length. This model includes red light therapy and steam heating. It is portable and foldable. You get flexible control over heat intensity. This alternative is best if you want precise power adjustments rather than dual steamers. It gives up the shared capacity and larger interior. It is suitable for users who prioritize customizable heat levels and compact portability over space for a partner.

Viconor Portable Infrared Steam Sauna Tent

The Viconor sauna is a tent-style option with a 3L steam capacity. It includes red light therapy and a folding chair. The dimensions are not fully specified, but it is designed for portable home use. The i THERAU has a 71 by 49 by 36-inch interior. This alternative focuses on remote convenience and portability. It shares the steam and infrared heating types. You get a foldable design for easy storage. This model is best for renters or those with limited space. It gives up the specific large interior dimensions of the i THERAU. It is a practical choice if you value easy setup and red light therapy over maximum interior width.

iTHERAU 2-Person Infrared Sauna Box

The second i THERAU model measures 49 by 36 by 71 inches. It is very similar to the original but has a 36-inch width instead of 32 inches. It offers dual steam and red light therapy. The heating type is listed as infrared, with steam features. This model provides slightly more width for two users. It includes red light panels and steam functionality. The dimensions are nearly identical to the original, with a slight increase in width. This alternative is best if you want the same brand experience with a bit more lateral space. It gives up no major features. It is a direct competitor with a minor size adjustment for improved comfort.

Quick picks

Our 7 picks

1 Best overall

iTHERAU 2 Person Infrared Steam Sauna Box

Best for: shared infrared steam therapy with red light

Heating Type

Infrared steam

Person Capacity

2 Person

Heater Power

Dual 1200W

Control Type

Remote

Features

Red light therapy, 2 folding chairs

Dimensions

71" x 49" x 36"

View on Amazon: iTHERAU 2 Person Infrared Steam Sauna Box Affiliate link

The i THERAU 2 Person Infrared Steam Sauna Box offers 71 x 49 x 36 inches of space for two adults. It uses dual 1200W steamers and 660nm + 850nm red light therapy. The 3L water capacity supports rapid steam distribution. You control the session with a remote. The 5-layer insulation retains heat efficiently. This model suits users who want shared infrared steam relaxation at home.

Pros

• Dual 1200W steamers for rapid 360° steam distribution
• 660nm + 850nm red light therapy for muscle recovery
• Spacious 71 x 49 x 36 inch interior for two people
• 5-layer insulation with waterproof cotton to lock in heat
• Remote control for easy temperature and timer adjustments

Cons

• No smartphone app connectivity for remote monitoring
• Manual water filling required for the 3L steamer
• Fabric construction limits long-term structural rigidity compared to hard-shell units

Good fit if

• You want a shared sauna experience for two adults
• You prefer infrared steam therapy with red light benefits
• You need a portable unit with quick assembly

Skip if

• You require hard-shell construction for maximum durability
• You want app-based control and smart home integration
• You need a single-person compact unit for tight spaces

Verdict: i THERAU 2 Person Infrared Steam Sauna delivers shared infrared steam therapy with red light benefits. It fits couples or friends who want a spacious, portable wellness retreat.

2 Best premium

SOARFLY 2-Person Infrared Sauna Box

Best for: couples seeking shared steam sessions

Heating Type

Steam, infrared red light panel

Person Capacity

2

Max Temperature

130°F

Control Type

Remote control

Dimensions

75" x 50" x 38"

Design

Portable

View on Amazon: SOARFLY 2-Person Infrared Sauna Box Affiliate link

The SOARFLY sauna box measures 75 by 50 by 38 inches. It holds two people comfortably. It uses dual steam generators and a red light panel. The panel includes 660nm and 850nm wavelengths. It reaches 130°F quickly. You control it with a remote. The frame is stainless steel. The fabric is five-layer satin cotton. It includes folding chairs. This setup suits couples or those wanting shared sessions.

