Indoor Saunas

Create a Personal Wellness Escape Inside Your San Antonio Home

Imagine having a calm, restorative space just steps away from your daily routine. At San Antonio Custom Saunas, we design and install custom indoor saunas that blend naturally into your home’s layout while elevating your everyday wellness. Whether it’s part of a primary bathroom, a home gym, a finished garage, or a rarely used spare room, we transform interior spaces into relaxing retreats designed for consistent use and long-term comfort.

What Comes With a Custom Indoor Sauna

No two homes—or homeowners—are the same, which is why every indoor sauna we build is fully customized. We don’t rely on generic kits or preset layouts. Our process includes careful space evaluation, custom planning, and professional installation from start to finish.

You’ll be able to select from premium sauna woods such as cedar, hemlock, and spruce, along with advanced heating options including traditional electric heaters, infrared systems, steam generators, or hybrid combinations. Optional enhancements include soft LED lighting, glass doors, built-in speakers, digital controls, and multi-level ergonomic seating to create a true spa-quality experience inside your San Antonio home.

Frequently Asked Questions

Do indoor saunas require special electrical or ventilation planning?

Yes. Most indoor saunas require a dedicated electrical circuit, and proper airflow is essential to manage heat and humidity. We assess your home’s electrical capacity and ventilation needs in advance and coordinate with licensed professionals when upgrades are required. Everything is designed to meet local codes while protecting the rest of your home from excess moisture or heat buildup.

Can an indoor sauna be installed in a garage or converted space?

Yes. Converted garages and interior flex spaces are popular choices in San Antonio homes. These areas often provide sufficient square footage and privacy while keeping the sauna close to living areas. We handle insulation, moisture control, and heater placement to ensure the space performs efficiently and comfortably year-round.

What sauna sizes work best indoors?

Indoor saunas can be built to fit nearly any space, but common layouts include:

* 4’ x 6’ – Ideal for one to two people

* 6’ x 8’ – Comfortable for families or couples

* 8’ x 10’ – Designed for shared wellness rooms or multi-use spaces

Ceiling height plays a major role in heat efficiency. A ceiling around 7 feet is typically ideal, helping heat circulate evenly without overworking the heater. During planning, we measure carefully and design proportions that maximize comfort and performance.

Where is the best place to install an indoor sauna in a San Antonio home?

Indoor saunas can be installed in a variety of locations depending on your floor plan and lifestyle. Many homeowners choose spare rooms, home gyms, or master bathrooms for convenience. Others prefer finished garages, converted storage areas, or guest rooms that aren’t used daily. During your consultation, we evaluate available space, ventilation options, and usage goals to recommend the most practical and comfortable location.

How long does it take to install an indoor sauna?

Once materials are ready, most indoor sauna installations are completed within 3 to 10 days, depending on complexity. Our process includes detailed planning, coordination with electrical work if needed, and careful finishing. We work cleanly and efficiently, and once installation is complete, we provide a full walkthrough covering operation, safety, and care.