Sunlighten Review: Infrared Sauna Systems, Technology, and Wellness Features

Sunlighten is a wellness brand centered on infrared sauna systems, with additional products for red light therapy and at-home wellness. Its offerings are positioned around relaxation, recovery, and broader wellness goals.

The brand’s products are associated with areas such as muscle recovery, cardiovascular function, sleep, and relaxation, while some of its offerings extend into longevity and vitality.

In this review, we examine the brand’s sauna range, infrared technology, construction standards, customization options, and product approach. We also consider the features that distinguish its systems within the home infrared sauna market.

About Sunlighten

Co-founded by Connie and Aaron Zack, Sunlighten offers infrared sauna systems alongside red light therapy devices, infrared linens, and related accessories. Its sauna range includes the mPulse, Amplify, Signature, and Solo collections, with custom configurations available for residential and commercial spaces. Its catalog also includes red light therapy masks and panels, Luminir handheld devices, and other sauna accessories.

The brand’s heating systems use its patented SoloCarbon heater coating, which features a ceramic-based surface incorporating copper chromium to create a highly emissive infrared heating surface.

Top Offerings

1. Infrared Saunas

   Infrared Saunas are available in different formats that differ mainly in infrared wavelengths, heat intensity, controls, capacity, and portability.

   As per its official website, the mPulse® saunas use the PulseIQ™ platform to control red light, near infrared, mid infrared, and far infrared separately. It supports selectable programs for areas like heart health, muscle recovery, relaxation, weight management, and anti-aging. The Amplify® Full Spectrum saunas focus on higher heat and full-spectrum infrared technology by combining near, mid, and far infrared with enhanced heaters, thick insulation, and double-pane glass. The brand lists temperatures up to 170°F under ideal conditions, with models intended for two to four people.

   Signature® saunas provide a simpler cabin format based on far infrared heat. It features the brand’s SoloCarbon® heating technology, with 120V electrical requirements listed for the collection. These models also include features like chromotherapy and a sound system, while the construction uses solid wood and low EMF materials.

   Beyond these, the brand also offers the Solo® System Portable saunas, which use a sliding double dome design with zone-based heating and a separate SoloPad®.  It contains nine SoloCarbon heaters, with five in the domes and four in the SoloPad, allowing infrared exposure from above and below the body.

2. Red Light Therapy

   Red Light Therapy collection features a RED Light Therapy Panel, Mini Panel, RED Light Therapy Mask, and related light therapy accessories.

   As per its official website, the RED Light Therapy Panel is made for larger area exposure and uses 200 LEDs, with 100 red and 100 near-infrared LEDs.

   The panel also connects to an app that offers more than 20 guided programs covering areas such as skin care, muscle recovery, inflammation, sleep, and energy.

   Mini Panel uses the same 660 nm red and 850 nm near-infrared wavelength combination in a smaller format, with 72 LEDs divided between 36 red and 36 near-infrared LEDs.

   The brand’s Red Light Therapy Mask is focused on facial exposure and uses 416 LEDs across five wavelengths, including 630 nm red, 880 nm near-infrared, 415 nm blue, 590 nm yellow, and 520 nm green. Its five preset modes combine these wavelengths for different applications to support skin appearance, minimize redness, and suppress acne buildup.

   Devices from the brand emit red and near-infrared light that reach cells and are absorbed by cellular components such as mitochondria, potentially influencing ATP production and cellular signaling. Such mechanisms may support processes linked to tissue repair, regulation of inflammation, blood circulation, skin function, and muscle recovery.

3. lumiNIR® Products

   lumiNIR® range consists of handheld low-level light therapy devices intended for targeted light exposure to the skin and underlying tissues. The range currently includes the lumiNIR® 4 in 1 and lumiNIR + WAND, with extra attachment add-ons.

   lumiNIR® 4 in 1 combines one handheld wand with four LED options, including near-infrared light, red light, a near-infrared and red light combination, and blue light. According to its official website, each attachment contains 51 LED bulbs, with the different light types intended for different applications across skin and tissue.

   lumiNIR + WAND provides the base handheld system with one near-infrared attachment, which delivers light at 880 nm. The included wand provides four intensity levels, a USB charging cable, eye goggles with case, a travel bag, and a quick start guide. You can also get attachments separately, including lumiGLOW for red light, lumiCLEAR for blue light, and lumiSPORT for combined NIR and red light exposure.

Sunlighten Advantages

1. Longstanding Infrared Expertise

   According to its official website, Sunlighten was founded in 1999 and has spent more than 25 years developing infrared technology. The brand states that it holds 30+ global patents covering technologies related to infrared radiant panels, dynamic sauna controls, and low EMF heating elements. Such patents indicate a continued focus on developing infrared technology and refining its approach over time. The brand’s long development history and patent portfolio can give you greater confidence when assessing its infrared technology and comparing its sauna offerings with newer brands.

