Sauna for Airbnb Properties: Boost Bookings and Nightly Rates

Sauna for Airbnb Properties: Boost Bookings and Nightly Rates

A sauna is one of the highest-ROI amenity upgrades you can add to a short-term rental property. Listings with saunas consistently command higher nightly rates, better reviews, and stronger occupancy. In competitive markets, a sauna can be the thing that makes guests pick your property over the one down the street.

Here is how to add a sauna to your Airbnb the smart way - maximizing returns while minimizing liability and maintenance headaches.

The Business Case for a Sauna

Airbnb guests increasingly expect wellness amenities, especially at higher price points. A sauna lets you:

• Increase nightly rate: Properties with saunas typically charge 15-30% more per night than comparable listings without one. On a $200/night property, that is $30-$60 extra per booking.
• Improve occupancy: Unique amenities boost search visibility on Airbnb and VRBO. "Sauna" is a popular search filter that guests actively use.
• Earn better reviews: Saunas generate enthusiastic reviews. Guests mention them unprompted, which improves your listing's conversion rate.
• Attract off-season bookings: A sauna is most appealing during cold months - exactly when many rental properties struggle with occupancy.

ROI Calculation

A quality outdoor sauna costs $4,000-$8,000 installed. If it adds $40/night and your property books 200 nights per year, that is $8,000 in additional annual revenue. The sauna pays for itself within the first year and generates profit for a decade or more after that.

Choosing the Right Sauna for a Rental

Size

For Airbnb, a 4-6 person sauna is the sweet spot. It accommodates most guest groups (couples, small families, friend trips) without being so large that it is expensive to heat and maintain. A 6x6 or 6x8-foot unit works for the majority of rental properties.

Indoor vs. Outdoor

Outdoor saunas are the better choice for most rental properties. They create a photogenic amenity that stands out in listing photos, they keep heat and moisture out of the house, and guests love the experience of stepping outside into a dedicated sauna cabin. Barrel saunas photograph especially well and have strong visual appeal.

Durability

Rental guests are not as careful with your sauna as you would be. Choose a unit built for durability:

• FSC-certified heat-treated Canadian hemlock stands up to heavy use and guest-level maintenance
• Tempered glass door (less likely to be damaged than a wood door)
• Simple, robust heater controls (digital is fine, but avoid overly complex touchscreen systems)
• Harvia or Huum heaters with proven reliability records

Liability and Insurance

This is the section most hosts skip and later regret. A sauna in a rental property creates liability exposure that you need to address before the first guest steps inside.

• Insurance: Notify your rental property insurance carrier about the sauna. Some policies exclude saunas or require a rider. Make sure you have explicit coverage for heat-related incidents on the property.
• Safety signage: Post clear usage guidelines inside or near the sauna. Include maximum temperature, recommended session length, hydration reminders, and contraindications (pregnancy, heart conditions, alcohol use).
• Waiver: Consider adding sauna usage acknowledgment to your house rules or guest agreement. Many hosts include a liability waiver in their check-in process.
• Temperature limit: Set a maximum temperature on the heater controller. Commercial controllers from Harvia and Huum allow you to lock the maximum temperature so guests cannot crank it beyond a safe level.
• Timer: Set an auto-shutoff timer (typically 60 minutes max). This prevents guests from accidentally leaving the heater running all night.

Guest-Proofing Your Sauna

Rental guests will do things with your sauna that you never imagined. Plan for it:

• Lock the heater controls: Set maximum temperature and timer limits. Guests should not have access to override settings.
• Use durable benches: Thicker bench boards (1 inch minimum) resist warping from inconsistent use patterns.
• Provide a bucket and ladle: Guests will throw water on the stones whether you provide a bucket or not. Better to give them a proper one than have them use a water bottle.
• Skip the extras: Essential oils, fancy accessories, and delicate equipment do not survive rental use. Stick to the basics.
• Clear usage instructions: Print a laminated card with step-by-step instructions. Include how to turn the heater on/off, recommended temperature range, and basic etiquette (no food, use a towel on the bench, door closes fully).

Maintenance Between Guests

Your cleaning crew needs a sauna checklist for each turnover:

1. Wipe down all bench surfaces and walls with a sauna-safe cleaner
2. Check that the heater stones are intact (no large cracks or pieces on the floor)
3. Verify the door closes and latches properly
4. Confirm the heater powers on and reaches temperature
5. Replace any sauna towels or seat covers if provided
6. Check that safety signage is still posted and legible
7. Verify vents are not blocked

Monthly: inspect bench fasteners, check for wood damage or splinters, test the GFCI breaker.

Listing Optimization

Having a sauna is great. Marketing it properly is what drives bookings:

• Photos: Professional photos of the sauna - interior with the door open, exterior shot in context with the property, and evening/night shots with interior lighting glowing. The sauna should appear in your first 5 listing photos.
• Title mention: Include "sauna" in your listing title if character limits allow.
• Amenity tag: Make sure "sauna" is checked in your Airbnb amenities list.
• Description: Describe the sauna experience, not just the specs. "Unwind in your private outdoor sauna after a day of hiking" beats "6x8 cedar sauna with 8kW heater."

Pairing with a Cold Plunge

For premium rental properties, adding a cold plunge alongside the sauna creates a full contrast therapy experience that justifies even higher nightly rates. The combination is increasingly expected at luxury rental price points ($300+/night) and generates exceptional reviews and social media content from guests.

Frequently Asked Questions

How much can a sauna increase my Airbnb nightly rate?

Most hosts report a 15-30% increase in nightly rate after adding a sauna. The actual increase depends on your market, competition, and overall property quality. In competitive markets, a sauna may be more about maintaining bookings than raising rates.

What sauna is best for Airbnb?

A 4-6 person outdoor sauna with a simple digital controller and a durable heater from a brand like Harvia or Huum. Barrel saunas are particularly popular for rentals because of their visual appeal in photos.

Do I need special insurance for a sauna at a rental?

Yes. Notify your rental property insurance carrier and confirm the sauna is covered. Some policies require a rider or have specific requirements for hot environment amenities. Do not assume your existing policy covers it.

How do I prevent guests from damaging the sauna?

Lock heater controls to set maximums, post clear usage instructions, use durable materials, and include sauna-specific items in your turnover cleaning checklist. Accept that some wear and tear is inevitable with rental use.

Is an indoor or outdoor sauna better for Airbnb?

Outdoor is generally better for rentals. It photographs well, keeps moisture out of the house, creates a distinct experience, and is easier to maintain between guests.