The best infrared sauna for a garden is the Heavenly Heat 2-Person Outdoor Combination Sauna, featuring low-EMF infrared heating and a traditional stone heater.
However, choosing the right model requires considering outdoor space, weather protection, wood quality, insulation, and electrical safety.
Read this article to learn how to protect your sauna from rain and choose a durable outdoor model.
Table of contents
KeyTakeaways
Choose an Outdoor-Rated Sauna: Select a weather-resistant model designed for garden use.
Protect Against Rain: Use waterproof roofing, covers, and proper drainage.
Prepare a Stable Foundation: Keep your sauna elevated on a level, solid base.
Check Electrical Safety: Use weather-safe connections and hire a qualified electrician.
Prioritize Durability: Choose moisture-resistant wood, strong insulation, and a reliable outdoor warranty.
Best Infrared Sauna For Garden
The Heavenly Heat 2-Person Outdoor Combination Sauna is a strong choice for anyone looking for a premium infrared sauna for their garden.
It combines low-EMF infrared heating panels with a traditional stone heater, allowing users to enjoy gentle warmth or a more intense sauna experience.
Its solid Canadian Hemlock construction, weather-sealed exterior, and shingled roof make it suitable for year-round outdoor use.
Inside, adjustable vents, an elevated bench, Bluetooth audio, and nine chromotherapy lighting settings add comfort.
However, installation requires dedicated 120V and 240V circuits, with a licensed electrician needed for the traditional heater.
Can You Put an Infrared Sauna in Your Garden?
Yes, you can put an infrared sauna in your garden if you choose a model specifically designed for outdoor use.
Make sure it has weather-resistant wood, sealed electrical connections, and a sloped roof to protect it from rain and snow.
Place it on a flat, solid foundation and install a dedicated power circuit. You should also check local building regulations before installation.
How Much Space Does a Garden Infrared Sauna Need?
You typically need 1.5 to 6 square meters for a garden infrared sauna, depending on its capacity.
A one-person model needs around 4 by 5 feet, while a two-person sauna requires at least 6 by 6 feet.
For a four-person model, allow about 8 by 10 feet. You should also provide a level base, 1 to 2 feet of clearance, and 24 inches for the door swing.
How Do You Protect a Garden Infrared Sauna From Rain?
Install a Waterproof Roof to Keep Rain Off Your Sauna
Installing a waterproof roof helps protect your garden infrared sauna from heavy rain, moisture, and long-term water damage.
Choose durable materials such as metal sheets, waterproof shingles, or polycarbonate panels.
Make sure the roof extends beyond the sauna walls to keep rain away from wooden panels, doors, and windows.
A slight slope helps direct water away instead of allowing it to collect overhead. You can also install gutters to control rainwater runoff.
Inspect the roof regularly for cracks, loose panels, and leaks to maintain proper protection throughout the year.
Use a Waterproof Cover When the Sauna Is Not in Use
A waterproof cover provides extra protection when your garden infrared sauna is not in use.
Choose a heavy-duty, UV-resistant cover that fits your sauna's dimensions and protects its roof, walls, and exposed wooden surfaces.
Look for strong seams, adjustable straps, and waterproof fabric that can handle outdoor weather.
Make sure the cover allows airflow because trapped moisture can encourage mold and mildew.
Always let wet surfaces dry before covering the sauna. Remove the cover occasionally to check for moisture buildup, mold, or damage. A properly fitted cover also helps protect the exterior from dirt and harsh weather.
Place the Sauna Under a Covered or Sheltered Area
Choosing a sheltered location can reduce direct rain exposure and protect your garden infrared sauna from harsh weather.
Place it under a covered patio, gazebo, or pergola with a waterproof roof. Make sure the shelter provides enough space for ventilation, door movement, and regular maintenance.
Avoid placing the sauna directly beneath trees because falling branches, leaves, and dripping water can damage its exterior.
Also, consider the direction of strong winds and heavy rain when selecting the location.
A well-protected position can reduce moisture exposure and help maintain the sauna's exterior for longer.
Seal All Doors, Windows, and Exterior Joints Against Water
Small gaps around doors, windows, and exterior joints can allow rainwater to enter your garden infrared sauna.
Start by inspecting these areas for cracks, loose seals, and damaged weatherstripping. Apply outdoor-grade silicone sealant around suitable window frames and exterior joints to block water entry.
Check whether the door closes tightly and replace worn rubber weatherstripping when necessary.
Also, examine window edges for gaps or signs of moisture. Follow your sauna manufacturer's sealing recommendations to avoid damaging wooden surfaces.
Regular inspections, especially after heavy rain, help you identify leaks before they cause bigger problems.
Elevate the Sauna to Prevent Water From Entering the Base
Elevating your garden infrared sauna above ground level helps prevent rainwater from collecting around its base and damaging the wooden structure.
Use a stable, level concrete pad or suitable raised platform that can support the sauna's full weight.
Avoid placing the unit directly on grass, soil, or uneven ground because these surfaces can retain moisture.
Make sure the foundation allows water to drain away instead of collecting underneath.
You can also create a slight slope around the installation area to direct rainwater away. Inspect the base regularly for standing water, dampness, mold, or signs of wood damage.
Install Proper Drainage to Direct Rainwater Away
Proper drainage keeps rainwater from collecting around your garden infrared sauna and damaging its base.
Start by choosing a slightly sloped location that directs water away from the sauna instead of underneath it.
You can also install French drains, drainage channels, or gravel around the foundation to improve water flow.
Make sure gutters and downspouts carry roof runoff away from the sauna rather than toward it.
