Saunas for Sale in Knoxville: Indoor, Outdoor, and Barrel Saunas
Bring the Spa Experience Home: Saunas Built for East Tennessee Living. You do not have to drive to a resort or a gym to get the sauna experience. More and more Knoxville homeowners are bringing that luxury home, and they are loving every minute of it.
Whether you want a traditional Finnish steam room, a plug and play infrared cabin, or an outdoor barrel sauna overlooking the foothills, we can make it happen. And unlike ordering a sauna off the internet and figuring out the wiring yourself, working with Foothills Custom Outdoors means you get expert guidance from selection through installation. We are Nick and Sam, and we are here to help you build a private wellness retreat that works for your home, your space, and your lifestyle.
Shop by Type
Traditional Finnish Saunas
High heat, stone and steam, the classic full body experience.
Infrared Saunas
Lower temperature, targeted heat therapy, many with plug and play convenience.
Barrel Saunas
The iconic outdoor statement piece, perfect for East Tennessee's natural landscape.
Indoor Cabin Saunas
Freestanding units designed for basements, master suites, and spare rooms.
Portable and Compact
Affordable entry points for smaller spaces and first time sauna users.
Traditional vs. Infrared vs. Barrel: Which Sauna Is Right for You?
Traditional Saunas
The classic experience. These saunas use a heater filled with stones to heat the air to high temperatures (170-190°F). By pouring water over the stones, you create steam and humidity. If you want that deep, lung-opening steam and intense sweat, traditional is the way to go.
Infrared Saunas
Instead of heating the air, infrared saunas use light waves to heat your body directly at lower temperatures (120-140°F). This allows for a longer, more comfortable session with similar detox benefits. They are ideal for muscle recovery and those who find high humidity difficult to breathe in.
Barrel Saunas
The barrel shape isn't just for looks; it provides natural convection, heating up faster and distributing air more evenly than square outdoor units. Plus, their unique aesthetic and durable design make them the gold standard for Knoxville backyards.
Indoor or Outdoor Sauna: What Is Best for Knoxville's Climate?
Can an Outdoor Sauna Survive Tennessee Humidity and Winters?
Yes, but material choice is everything. Western Red Cedar is the gold standard for outdoor saunas in our region. It has natural anti fungal and anti bacterial properties that help it resist the mold and mildew that East Tennessee’s humidity promotes. It also handles the temperature swings between our hot summers and cold winter nights without excessive cracking or warping. Other considerations for outdoor placement:
- Elevate the sauna off the ground on a gravel pad or concrete pavers to prevent moisture wicking up from the soil and rotting the base
- Ensure adequate airflow around the exterior to prevent moisture from getting trapped
- Position away from trees that drip sap or drop leaves, which can stain and degrade the wood over time
- Protect electronics (especially infrared panels and control units) from direct rain exposure
Indoor Setup: Basements, Spare Rooms, and Ventilation
Indoor saunas are an excellent option, especially if you have an underutilized basement or spare room. Basements are particularly well suited because of their concrete floors and naturally cooler ambient temperatures.
The critical factor for indoor installation is ventilation. A sauna generates heat and moisture, and in East Tennessee’s already humid homes, that moisture needs somewhere to go. Proper intake and exhaust vents, and in some cases a dedicated ERV (Energy Recovery Ventilator), prevent mold and moisture damage to surrounding walls and surfaces.
We evaluate your space and ensure the ventilation plan is right before we install anything.
The Cold Plunge Combo: Contrast Therapy in Your Backyard
One of the fastest growing wellness trends we are seeing in Knoxville is the sauna and cold plunge combination. The practice of alternating between intense heat and cold water has been used for centuries, and it is gaining serious momentum among fitness enthusiasts, athletes, and anyone looking for a powerful recovery tool.
If you are interested in setting up a contrast therapy station in your backyard, we can help you plan the layout, select the right sauna and plunge combination, and coordinate the installation so everything works together.
What You Need to Know Before Installing a Sauna in Knoxville
120 Volt Plug and Play vs. 240 Volt Hardwired: Which Do You Need?
This is one of the most common questions we receive, and it has a straightforward answer:
- Most 1 to 2 person infrared saunas operate on a standard 120 volt, 15 or 20 amp household outlet. You plug them in and they work. No electrician needed.
- Larger infrared saunas and almost all traditional Finnish saunas require a dedicated 240 volt circuit, professionally installed by a licensed electrician. The heaters in these units draw significant power (typically 6 to 9 kilowatts).
- Older homes in areas like Sequoyah Hills, Fourth and Gill, and other established Knoxville neighborhoods may need an electrical panel upgrade to support a 240 volt circuit.
We clarify the electrical requirements for every sauna we sell before you make a purchase, so there are no surprises on installation day.
As for monthly operating costs, Knoxville benefits from TVA supported utility rates through KUB, which are often lower than the national average. Running a sauna three to four times per week typically adds a modest amount to your monthly electric bill.