Pros

• Dual steam generators for faster heating
• Red light therapy with 660nm and 850nm wavelengths
• Remote control for easy operation
• Spacious 75x50x38 inch interior
• Includes folding chairs

Cons

• Requires two independent electrical sockets
• No mention of a built-in display
• Fabric requires manual cleaning

Good fit if

• You want a sauna for two people
• You prefer red light therapy benefits
• You need a portable indoor option

Skip if

• You only have one electrical outlet available
• You prefer a single-person compact unit
• You want a permanent wooden structure

Verdict: SOARFLY 2-Person Infrared Steam Sauna offers dual steam and red light therapy for two users. It fits couples seeking shared relaxation in a portable frame.

3 Best heated foot pad

SereneLife Portable Infrared Steam Sauna

Best for: small spaces and seated foot heating

Heating Type

Infrared, 3 carbon fiber panels

Placement

Indoor

Max Temperature

140°F

Control Type

Remote

Features

Foldable chair, foot pad heating mat

Dimensions

38" x 32"

View on Amazon: SereneLife Portable Infrared Steam Sauna Affiliate link

This SereneLife unit is a compact, foldable infrared sauna box designed for indoor use. It features three carbon fiber heating panels that reach a maximum temperature of 140°F. The interior includes a folding chair and a heated foot pad for added comfort. With dimensions of 38 by 32 inches, it fits into smaller spaces. You can control the session using the included remote. It is suitable for quick relaxation sessions at home.

Pros

• Includes a heated foot pad for targeted warmth
• Reaches a maximum temperature of 140°F
• Features three carbon fiber infrared heating panels
• Comes with a folding chair for seated use
• Operates via a convenient remote control

Cons

• Smaller interior footprint than standard 2-person saunas
• Limited to infrared and steam heating only
• No built-in digital display mentioned in specs

Good fit if

• You have limited floor space in your home
• You want a seated sauna experience with foot heating
• You prefer portable units that fold for storage

Skip if

• You need a standing sauna for taller users
• You require smart app connectivity or Bluetooth
• You prefer multiple color options beyond black or wood

Verdict: SereneLife 38-Inch Portable Infrared Sauna offers a compact, heated foot pad solution for small spaces. It suits users who prioritize portability and seated relaxation over large capacity.

4 Also great

OCLLVE 3L 1400W Portable Steam Sauna Box

Best for: Solo steam and light therapy sessions

Heating Type

Steam, Infrared

Placement

Indoor

Heater Power

1400W

Control Type

Remote control

Features

Red & blue lights, folding chair

Dimensions

71" x 34" x 20"

View on Amazon: OCLLVE 3L 1400W Portable Steam Sauna Box Affiliate link

This OCLLVE sauna box uses a 1400W steam generator and red and blue light therapy. It features a 3L water tank and 5-layer insulated fabric to retain heat. The 71 x 34 x 20 inch pentagonal design fits one person comfortably. You get 15 heat levels and a 60-minute timer via remote control. It is a practical indoor option for personal relaxation and skin care routines.

Pros

• 1400W steam generator heats up in 10–15 minutes
• Includes 660nm red and 480nm blue light therapy
• 15 adjustable heat levels and 0–60 minute timer
• 5-layer insulated 600D Oxford fabric retains heat
• Includes remote control for easy operation

Cons

• Limited to one person capacity
• Smaller interior footprint than standard two-person saunas
• No smart app or Bluetooth connectivity listed

Good fit if

• You want a compact unit for tight indoor spaces
• You prefer steam and light therapy over dry heat
• You need easy setup with a remote control

Skip if

• You need space for two people
• You require a permanent outdoor installation
• You prefer traditional dry infrared heating only

Verdict: OCLLVE 1400W Portable Steam Sauna offers a compact, steam-focused experience for solo users. It suits those who want quick heating and light therapy in a small indoor footprint.

5 Also great

Manastin Portable Steam Infrared Sauna with Red Light

Best for: portable steam and infrared relaxation

Heating Type

Steam, infrared

Placement

Indoor

Max Temperature

130°F

Control Type

15 power levels, 99-minute timer

Features

Red light, 3L steam boiler, chair

Dimensions

2.6' x 2.6' x 5.9'

View on Amazon: Manastin Portable Steam Infrared Sauna with Red Light Affiliate link

The Manastin MSSNA1203RL is a 2-person indoor sauna tent combining steam and infrared heat. It reaches 130°F in 5 minutes using a 3L boiler. You get 15 power levels and a 99-minute timer for long sessions. The 2.6x2.6x5.9 ft interior fits most users. It folds flat for storage. This unit suits those wanting spa-like heat in a portable, budget-friendly design.

