Disclosure: This article contains affiliate links. If you make a purchase through one of these links, we may earn a commission at no additional cost to you.
An outdoor sauna can turn an ordinary backyard into a private place to relax, recharge, and enjoy year-round. But choosing the right sauna involves more than selecting an attractive design. The heating method, size, materials, electrical requirements, climate, installation needs, and total cost can all affect how well a sauna fits your home and lifestyle.
This guide explains the most important decisions to make before purchasing an outdoor sauna. Whether you prefer the intense heat and steam of a traditional sauna or the gentler warmth of an infrared model, careful planning can help you choose a sauna that is comfortable, practical, and built to last.
Start With the Sauna Experience You Want
The first major choice is between a traditional sauna and an infrared sauna. Traditional saunas use an electric or wood-burning heater to warm the air and, in many models, a bed of sauna stones. Water can be poured over heated stones when the manufacturer permits it, creating a brief burst of steam and the classic sauna experience.
Infrared saunas use radiant heating panels to warm the body more directly while operating at a lower air temperature. Some people prefer this gentler environment, quicker warm-up, and straightforward controls, while others prefer the hotter air, stones, and steam associated with a traditional sauna.
Neither type is automatically better. The right choice depends on the experience you enjoy, the available power supply, installation requirements, desired maintenance, and how you expect to use the sauna throughout the year.
Choose the Right Size and Shape
Begin by deciding how many people will use the sauna most often. Manufacturer capacity ratings may describe the maximum number of seated users, which can feel crowded in practice. If you want room to stretch out, recline, or enjoy longer sessions comfortably, consider choosing a model rated for at least one more person than you normally expect to accommodate.
The shape also affects the experience. Cabin-style saunas generally provide straight walls, flexible bench arrangements, and a familiar room-like interior. Barrel saunas have a distinctive appearance and compact design, but their curved walls can reduce standing room and limit bench placement. Modern glass-front models create an open, architectural look, although extensive glass may influence heat retention in colder climates.
Before ordering, compare the sauna’s exterior dimensions with the entire installation area. Allow room for the door to open, for safe heater clearances, and for future cleaning, maintenance, and electrical access. Also confirm that the foundation can support the completed sauna and remain level through changing weather conditions.
Understand the Electrical and Installation Requirements
Electrical requirements vary considerably by sauna type, heater size, and model. Some compact infrared saunas may operate on a standard household circuit, while many traditional electric saunas require a dedicated higher-voltage circuit and professional installation. Always follow the specifications in the manufacturer’s installation manual rather than assuming that one electrical setup will work for every sauna.
Before purchasing, ask a licensed electrician to confirm that your home can support the required voltage, amperage, wiring, and disconnects. You should also check local permit and inspection requirements. Planning these details early can help prevent unexpected expenses or installation delays.
Wood-burning saunas involve different considerations, including the chimney, ventilation, fire-resistant materials, and required clearances from combustible surfaces. These requirements should be confirmed using the selected model’s installation instructions and applicable local building and fire codes.
Choose Materials That Suit Your Climate
An outdoor sauna must withstand changing temperatures, moisture, sunlight, wind, and precipitation. Wood selection therefore affects more than appearance. Cedar is popular for its aroma, dimensional stability, and resistance to moisture, while spruce and other softwoods can offer a lighter appearance and a more traditional Nordic style. Thermally modified wood is another option designed to improve stability and durability without relying on chemical preservatives.
The best material depends partly on your climate and how exposed the sauna will be. In areas with heavy rain or snow, pay close attention to the roof design, drainage, exterior finish, and protection around doors and windows. In very cold regions, insulation, door seals, and the amount of glass can influence how quickly the sauna heats and how consistently it maintains temperature.
Ask each manufacturer which exterior maintenance is required and whether the warranty depends on applying a protective finish. Even naturally durable wood may weather, fade, or develop surface changes over time. Routine inspection and care can help preserve both the sauna’s appearance and its structure.
Look Beyond the Purchase Price
The advertised price of a sauna may represent only part of the total investment. Delivery charges, site preparation, a foundation or level platform, electrical work, professional assembly, permits, and accessories can add considerably to the final cost. Some models include the heater, controls, stones, lighting, and benches, while others price certain components separately.
Ask the seller exactly what is included before comparing models. A lower-priced sauna may cost more overall if it requires substantial electrical upgrades or additional weather protection. Conversely, a more expensive package may offer greater value if it includes delivery, essential equipment, stronger materials, or professional installation support.
Ongoing expenses also deserve consideration. These may include electricity or firewood, exterior treatments, replacement sauna stones, cleaning supplies, and occasional repairs. Estimating both the initial and long-term costs will give you a more realistic basis for choosing between models.
