What is the average price to install a sauna?
What is the Average Price to Install a Sauna?

Saunas are a luxurious addition to any home, offering relaxation, health benefits, and even potential property value increases.
But what is the average price to install a sauna?
The cost depends on several factors, including the type of sauna, size, materials, and installation complexity.
Here’s a comprehensive guide to help you estimate the investment.
What Influences the Cost of Installing a Sauna?
Several factors contribute to the overall cost of installing a sauna.
1. Type of Sauna
- Traditional Finnish Saunas: Use wood-burning or electric heaters and cost $5,000–$15,000.
- Infrared Saunas: Typically more affordable, ranging from $3,000–$7,000.
- Portable Saunas: The cheapest option, costing $500–$2,500.
2. Size and Capacity
- Small Saunas (1–2 people): $3,000–$6,000.
- Medium Saunas (3–4 people): $7,000–$10,000.
- Large Saunas (5+ people): $10,000–$20,000.
3. Material Choices
- Cedarwood: A premium option known for durability and aroma, costing more than other woods.
- Hemlock or Pine: Affordable and commonly used materials.
- Glass Panels: Add a modern aesthetic but increase the price by $1,000–$3,000.
4. Installation Requirements
- Electrical Work: A licensed electrician is often needed, costing $500–$1,500.
- Ventilation Systems: Essential for indoor saunas and can add $1,000–$3,000.
- Site Preparation: Outdoor saunas may require concrete foundations or landscaping, costing $1,000–$5,000.
Case Studies: Sauna Installation Costs
Case Study 1: Infrared Sauna in Auckland
A family in Auckland installed a 2-person infrared sauna in their spare room.
The unit cost $4,500, and professional installation, including electrical work, added $1,200. Total cost: $5,700.
Case Study 2: Custom Finnish Sauna in Queenstown
In Queenstown, a homeowner added a custom-built 4-person Finnish sauna to their outdoor deck.
Using cedarwood and adding a glass door, the project cost $15,000, including site preparation and installation.
Case Study 3: Portable Sauna in Christchurch
A Christchurch resident opted for a portable infrared sauna.
The unit cost $1,200, with no additional installation expenses.
Total cost: $1,200.
Breakdown of Average Sauna Installation Costs
ExpenseEstimated Cost Range
Sauna Unit$3,000–$15,000
Electrical Work$500–$1,500
Ventilation$1,000–$3,000
Site Preparation$1,000–$5,000
Additional Features$500–$3,000
Tips for Reducing Sauna Installation Costs
1. Choose a Pre-Fabricated Kit
Pre-fabricated sauna kits are less expensive than custom builds and easier to install, saving on labour costs.
2. DIY Installation
If you’re handy with tools, installing a sauna yourself can save $1,000–$3,000. However, leave electrical work to professionals.
3. Opt for Smaller Saunas
A compact sauna not only costs less but also requires less energy to operate, reducing long-term expenses.
4. Compare Quotes
Get multiple quotes from sauna suppliers and contractors to ensure competitive pricing.
Why Invest in a Sauna?
While the upfront cost may seem high, a sauna offers long-term benefits, including
- Health Improvements: Stress relief, detoxification, and improved circulation.
- Increased Home Value: Saunas can enhance property appeal for prospective buyers.
- Year-Round Enjoyment: A private sauna offers relaxation regardless of weather conditions.
Frequently Asked Questions
1. How much does it cost to run a sauna?
The running cost depends on the sauna type and usage. Infrared saunas cost approximately $0.15–$0.50 per hour, while traditional saunas cost $0.50–$1.00 per hour.
2. Is a building permit required for a sauna?
Some regions require permits for permanent saunas, especially outdoor installations. Check local regulations.
3. How long does installation take?
- Pre-Fabricated Saunas: 1–2 days.
- Custom Saunas: 1–2 weeks, depending on complexity.
Conclusion - What is the Average Price to Install a Sauna?
The average cost of installing a sauna in New Zealand ranges from $3,000 for a small infrared model to $20,000 for a large custom-built Finnish sauna.
The final price depends on factors like size, materials, and installation requirements.
Interested in adding a sauna to your home?
Contact a local sauna expert today for a personalised quote, or explore pre-fabricated kits for a cost-effective solution!