Boston Custom Saunas – Indoor, Outdoor & Infrared Sauna Specialists

Your trusted partner for luxury sauna design, professional installation, and long-term wellness solutions in the Greater Boston area. From upgrading a Back Bay brownstone to outfitting a commercial spa in Cambridge, we bring your vision to life with seamless planning, custom craftsmanship, and proven expertise.

Indoor

Outdoor

Infrared

Steam

Commercial

Boston’s Local Sauna Experts

Experience wellness built around your lifestyle. Our saunas are designed for comfort, engineered for performance, and tailored to fit your home or business.

250+

Residential Saunas

30+

Commercial Saunas

100%

Personalized Care

18+

Years Of Experience

Wellness, Boston Style

We design sauna spaces that encourage relaxation, recovery, and peace of mind—serving homeowners and businesses across Boston, Brookline, Newton, Cambridge, Quincy, Somerville, and beyond.

What We Build

Indoor Saunas

Transform any room into a private wellness retreat. Our indoor saunas are fully customized to blend seamlessly with your home’s architecture and interior design.

Outdoor Saunas

Enjoy year-round relaxation with weather-resistant outdoor saunas built for durability, comfort, and style—perfect for gardens, decks, rooftops, and backyards across New England.

Infrared Saunas

Harness the deep, soothing heat of infrared technology. Ideal for detoxification, muscle recovery, and everyday wellness, our infrared saunas bring spa-level benefits to homes and commercial facilities.

Steam Saunas

Immerse yourself in a luxurious steam experience. Our steam rooms combine modern technology with timeless tradition for unmatched relaxation and purification.

Commercial Saunas

Upgrade your business with custom commercial saunas designed for gyms, hotels, and wellness centers. Built for safety, durability, and client satisfaction.

Pre-Built Sauna Installation

Prefer a pre-fabricated unit? We professionally install pre-built indoor or outdoor saunas, ensuring long-lasting performance and flawless operation from day one.

Wellness for Body & Mind

Our Process

Free Consultation

We review your space, needs, and preferences to recommend the right sauna solution at no cost.

Design & Plan

Receive a tailored design with premium wood options and advanced heating systems.

Installation

Our Boston installers handle everything from site preparation to finishing touches with minimal disruption.

Ongoing Support

We’re here long after installation with answers, upgrades, and maintenance.

Premium Materials.

Advanced Heating.

Our saunas combine hand-selected hardwoods with modern heating technology to deliver stunning design, exceptional comfort, and reliable performance that lasts decades—even in New England’s unique climate.

250+

Residential Saunas

30+

Commercial Saunas

100%

Personalized Care

18+

Years Of Expirience

ABOUT US

Why Choose Boston Custom Saunas?

We go beyond simple installation to deliver a complete start-to-finish experience. From planning and sourcing to design and construction, our team ensures your project is seamless, stress-free, and built for lasting wellness.

Custom Sauna Designs

Premium Woods & High-Efficiency Heaters

Complete End-to-End Service

What Our Customers Say!

Read what our clients have to say about us

"Boston Custom Saunas built an outdoor sauna in our backyard, and it’s incredible. The installers were punctual, professional, and detail-oriented. It feels like having a personal spa right at home."

Emily R., Newton

"I searched for sauna contractors in Boston and found the perfect team. They converted an unused space into a stunning indoor sauna that looks like it was always part of our home."

Michael P., Brookline

"Our fitness studio in Cambridge needed a commercial sauna. Boston Custom Saunas delivered a durable, stylish installation that our members can’t stop raving about. It’s holding up perfectly under heavy use."

Samantha K., Cambridge

"From consultation to installation, the process was smooth and professional. The final result is exactly what we hoped for. Highly recommend if you want a sauna builder who truly knows their craft."

Chris D., Boston

"I recently had an infrared sauna installed in my home. The team explained everything clearly, tested the system thoroughly, and left the area spotless. I use it daily and couldn’t be happier."

Rachel M., Quincy

Frequently Asked Questions

Are saunas energy efficient in Massachusetts homes?

Yes. Modern sauna systems are built with energy efficiency in mind. Infrared saunas use less electricity than traditional heaters, and even classic Finnish-style saunas can be efficient with proper insulation and smart controls. We’ll recommend the best option for your Boston home to balance performance with affordable energy use.

What types of saunas do you install in Boston?

We offer six main types: indoor saunas, outdoor saunas, infrared saunas, steam saunas, commercial sauna projects, and pre-built sauna installations. Indoor units create private wellness escapes, outdoor saunas are perfect for New England backyards and rooftops, infrared saunas provide gentle heat for recovery, steam rooms deliver spa-level relaxation, commercial builds serve gyms and wellness centers, and pre-built options are installed quickly by our team. Each one is fully customizable.

What are the health benefits of sauna use?

Regular sauna use can help with stress relief, muscle recovery, improved sleep, and circulation. Infrared saunas support detoxification and relaxation, steam saunas can open airways and improve skin health, and traditional saunas ease joint stiffness while boosting overall wellness. Many Boston homeowners choose saunas for both physical recovery and mental balance.

How much does a custom sauna cost in Boston?

Pricing depends on size, design, and materials. Small indoor saunas may start around \$6,000–\$8,000, while larger outdoor or steam builds often range between \$10,000–\$20,000+. Commercial projects may cost more due to durability and safety requirements. We provide free consultations and detailed estimates tailored to your property and goals.

What is Boston Custom Saunas?

