The DIY Sauna by DIY Cold Plunge
DIY Sauna Plan
DIY Sauna "Standard" Dimensions Image
DIY Sauna "XL" Dimensions Image
DIY Sauna Plan
The DIY Sauna by DIY Cold Plunge Alternate Angles
The DIY Sauna by DIY Cold Plunge Front Image

DIY Sauna Plan

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Looking for a high-performance sauna that fits in small spaces without breaking the bank? The DIY Sauna is the ultimate solution—delivering 200°F+ heat, red light therapy benefits, plus a fully customizable, modular design that you can build yourself in one weekend.

High Heat, Small Footprint, BIG Benefits🔥

  • Serious Heat – Achieves Temperatures from 175°F to 200°F+
  • Infrared & Red Light Therapy – Full Spectrum Benefits
  • Space-Saving, Modular Design – Perfect for garage gyms, basements, or indoor spaces. Disassembles for easy transport.
  • No electrician required – Plugs into a standard outlet.
  • Fully Insulated with Cedar Interior – Premium look, energy efficient and that classic sauna feel.
  • Cost-Effective DIY Build – A fraction of the cost of traditional saunas – complete build costs around $1,200.
  • Spouse-Approved – Perfect for the whole household, even if cold plunges aren’t their thing.

This beginner friendly, step-by-step plan walks you through everything you need to build your own DIY Sauna. Materials list, cut plans, assembly tutorials (and more) are all included. I also cover big learns from the project ranging from EMF reduction to maintenance tips and potential add-ons.

These plans eliminate the guesswork and save you time.

Plans Include:
✔️ Detailed Build Instructions with Video
✔️ Complete Shopping List
✔️ Cut List
✔️ Customization Options & More

🔥 Ready to build your own sauna?
Download the DIY Infrared Sauna Plans today and start sweating!

Build Dimensions

Length

Width

Height

"Standard" Exterior ~54" ~31-1/2" ~46"
"Standard" Interior ~49" ~27" ~40"
"XL" Exterior ~60" ~37" ~50"
"XL" Interior ~56" ~33-1/2" ~45"

 

Heating Times (~65°F Ambient Temp)

x4 250W Bulbs

Standard

XL

1 Hour ~190°F ~170°F
2 Hours ~210°F ~190°F
3 Hours ~220°F+ ~200°F

 

Heating Times (~65°F Ambient Temp)

x2 250W Bulbs & x2 375W Bulbs

Standard

XL

1 Hour ~210°F ~190°F
2 Hours ~2135°F ~215°F

 

All digital download orders are final and non-refundable.

Customer Reviews

Based on 8 reviews
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Jeremy N.
Great plan! Easy to assemble step by step

I am 5’9” and I’d say if you’re a little taller go with the XL. I am very comfortable in it. I love the sauna it heats up to over 210F in 45 min. Was easy to assemble and I was able to save even more money where I could. Thanks Joe!

K
Kyle B.
Awesome project

Very clear instructions that are easy to follow. The few times I had questions, he was very responsive and friendly. I love that he’d always ask for feedback on how it could be made better. You can tell he put a lot of time and care into this product.

C
Charles T.
Sauna 🔥

Instructions were clear and the shopping links are a must. Made it easy to get material. Follow the instructions when cutting or you will be back to get more material 🙈

Reviewer avatar
Zach M.
Joe did it again! Time to sweat!

I recently followed Joe’s DIY sauna build plan, and I couldn’t be more impressed with how well it was put together. From start to finish, the guide was incredibly thorough and user-friendly. Joe did an excellent job breaking down each step of the process in clear, easy-to-understand language. Whether you're a seasoned DIYer or a beginner, his instructions are approachable and detailed.
One of the standout aspects of the build was how comprehensive the materials list was. Joe included every item needed, down to the smallest components, which saved me multiple trips to the store. His attention to detail really showed throughout the entire project, ensuring that nothing was left to guesswork.
Overall, Joe’s plan made what could have been a complex and overwhelming project feel manageable and rewarding. The end result is a beautifully functional sauna that I’m proud to have built myself. Highly recommended for anyone looking to build a quality sauna for a fraction of the price.

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Anonymous
Best plan ever!!

This was the most well thought out plan I’ve ever seen. Perfect instructions with easy to follow steps, cut guides, and videos to go with!