Foundation Options for Outdoor Saunas on Sloped Lots
Most Knoxville backyards are not perfectly flat, which means your outdoor sauna needs a level foundation. Here are the most common approaches:
- Compacted gravel pad: The most popular and cost effective option. It provides drainage, stays level, and prevents moisture from pooling under the sauna.
- Concrete pavers: A cleaner, more finished look that is equally functional for drainage and leveling.
- Timber frame platform: Used on steeper slopes, this approach creates a level surface that can accommodate significant grade changes.
We assess your lot during our initial visit and recommend the foundation approach that works best for your specific terrain.
Drainage and Runoff: Keeping Water Away from Your Sauna
East Tennessee gets a lot of rain. If water pools around or under your sauna, it will accelerate wood deterioration regardless of the species.
We address drainage as part of every outdoor installation:
- Proper grading to direct water away from the sauna base
- French drains or swales for lots where water naturally flows toward the installation area
- Elevated foundations that keep the sauna body well above ground moisture
Sauna Permits, HOA Rules, and Blending Into Your Knoxville Property
Does a Barrel Sauna Count as a "Shed" Under Your HOA?
This is a surprisingly common question, and the answer varies by community. Some HOAs classify barrel saunas as “accessory structures” (like sheds), while others treat them as portable equipment.
The key factors your HOA will likely consider:
- Height: Does the sauna exceed the maximum height for detached structures in your community?
- Visibility: Is it visible from the street or from neighboring properties?
- Aesthetics: Does it match the community’s design standards?
Many homeowners screen their sauna with landscaping (Green Giant Arborvitae and ornamental grasses are popular local choices) to satisfy visibility requirements. We can advise on placement that keeps your HOA happy while maximizing your enjoyment.
Knox County Permits: Freestanding Structures and Electrical
In general, small freestanding structures under 200 square feet do not require a building permit in Knox County. However, the electrical work to supply power to the sauna almost always requires an electrical permit and inspection, especially for 240 volt circuits.
We coordinate with local inspectors to ensure everything is properly permitted and up to code.
Why Knoxville Homeowners Are Adding Saunas: Health Benefits and Home Value
Recovery, Relaxation, and Respiratory Relief
We are not medical professionals, and we do not make health claims. What we can tell you is what our clients report:
- Significant relaxation and stress reduction after regular use
- Improved muscle recovery after hiking, biking, and exercising in the Smokies
- Better sleep quality on days they use the sauna
- Relief from congestion and sinus pressure, which is particularly relevant in Knoxville during our notoriously intense pollen seasons
If wellness is a priority for your household, a home sauna gives you access to that experience on your own schedule, in your own space, without a gym membership or a 30 minute drive.
Does a Sauna Add Resale Value in East Tennessee?
Home wellness amenities are increasingly attractive to buyers in the Knoxville market. A well installed, high quality sauna signals a home that offers a premium lifestyle, similar to how a finished outdoor living space adds appeal beyond its raw square footage.
While the exact ROI depends on the buyer and the market, a properly installed sauna is a feature that makes your property stand out.
We Handle Everything: Selection, Delivery, Electrical, and Installation
Our Sauna Installation Process
Building an outdoor kitchen involves a lot of moving parts. That is exactly why most homeowners want one team managing the entire project. Here is how we work:
Consultation
We discuss your goals, your space (indoor vs. outdoor), and your budget. We help you select the right type and size.
Site evaluation
We visit your property to assess the installation location, electrical capacity, and foundation needs.
Foundation preparation
For outdoor saunas, we prepare the gravel pad, paver surface, or timber platform.
Electrical coordination
We arrange for all necessary wiring, circuits, and inspections.
Delivery and assembly
We deliver the sauna to your property and assemble it on site.
Final walkthrough
We demonstrate operation, explain maintenance, and make sure everything is working perfectly.
You do not need to figure out electrical requirements, source foundation materials, or wrestle a thousand pound barrel across your yard. That is our job.
Frequently Asked Questions About Home Saunas in Knoxville
Infrared vs. traditional: which is better?
Neither is objectively “better.” Traditional saunas offer higher heat and steam. Infrared saunas offer lower temperatures, quicker heat up times, and easier installation. The right choice depends on your personal preference and how you plan to use it.
Do I need a 240 volt outlet?
Most small infrared saunas run on standard 120 volt outlets. Larger models and all traditional saunas typically require a 240 volt dedicated circuit installed by a licensed electrician.
How much does it cost to run a sauna monthly?
With Knoxville’s KUB utility rates, running a sauna three to four times per week adds a modest amount to your electric bill. Infrared saunas are generally less expensive to operate than traditional models.
Can I put a sauna on my deck?
Possibly, but weight is a factor. A full size sauna can weigh several hundred pounds or more. Your deck’s structural capacity needs to be verified first.
Do I need a building permit?
The sauna itself typically does not require a permit if it is under 200 square feet and freestanding. The electrical work to power it usually does require a permit.
Which brands have local service in Knoxville?
We carry brands with reliable warranty support and can assist with any service needs that arise. Ask us about specific brand availability during your consultation.