Boston Custom Saunas is a locally owned sauna design and installation company serving homeowners and businesses throughout Greater Boston. We specialize in indoor, outdoor, infrared, steam, and commercial saunas, as well as pre-built installations. With more than 15 years of experience, our team manages everything from design and planning to installation and long-term support.

We also know that today’s market is filled with countless online sauna options, and it can be overwhelming to sort through them. Our vision is to simplify that process for you. A sauna is a significant investment, and we believe you should feel confident in who you’re buying from. That’s why we encourage meeting in person, walking through your goals, and reviewing your space together. We’re always happy to visit your home or business, answer questions, and guide you through every decision so you feel comfortable and supported from start to finish.

Why choose Boston Custom Saunas over other installers?

Unlike big-box retailers, we provide a personalized, start-to-finish experience. We use premium woods, trusted heating systems, and precise craftsmanship. Our Boston-based team has 15+ years of expertise and offers transparent pricing, attentive customer service, and ongoing support. For us, saunas aren’t just a service—they’re our specialty and our passion.

Can you install a sauna I already purchased?

Yes. If you’ve purchased a pre-built unit online or from a retailer, we provide professional installation across Greater Boston. Our technicians ensure it’s safely assembled, wired, and vented so it performs flawlessly from day one. Proper installation also helps protect warranties and extend the life of your sauna.

Do you only serve Boston, or surrounding towns too?

We serve all of Greater Boston, including Cambridge, Brookline, Newton, Somerville, Quincy, Waltham, Medford, and beyond. Whether you’re in the city or a nearby suburb, our team can design and install the sauna that fits your space.

Do I need a large space in my Boston home to install a sauna?

No. Saunas can be designed for nearly any size area, from a compact bathroom conversion in a South End condo to a spacious backyard retreat in Newton. Our team carefully measures and plans each layout, ensuring your sauna fits seamlessly into your property without sacrificing comfort or performance.

Can children or seniors safely use a sauna?

Yes, but usage should always be adjusted to suit the individual. For children, shorter sessions (5–10 minutes) at moderate temperatures are recommended, and they should always be supervised by an adult. Seniors often find saunas beneficial for circulation, joint stiffness, and relaxation, but may prefer gentler heat options like infrared or steam. We’ll walk you through safety guidelines during installation and suggest features such as automatic shut-offs, ergonomic seating, and easy-access doors to make saunas comfortable for every age group. As always, anyone with health conditions should consult their physician before starting a sauna routine.

Are saunas safe to use every day?

Yes. When installed correctly and used responsibly, saunas are safe for daily use. Most people benefit from sessions lasting 15–30 minutes, depending on the type of sauna and personal comfort level. We’ll walk you through safety guidelines during installation, and recommend features like timers and automatic shut-offs for added peace of mind. If you have health concerns, it’s always best to consult your doctor before starting daily sauna use.

Can I install a sauna in my Boston condo or apartment?

Yes, in many cases you can. Condos and apartments often require smaller, energy-efficient options like infrared saunas that fit into existing bathrooms, spare rooms, or closets. Before installation, we’ll review your building’s rules and confirm ventilation and electrical requirements. We regularly help condo owners in Boston neighborhoods such as Back Bay, Seaport, and South End create private wellness spaces that meet building codes and HOA regulations.

How long does it take to build a sauna in Boston?

Residential projects usually take 1–3 weeks depending on size and complexity. Pre-built saunas can often be installed in a single day, while larger commercial projects may take several weeks. We’ll provide a clear timeline before beginning so you know exactly what to expect.

What materials are used in your custom sauna builds?

We work with premium woods such as cedar, hemlock, and spruce, chosen for their durability, beauty, and heat resistance. For heaters, we use high-quality electric, infrared, or steam systems from trusted brands. Every element is selected to perform reliably in Boston’s climate.

Are infrared saunas popular in Boston?

Yes. Infrared saunas are one of the most requested options here because they fit into smaller spaces like condos or townhomes, use less energy, and deliver deep, soothing heat. Many Boston clients choose them for fitness recovery and everyday wellness routines.

How do I get started with my sauna project?

Just call us at (617) 648-7344 or complete our online contact form. We’ll schedule a free consultation, discuss your design ideas, and create a custom plan. In just a few weeks, you’ll have a professionally installed sauna ready to enjoy.

What are the benefits of an outdoor sauna in New England?

Outdoor saunas let you enjoy relaxation in all seasons—from crisp fall evenings to snowy winter nights. Built with durable, weather-treated materials, they withstand New England’s cold, humidity, and coastal conditions. They also add curb appeal and value while creating a private retreat steps from your home.

Do saunas increase the value of a home in Boston?

Yes. Wellness features are highly desirable in today’s housing market. A professionally installed sauna can set your property apart, particularly in competitive neighborhoods like Beacon Hill, Brookline, or Cambridge. Beyond resale value, it also improves daily living and provides long-term health benefits for you and your family.

How do I maintain my sauna after installation?

Maintenance is simple. Wipe down benches and walls regularly with mild cleaners, avoid harsh chemicals, and ventilate after use. Outdoor saunas may require occasional resealing of wood for weather protection. We provide maintenance instructions and are available for ongoing service if needed.

Do I need special ventilation or electrical work for a sauna?

Most saunas require some level of preparation to run safely and efficiently. Infrared and electric models often need a dedicated circuit to prevent overload, while traditional and steam saunas benefit from carefully planned airflow to control humidity and maintain consistent heat. During our site visit, we’ll assess your electrical system and ventilation setup, and if upgrades are needed, we’ll either coordinate with your licensed Boston electrician or recommend one of our trusted partners. Proper installation not only keeps your sauna safe but also maximizes efficiency and extends the lifespan of your investment.