2. Low-Emission Materials Standards

   Sunlighten uses third-party verified low-VOC and low-EMF materials to address air quality and electromagnetic exposure during sauna sessions. As per its official website, the brand works with independent labs such as APEX Environmental Consultants to verify certified low-VOC materials, while Vitatech Electromagnetics tests and validates the electromagnetic fields produced by its heating panels.

   It gives you specific testing information to consider when evaluating the sauna’s construction. The low-VOC testing relates to emissions from heated cabin materials, while the EMF testing addresses the fields generated by the heating system.

   Independent testing gives you a clearer picture of what goes into the cabin and how the heating system performs, making it easier to choose a sauna based on air quality and EMF concerns.

Sunlighten Limitation

1. Limited Price Transparency

   Sunlighten provides inconsistent price transparency across its sauna lineup. You can view upfront prices for portable systems like the Solo series on the official website. However, the pricing for full-sized cabin models in the Signature and mPulse collections is not displayed directly on the official website. To view pricing details, you must request a quote, contact a consultant, or visit another product page.

   The gap becomes more noticeable when you compare the brand with competitors that publish prices more consistently. It requires you to spend extra time gathering prices before you can assess the differences between models, features, and costs. Since some prices appear directly while others require further contact or research, you do not get the same level of price clarity across the full sauna lineup.

Sunlighten Alternatives

1. Sun Home Saunas

   Sun Home Saunas and Sunlighten offer infrared sauna devices, but their brands differ in origin, catalog breadth, technological focus, and approach to relaxation.

   The product range clearly distinguishes the brands. Sun Home Saunas offers Far Infrared sauna models such as Solstice and Pod, full-spectrum models like Equinox and Eclipse, and the outdoor full-spectrum Luminar range. Its Pod provides a compact infrared and red light format, while Nova and Solaris extend the portfolio into standard sauna configurations. Beyond these, the brand further offers infrared blankets, red light devices, cold plunges, including the Pro and Performance series, and commercial and wholesale services.

   Sunlighten maintains a niche sauna category but has depth across infrared formats, with mPulse, Amplify, and Signature serving as its core Sauna cabin series. The Solo System, Solo Dome, and SoloPad provide portable infrared sauna formats, while its broader catalog includes RED Light Therapy panels and masks, lumiNIR products, infrared clothing, maintenance products, and sauna accessories.

   Manufacturing and quality control practices show another area of difference. Sun Home publishes specific testing information covering EMF, VOCs, adhesives, electrical components, and cabin materials. Its safety documentation identifies third-party EMF testing by Vitatech Electromagnetics, cabin air testing by VERT Environmental, and adhesive testing by Applied Technical Services. Sunlighten also states that its products undergo health and safety inspections, third-party testing, manufacturing oversight, and ETL certification. Its quality information emphasizes low EMF construction, the use of non-toxic materials, and independently tested emissivity.

   Sun Home emphasizes a broad portfolio, purpose-built outdoor infrared range, a combination of infrared and red light on selected models, published EMF and VOC testing standards, and troubleshooting guidance. Sunlighten emphasizes more on its longstanding presence in the infrared device segment, specialized infrared portfolio, PulseIQ wavelength control, SoloCarbon heating, and portable infrared sauna formats.

   Sun Home works well when you want your sauna to fit into a wider home wellness routine, with options that also cover cold therapy and recovery. Sunlighten keeps the focus more closely on infrared sauna use, giving you more depth within that specific category.

2. Health Mate Sauna

   Health Mate and Sunlighten both operate in the infrared sauna and red light therapy equipment category. However, they are organized across different technological frameworks and product structures.

   Health Mate operates as a subsidiary of the Samick Group and presents its identity around whole-body relaxation, construction quality, technological development, and long-term product use. Sunlighten highlights more than 20 years of experience in the infrared technology segment while serving both residential and business use.

   The two brands also differ in their primary heating technologies. Health Mate keeps its sauna offerings around patented Tecoloy™ heaters intended to deliver mid- and far-infrared wavelengths, with selected models adding near-infrared LED panels, Chromotherapy, and Red Light Therapy to create what the brand describes as a full-spectrum experience. Sunlighten relies on patented SoloCarbon® heating technology across its sauna range and expands its more advanced systems through the PulseIQ™ intelligent infrared platform. PulseIQ™ is made to deliver red light and near-, mid-, and far-infrared wavelengths separately.

   In terms of product range, there are further differences. Health Mate organizes its sauna range around models such as Inspire 2, Inspire 3, Enrich 2, Enrich 3, and Therapy Lounge. The brand groups these products more broadly into Smart Infrared, Classic Design, and Commercial Saunas. It also maintains a separate red light therapy category containing products such as Luma NIR Therapy.

   Sunlighten provides a diverse collection-based ecosystem, including the mPulse Intelligent Sauna, Amplify RED Light Sauna, Amplify™ Full-Spectrum Sauna, Signature® Far-Infrared Sauna, and Solo® System, alongside Custom Infrared Saunas for residential and commercial environments. Its RED Light Therapy collection also includes the RED Light Therapy Panel, Mini Panel, Mask, and lumiNIR® 4-in-1, while accessories like CELLIANT® towels and body wraps, backrests, cushions, and cleaning products further extend its lineup.