Pros

• Reaches 130°F in 5 minutes
• 15 adjustable power levels
• 99-minute timer for extended sessions
• Includes red light therapy

Cons

• Smaller footprint than 2-person box saunas
• Manual control interface only
• Requires folding for storage

Good fit if

• You need a portable sauna for small spaces
• You want extended 99-minute session timers
• You prefer steam and infrared heat combined

Skip if

• You need a permanent built-in unit
• You require smart app connectivity
• You prefer traditional wood construction

Verdict: Manastin Portable Steam Infrared Sauna offers flexible heating with 15 power levels and a long timer. It fits users who want portable, dual-heat relaxation without permanent installation.

6 Best budget

Viconor Portable Infrared Steam Sauna Tent

Best for: portable home use with red light therapy

Heating Type

Infrared & Steam

Heater Power

1200W

Max Temperature

9 levels

Control Type

Remote control

Dimensions

33"×33"×71"

Design

Tent

View on Amazon: Viconor Portable Infrared Steam Sauna Tent Affiliate link

This Viconor sauna tent combines infrared and steam heating in a portable, foldable design. It features a 1200W steam generator with a 3L water capacity and red light therapy. You control the session via a remote with nine temperature levels and a 95-minute timer. The 33 by 33 by 71 inch interior includes a folding chair and stainless steel frame. It suits those needing a compact, tool-free setup for home use.

Pros

• Combines infrared and steam heating types
• Includes red light therapy with 660nm and 850nm wavelengths
• Remote control offers 9 temperature settings and 95-minute timer
• Foldable tent design requires no tools for assembly
• Includes a folding chair and stainless steel frame

Cons

• Lower 1200W heater power compared to competitors
• Smaller 3L water capacity limits session duration
• Tent structure offers less stability than rigid boxes

Good fit if

• You need a portable sauna that fits in small spaces
• You want red light therapy alongside steam and infrared heat
• You prefer a tool-free setup with a remote control

Skip if

• You require a rigid, permanent sauna structure
• You need a larger water tank for longer sessions
• You prefer higher wattage for faster heating

Verdict: Viconor 2-Person Infrared Steam Sauna Tent is a practical option for renters or those with limited space who want red light therapy and steam. It fits users who prioritize portability and remote convenience over raw heating power.

7 Also great

iTHERAU 2-Person Infrared Sauna Box

Best for: Dual steam and red light therapy sessions

Heating Type

Steam, red light

Person Capacity

2

Heater Power

1200W

Control Type

2 smart remote controls

Dimensions

71" x 49" x 36"

Features

Red Light Therapy

View on Amazon: iTHERAU 2-Person Infrared Sauna Box Affiliate link

This iTHERAU sauna combines 1200W steam generation with red light therapy. It features dual 1200W steamers and a 3L water tank for fast heating. The 71" x 49" x 36" interior fits two people. You get two smart remotes for control. The five-layer insulation retains heat well. It suits those wanting steam and light therapy together.

Pros

• Dual 1200W steamers with 3L capacity
• 160pcs 660nm and 320pcs 850nm red light panels
• Two smart remote controls included
• 5-layer heat insulation material
• Detachable frame for tool-free assembly

Cons

• Requires manual water refilling for steam
• No mobile app connectivity listed
• Red light therapy is an add-on, not pure infrared

Good fit if

• You want steam and red light therapy in one unit
• You need a spacious interior for two people
• You prefer remote control operation over manual dials

Skip if

• You strictly want pure infrared heat without steam
• You need automatic water filling systems
• You require smartphone app integration for control

Verdict: iTHERAU 2-Person Red Light Steam Sauna offers a dual-therapy approach with strong steam output and red light panels. It fits buyers who want a versatile home spa experience with ample space for two users.

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Frequently asked questions

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