Keep the surrounding ground clear of leaves and debris that can block drainage paths.
Good drainage reduces standing water, protects wooden panels from moisture, and helps prevent damage to the sauna's electrical components.
Inspect the Sauna Regularly for Leaks and Moisture Damage
Regular inspections help you catch rain damage before it becomes an expensive problem.
Check your garden infrared sauna at least once a month, especially after heavy rainfall or storms.
Pay close attention to the roof, door seals, windows, exterior joints, and wooden panels.
Look for water stains, peeling finishes, soft wood, musty smells, or mold growth. If you notice a leak, repair the damaged seal or panel promptly and dry any wet surfaces completely.
Open the sauna door after use to improve airflow and remove trapped moisture. Also, reseal exposed joints when needed to maintain reliable protection against rainwater.
Is an Infrared Sauna Worth Adding to Your Garden?
Adding an infrared sauna to your garden is worth it if you want an energy-efficient wellness space with gentle heat and more privacy.
You can enjoy relaxing sessions surrounded by nature without using indoor space. However, you must choose a weatherproof outdoor model, prepare a stable base, and install suitable electrical connections. In colder climates, heating performance may also be limited.
How Do You Choose an Infrared Sauna for Outdoor Use?
Choose an Infrared Sauna Specifically Built for Outdoor Use
Choose an infrared sauna that the manufacturer specifically designs for outdoor use.
These models feature stronger construction and materials that handle rain, sunlight, humidity, and changing temperatures.
Avoid placing a regular indoor sauna outside because its materials may not withstand harsh weather.
Before buying, check the product description for an outdoor-use rating and weather-resistant features.
Also, ask the manufacturer about its recommended installation conditions and outdoor warranty.
Some models need extra protection during winter or heavy rain. Choosing a purpose-built outdoor infrared sauna helps protect its structure, heating system, and electrical components over time.
Make Sure the Sauna Has a Waterproof Roof and Sealed Walls
A waterproof roof and tightly sealed walls protect your outdoor infrared sauna from rain and moisture.
Look for a roof with durable, weather-resistant materials, such as asphalt shingles or metal roofing.
Check the wall joints, corners, doors, and windows for proper waterproof sealing because even small gaps can allow water inside.
Quality weatherstripping around the doors also helps keep rain out. Choose a model with suitable ventilation to release trapped moisture and reduce condensation.
Inspect the roof and seals regularly, especially after heavy rain, to catch small leaks before they damage the wood or electrical components.
Select Cedar or Other Wood That Resists Rot and Moisture
Wood quality plays an important role in the durability of an outdoor infrared sauna. Cedar is a popular choice because it naturally resists moisture, decay, and insects while offering a pleasant aroma.
Other options include redwood and specially treated spruce, depending on their outdoor protection.
Check whether the manufacturer uses solid, well-dried wood without cracks, weak joints, or signs of damage.
Ask if the exterior needs a weather-resistant sealant or protective finish. Avoid untreated wood that absorbs water easily.
Good-quality, moisture-resistant wood helps prevent swelling, cracking, mold, and rot, keeping your sauna in better condition for years.
Choose Strong Insulation to Maintain Heat in Cold Weather
Strong insulation helps an outdoor infrared sauna maintain comfortable temperatures during cold weather.
Look for models with insulated walls, ceilings, floors, and doors to reduce heat loss. Quality insulation materials, such as mineral wool or fiberglass, can improve thermal performance when the manufacturer uses them correctly.
Also, check the door seals and window insulation because gaps allow warm air to escape.
Proper insulation helps the heating system maintain the desired temperature without working harder than necessary.
Before purchasing, ask about the sauna's performance in winter and its recommended operating temperature range. This helps you choose a model that suits your local climate.
Select a Sauna Size That Fits Your Outdoor Space and Users
Start by measuring your available outdoor space before choosing an infrared sauna. A one-person model works well for limited areas, while two-person and larger models offer more room for couples or families.
Check the interior dimensions to make sure everyone has enough seating space and headroom.
Remember to leave extra clearance around the sauna for ventilation, door movement, cleaning, and maintenance.
You should also check the ground or platform to ensure it can support the sauna's total weight.
Finally, consider the delivery route and electrical connection requirements. Choosing the right size makes installation easier and keeps outdoor sauna sessions comfortable.
Ensure the Sauna Has Weather-Safe Electrical Connections
Before buying an outdoor infrared sauna, check whether its electrical system can handle outdoor conditions.
Choose a model with weather-resistant wiring, waterproof connectors, and properly sealed electrical components to reduce the risk of moisture damage.
Make sure the manufacturer provides clear electrical requirements, including voltage, amperage, and circuit recommendations.
A dedicated circuit and proper grounding can also support safer operation. Keep outlets and connections away from standing water, rain exposure, and excessive moisture.
Never use indoor-rated extension cords outdoors. Finally, hire a qualified electrician to install and inspect the electrical system so your sauna meets local electrical safety requirements.
Choose a Sauna With a Long Outdoor Warranty and Easy Maintenance
A reliable outdoor infrared sauna should come with a strong warranty and simple maintenance requirements.
Compare warranty periods for the cabin, heating panels, electrical components, and other important parts before making a purchase.
Check whether the manufacturer covers outdoor use, as some warranties exclude weather-related damage, moisture, or improper installation.
Choose a model with easily accessible replacement parts and clear maintenance instructions.
Regularly clean the interior, inspect exterior seals, check the roof, and look for signs of moisture or wood damage.
Also, consider the availability of customer support because quick assistance and replacement parts can make long-term sauna ownership much easier.