   Health Mate and Sunlighten both emphasize construction standards, safety testing, and material controls, though their stated approaches differ. Health Mate describes its heating systems as third-party tested, certified non-toxic, and low or ultra-low EMF. The brand further highlights certifications like S Mark, UL, KC, Intertek (ETL), CE, and PSE for its sauna products. Its construction uses 100% solid natural mahogany wood, described by the brand as eco-friendly, rapidly re-harvestable, anti-microbial, and non-toxic. Sunlighten highlights the use of kiln-dried solid wood, low-EMF and non-toxic materials, proprietary construction methods, and the Magne-Seal™ magnetic locking system for home assembly. Its safety framework places particular attention on third-party testing for EMF levels and indoor air quality, reporting trace VOC levels in tested saunas and no detected airborne metals, sulfur dioxide, or carbon black.

   Health Mate is more focused on a consistent Tecoloy™ heating framework, durable construction, multiple sauna cabin configurations, and straightforward at-home use, but its personalization and digital program options are limited. Sunlighten offers broader technology segmentation, a separate wavelength delivery model across its saunas, program-based controls, and a diverse range of offerings. However, its larger ecosystem is more complex and technology-focused.

   Health Mate keeps the experience more straightforward, with a consistent heating system and traditional sauna-focused setup. Sunlighten gives you more control over how infrared technology is used across the experience, but that wider range of options also makes the buying decision more involved.

How Did We Evaluate?

1. Brand Credibility

   Sunlighten has established a long operating presence in the infrared sauna market and has developed a recognizable identity around premium home and commercial sauna products. However, assessments from independent reviews and forums highlight real-world friction points regarding the brand’s business practices and long-term costs.

   On Trustpilot, the brand carries a 4.7 out of 5 rating from more than 3,900 reviews, which primarily describe helpful guidance from the support team, clear product explanations, responsive communication, and well-packaged shipments. However, a few reviews raised concerns about equipment failures, safety-related problems, referral rewards, warranty handling, and extended periods without functioning equipment.

   The brand also holds Better Business Bureau accreditation with an A+ rating. However, its profile highlights recurring concerns involving failed power supplies, heater panels, power boxes, LED lights, delayed communication, order cancellations, and limited repair support. One complaint described multiple component replacements on a newer mPulse sauna and repeated contact with customer service. Other complaints involved users being asked to arrange contractors or manage replacement parts themselves.

   We found that the brand has a well-established reputation supported by strong ratings and a volume of independent feedback. However, the main concern is the gap between favorable platform scores and recurring complaints about reliability, post-sales support, repairs, delivery issues, and warranty communication.

2. Real User Feedback

   In assessing Sunlighten, we looked at firsthand experiences shared across Reddit threads to understand how the brand’s products performed in regular home and commercial settings.

   Many users expressed positive experiences with the mPulse Sauna, including daily use for about two years without problems and around ten years of hardware reliability with only some software issues. Another user appreciated the brand for sending replacement infrared panels and providing guidance for installation. The Amplify 3 also received positive feedback for its heating performance, with the user describing it as reaching about 120°F within 20 minutes from a 60°F starting temperature and reaching 170°F about 45 minutes later.

   However, some complaints about warranty handling, defective units, and post-order support accompanied the positive experiences. One user expressed getting a defective unit that cost about $8,000 and described difficulty obtaining a workable resolution, including being expected to replace a battery and rewire panels personally, and being unable to reach someone with authority to resolve the matter. A user who needed replacement heaters after the warranty period said a technician incorrectly advised ordering five heater panels for a sauna that had only four. Another user described a sauna arriving broken, while some reviews raised concerns about the brand refusing to cover professional work needed to address a defective unit.

   The Reddit feedback gives the brand’s offerings a mixed reputation among actual owners. Product performance and long-term hardware use received favorable responses, while customer service and warranty experiences were notably inconsistent. We suggest reviewing warranty terms, replacement part coverage, and repair requirements closely before opting for the brand’s offerings.

Conclusion

Sunlighten focuses on infrared sauna technology, patented SoloCarbon heating, and more than two decades of experience in the infrared device segment. The brand also emphasizes low VOC and low-EMF construction with third-party testing standards to maintain transparency.

However, the brand does not display pricing consistently across its sauna collections, making direct cost comparisons more difficult. Independent feedback also highlights recurring concerns around defective components, shipping, warranty handling, and customer support responsiveness. It is important to follow the brand’s stated temperature range, session duration, distance, and eye protection guidance when using the devices, as greater heat or longer light exposure does not necessarily provide greater benefit.

While the brand offers an established and technically focused product range, the limited pricing transparency, exclusive app features specific to premium sauna models, your budget, and adherence to proper usage guidance remain practical precautions when trying its offerings.