Prefab vs. Custom Saunas: What You Should Know Before You Buy

If you’re thinking about adding a sauna to your home in Portland or the greater Oregon area, one of the first choices you’ll face is whether to go with a prefab sauna kit or invest in a fully custom build. Both options can help you enjoy the deep health benefits of sauna use, but they offer very different experiences in terms of design, installation, and long-term value.

Here’s what you need to know to make the right call for your space, lifestyle, and goals.

What Is a Prefab Sauna?

Prefab (or pre-manufactured) saunas come as a complete kit with pre-cut panels and components. They can often be assembled in a day or two and are typically designed for indoor use. Some companies now offer outdoor-rated models as well.

Pros of Prefab Saunas:

  • Lower up-front cost

  • Fast delivery and setup

  • Predictable dimensions and specifications

Cons of Prefab Saunas:

  • Limited layout and sizing options

  • Cheaper materials and generic finishes

  • Doesn't blend into your space or architecture

  • Hard to upgrade or modify later

Prefab saunas can be a good fit if you want something fast, temporary, or simple. But if you're thinking long-term or want something tailored to your home, custom is the way to go.

Why Go Custom?

A custom sauna is designed and built to fit your space, your aesthetic, and your preferred features. At Good Heat Sauna Co., that means using premium materials like clear cedar, precise site planning, and a hands-on design process from start to finish.

Benefits of a Custom Sauna:

  • Tailored to your home and property

  • More material and layout flexibility

  • Can integrate with decks, plunges, outdoor showers, etc.

  • Built with better insulation, ventilation, and long-term performance in mind

  • Higher resale value and architectural appeal

Custom saunas are especially ideal for outdoor applications here in the Pacific Northwest, where moisture, privacy, and year-round usability all play a role.

What About Cost?

Prefab saunas may start at $4,000–$8,000. Custom saunas in Oregon typically start around $15,000 and go up depending on size, materials, and add-ons (like cold plunges or covered decks). But with custom, you're not just buying a box of parts — you're investing in a permanent wellness feature designed to suit your space and lifestyle.

Still Deciding?

I’m always happy to talk through your ideas and help you compare options. Whether you’re starting with a small deck or going all-in on a backyard wellness zone, the right sauna should feel intentional, high-performing, and built to last.

Reach out today to schedule a consultation or ask questions about the design process.

Good Heat Sauna Co. serves Portland, OR and surrounding areas with fully custom outdoor saunas and plunge setups. We prioritize craftsmanship, premium materials, and seamless design.

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