Model S840 Quartet Infrared Sauna

The Model S840 Quartet brings a shared sauna experience into the home with room for four people to sit across from one another or for two people to relax side by side. Its layout is well suited to families, couples, and homeowners who want a dedicated wellness space that feels polished without requiring a custom build. For buyers across Traverse City, Cadillac, and Boyne City, it offers a practical way to add infrared heat, modern styling, and a premium in-home retreat.

Phillips Lifestyles offers this sauna with support from a Northern Michigan team that provides installation and maintenance services, plus free in-home consultations to help with selection and placement. That kind of backing matters when you are planning a long-term home upgrade and want the room, electrical needs, and finished look to work together. A visit near Young State Park makes it easy to imagine how this kind of wellness-focused addition could complement an active lifestyle at home.

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Key features

The S840 Quartet emphasizes comfort, clean design, and a soft heat experience. It uses Low EMR and Low EF throughout the entire sauna, with performance described as among the lowest EMR/EF levels in infrared bathing systems. For shoppers who are careful about the kind of heat environment they bring into the home, that is a meaningful part of the appeal.

Exclusive EvenHeat technology is designed to warm quickly and evenly, helping the interior feel consistent from one side to the other. The result is a sauna intended for relaxed, repeat use rather than occasional novelty. Clear Canadian Hemlock adds a natural, sturdy finish, while full glass fronts and floor-to-ceiling tempered glass doors create an open, refined appearance. The Euro-styled presentation helps it blend into modern living spaces, fitness rooms, and condo projects without looking industrial or bulky.

The communal seating layout is another major advantage. Instead of forcing users into a tight, single-person arrangement, the Quartet makes room for conversation and shared recovery time. That makes it appealing for families who want a calm evening routine as well as couples who want to enjoy the space together. If your goal is to make wellness part of daily life, the layout supports that habit.

Size and installation

The Model S840 Quartet measures 77 inches high, 71 1/2 inches wide, and 56 1/2 inches deep. Those dimensions place it in a category that feels substantial while still being manageable for many indoor home settings. It is a strong fit for a dedicated wellness room, a compact condo project, or an exercise area where you want the sauna to look intentional rather than improvised.

This model is designed for plug-in operation with a 15-amp, 120-volt outlet. That electrical requirement keeps the installation straightforward compared with more demanding equipment. Prefabricated panels are intended to support fast assembly without tools, which can be especially helpful for homeowners who value convenience and a clean final result. The practical appeal is simple: less disruption during setup and a faster path to using the sauna.

The product’s proportions and construction also support a premium feel once installed. The clear-front design gives visibility and brightness, while the hemlock finish adds warmth and texture. For a buyer comparing options, that combination of usable size and polished presentation can be just as important as the heating technology itself.

Phillips Lifestyles support

Phillips Lifestyles supports its products with services that include expert installation and maintenance for hot tubs, swim spas, fireplaces, and entertainment tables. The company also offers free in-home consultations, helping shoppers think through placement, dimensions, and product selection before they commit. Those services are described on its services page and are reinforced by the broader family-owned business information on its about page.

For buyers considering a sauna as part of a larger home upgrade, that support structure adds real value. It can help simplify planning and reduce uncertainty around where the unit will live, how it will fit into the room, and what the next steps should be after purchase. If you want to ask questions or start the conversation directly, the contact page gives you a direct path to the team.

Phillips Lifestyles also presents a broader home-lifestyle lineup that includes fireplaces, pellet stoves, billiards and game tables, grills, and massage chairs. That breadth may be useful for shoppers who want to compare wellness and recreation categories from a single retailer while keeping the experience centered on quality and service.

Why this sauna fits the region

For households across Northern Michigan, the appeal of the Model S840 Quartet is its balance of comfort, style, and ease of use. The sauna gives you a way to enjoy regular infrared heat at home without needing a complicated buildout, and its shared seating makes it feel welcoming rather than solitary. That matters for buyers who want a space that can be enjoyed with family members or a partner.

The design also fits the practical expectations of local home projects. A plug-in connection, tool-free assembly, and compact-yet-substantial footprint all support a smoother ownership experience. Whether you are planning a retreat in Traverse City, updating a home in Cadillac, or creating a wellness room for a property in Boyne City, the S840 Quartet delivers a premium look with straightforward everyday use.

Its clean exterior and tempered glass elements give it a finished presence that works well in both contemporary and traditional interiors. If you are selecting a sauna for long-term enjoyment, those visual and functional details help the unit feel like a natural part of the home instead of an afterthought. That is especially important for buyers who want their investment to be both useful and attractive for years.

Supporting references

Sources and further information

Frequently asked questions

How many people is the Model S840 Quartet designed for?
It is designed for four people to sit across from one another, and it can also accommodate two people lying across from each other for a shared sauna session.
What kind of power does it use?
The sauna is designed for plug-in operation with a 15-amp, 120-volt outlet.
What materials and visual features does it include?
It features clear Canadian Hemlock, full glass fronts, and tempered floor-to-ceiling glass doors.
What support does Phillips Lifestyles provide?
Phillips Lifestyles offers installation and maintenance services, plus free in-home consultations to help with product selection and placement.