Compare Warranties, Safety Features, and Customer Support
A sauna is a substantial purchase, so review the written warranty rather than relying only on a summary provided by the seller. Coverage periods may differ for the sauna structure, heater, controls, electrical components, and glass. Look for exclusions involving outdoor exposure, improper foundations, unauthorized electrical work, failure to apply required finishes, or commercial use.
Safety features and approvals are equally important. Confirm that the heater is properly sized for the sauna’s interior volume and that the electrical components meet the requirements for your location. Review the manufacturer’s instructions for ventilation, heater guards, door operation, temperature controls, and required clearances.
Customer support can become especially valuable during assembly or when replacement parts are needed. Before buying, check whether the company provides clear installation manuals, telephone or online assistance, replacement components, and service options. Also review the cancellation and return policies, particularly for customized or made-to-order models.
A sauna is a substantial purchase, so review the written warranty rather than relying only on a summary provided by the seller. Coverage periods may differ for the sauna structure, heater, controls, electrical components, and glass. Look for exclusions involving outdoor exposure, improper foundations, unauthorized electrical work, failure to apply required finishes, or commercial use.
Safety features and approvals are equally important. Confirm that the heater is properly sized for the sauna’s interior volume and that the electrical components meet the requirements for your location. Review the manufacturer’s instructions for ventilation, heater guards, door operation, temperature controls, and required clearances.
Customer support can become especially valuable during assembly or when replacement parts are needed. Before buying, check whether the company provides clear installation manuals, telephone or online assistance, replacement components, and service options. Also review the cancellation and return policies, particularly for customized or made-to-order models.A sauna is a substantial purchase, so review the written warranty rather than relying only on a summary provided by the seller. Coverage periods may differ for the sauna structure, heater, controls, electrical components, and glass. Look for exclusions involving outdoor exposure, improper foundations, unauthorized electrical work, failure to apply required finishes, or commercial use.
Safety features and approvals are equally important. Confirm that the heater is properly sized for the sauna’s interior volume and that the electrical components meet the requirements for your location. Review the manufacturer’s instructions for ventilation, heater guards, door operation, temperature controls, and required clearances.
Outdoor Sauna Buying Checklist
- Decide between a traditional, infrared, or wood-burning sauna.
- Choose a realistic capacity based on comfort, not only the maximum rating.
- Measure the full installation area and allow space for access and maintenance.
- Confirm the foundation, drainage, and weather protection requirements.
- Verify the required voltage, amperage, wiring, and permits.
- Compare the materials, insulation, roof design, and amount of glass.
- Identify everything included in the advertised price.
- Estimate delivery, installation, electrical, and ongoing maintenance costs.
- Review the warranty, return policy, safety information, and customer support.
- Read the selected model’s installation manual before placing the order.
Featured Outdoor Saunas to Consider
Affiliate disclosure: If you purchase through the link below, The Leisure Standard may earn a commission at no additional cost to you.
Sun Home Luminar 2
One model worth comparing is the Sun Home Luminar 2, a two-person full-spectrum infrared sauna designed specifically for outdoor installation. It combines a Canadian red cedar interior with an aerospace-grade aluminum exterior and uses three far-infrared heaters plus six full-spectrum heaters. Before purchasing, confirm the sauna’s dimensions, site-preparation requirements, dedicated 240-volt electrical circuit, current warranty terms, and total installed cost.
View current specifications, availability, and pricing for the Sun Home Luminar 2.
Use code LEISURE at checkout to save $200 on your Sun Home order.
Sun Home Solaris 4
For buyers who prefer a traditional high-temperature sauna, the Sun Home Solaris 4 offers space for up to four people in a fully assembled outdoor structure. It features a Thermo-Alder interior, a 6 kW HUUM heater, and temperatures up to 230°F. Because this substantial sauna requires a level load-bearing pad, a clear delivery path, and dedicated 240-volt electrical service, confirm all site, delivery, and electrical requirements before ordering.
View current specifications, availability, and pricing for the Sun Home Solaris 4.
Use code LEISURE at checkout to save $200 on your Sun Home order.
Making the Final Decision
The best outdoor sauna is not necessarily the largest, most expensive, or most elaborate model. It is the one that provides the experience you want, fits the available space, suits your climate, and can be installed safely within your total budget.
Take time to compare complete specifications rather than judging a sauna by photographs alone. Confirm the installation requirements, included equipment, warranty coverage, and long-term maintenance before purchasing. Careful planning now can help you choose an outdoor sauna that becomes a comfortable and lasting part of your home.
Pingback: Sun Home Sauna Comparison: Luminar 2, 5 & Solaris 4