Sun Home’s Eclipse Red Light & Infrared Saunas blend two popular sauna technologies into a model meant for the home

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My gym has a sauna, but it’s disgusting. It is also often broken. This is why a home sauna is starting to look so attractive. The Sun Home Eclipse 2-Person and Eclipse 4-Person Saunas represent the current state of home sauna technology: units that combine full-spectrum infrared heating elements with integrated red light therapy (RLT) panels, allowing users to perform either modality independently or both at the same time. This dual approach sets the Eclipse range apart from most infrared saunas on the market, which typically rely solely on infrared heat.

The 2-person Eclipse is built around six far-infrared heaters covering the walls, calf area, and floor, plus two full-spectrum heaters on the back wall, all operating at 500 watts. The unit operates on a standard 120V circuit (NEMA L5-30P, dedicated outlet required) at 2820W, reaches a maximum of 165°F, and measures 51.5″ W × 47.2″ D × 76.7″ H with an interior of 42.8″ W × 42.2″ D × 71.5″ H. Construction uses red Canadian. cedar, and the company claims EMF emissions of 0.5 milligauss via its patented shielding, below the level of most common household appliances. Assembly uses Sun Home’s tool-less Magne-Seal panel locking system.

The 4-person model accommodates up to 12 far-infrared heaters and four full-spectrum heaters, as well as two dedicated red light therapy towers mounted on the front of the unit. It requires a dedicated 240V circuit (NEMA L6-30P, 5300W, 22A) and weighs 925 lbs., with exterior dimensions of 94.4″ W × 55.1″ D × 76.7″ H and a usable interior of 85.7″ W × 50″ D × 76.7″ H. Sun Home recommends allowing 4 to 6 inches of clearance around the unit and 12 to 14 inches of clearance above the roof when constructed in an enclosed space.

Sun Home Eclipse Tour

How Full Spectrum Infrared Heating Works

Unlike traditional saunas that heat the air around you, infrared saunas use electromagnetic radiation to directly warm the body. As we explained previously, infrared light penetrates the skin without significantly increasing the surrounding air temperature, meaning the sauna can operate at lower temperatures while still producing deep sweating. The term “full spectrum” refers to the inclusion of the near-infrared (approximately 700 to 1,400 nanometers), mid-infrared, and far-infrared (approximately 6 to 14 microns) wavelength ranges, each of which interacts differently with the body.

Far infrared wavelengths produce the most thermal energy and are the most studied in sauna therapy. A review published in the journal Canadian Family Physician found that far-infrared sauna therapy has benefits for patients with systolic hypertension and congestive heart failure, although the authors noted that the evidence remains limited and called for larger-scale trials. A separate systematic review and meta-analysis of seven studies involving 491 heart failure patients found that infrared sauna therapy was associated with short-term improvements in heart function. The Mayo Clinic notes that while several studies have examined infrared saunas for conditions such as high blood pressure, heart failure, and chronic pain, most of this research has been small and more rigorous evidence is still needed.

What Red Light Therapy Panels Do

The most distinctive feature of the Eclipse line is its integrated red light therapy panels, which provide wavelengths between 630 and 850 nanometers. This technology, formerly known as photobiomodulation, is distinct from infrared sauna heat. It uses specific, narrower bands of visible red and near-infrared light at measured irradiation levels rather than broad-spectrum thermal energy. Red light at 630-670 nm targets surface and mid-depth tissue, penetrating approximately 8-10 mm into the skin, while near-infrared light at 810-880 nm reaches deeper into muscles, joints and connective tissue.

The proposed cellular mechanism involves stimulation of cytochrome c oxidase in the mitochondrial electron transport chain, which could increase ATP production. A review published in the Aesthetic Surgery Journal covering clinical applications of photobiomodulation found more than 4,000 studies listed in PubMed, although the authors noted that the commercial market has outpaced the clinical evidence base. A separate controlled trial in photomedicine and laser surgery found that red and near-infrared light increased intradermal collagen density, with subjects reporting improvements in skin tone and texture. As our own report notes, experts caution that the direct correlation between infrared energy and mitochondrial stimulation is not yet firmly established in all claimed applications, but that research continues to expand.

EMC, materials and safety

Exposure to electromagnetic fields (EMF) is a common concern with infrared saunas. Eclipse models feature what Sun Home describes as patented EMF and ELF (extremely low frequency) shielding, with claimed readings of 0.5 milligauss, below the levels produced by many household appliances. Construction uses non-toxic, low VOC materials. Both models use Canadian red cedar, a naturally antimicrobial wood species.

Additional Features

Both Eclipse models include chromotherapy lighting, a Bluetooth audio system and connectivity to Sun Home’s mobile app, which manages remote session control and includes a library of guided breathing classes. The benches on both models are removable to open up floor space for stretching or yoga. Sun Home notes that Eclipse saunas are HSA/FSA eligible through Truemed, a third-party service that facilitates health savings account purchases for eligible wellness products. Buyers should verify eligibility with their specific plan before purchasing.

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