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 ~235°F ~215°F

 

All digital download orders are final and non-refundable.

Customer Reviews

Based on 22 reviews
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B
BRICE T.
Awesome Red Light therapy Sauna.

This thing was a pleasure to build. The included plans and videos were some of the most well-thought-out and thoroughly explained plans I have ever seen. It truly is something anybody can do with some time and a little patience. It was most certainly not a difficult build but parts of it can be pretty intricate. Make sure you have the right tools to make the job easier. The most challenging part of the build is dealing with the terrible dimensional lumber you get from the big box retailers. It makes squaring up the framing challenging. But that is certainly nothing to do with the plans and more about the quality of lumber at the big box retailers. Last night was the first time I fired it up and everything worked great. I emailed the owner one evening and had to reply back within a couple of hours. He is truly very helpful and responsive to any questions. I would have to go back and truly add up the receipts, but the XL version was right around $1500 total build.

K
Kyle W.
Fun Build!

Had a great time building this! Plans were easy to follow just like the DIY Cild Plunge. Couldn’t recommend enough if you are looking for a solid sauna plan without the hefty price tag.

M
Mickey L.
Fantastic Plans

The downloads are a fantastic. I would never pay for a setup. 7k sounds absolutely crazy to me. I randomly saw Joe's post and convinced me that I can make my own. Without randomly seeing his post I wouldn't have a sauna now. The videos and plans break it down to easily comprehend.

A
Ashton L.
XL Outperforming Joe's Advertised Performance Metrics

First time doing a wood project and using many of the tools needed. I had a lot of questions throughout the course of the build. Joe answered all of them within 24 hours, most within a few hours.

If you are looking for a Sauna that gets over 200 in a timely fashion, provide red light, all under 2k, this is it. I also want to note, I built the XL, and Joe advertised roughly 170 degrees in an hour. Mine is getting to about 190-195 in that time. And thats with 4x250 watt rubylux bulbs. So its overdelivering on temp, which is awesome.

Thank you Joe for the support!

L
Logan W.
5 stars all around!!

This has been quite the experience for me. I don’t come from a background of tools and building experience so with borrowed tools, many hours across several days and weekends I little by little pieced this together. Because I was learning a lot of this as I went my build has several little flaws but that’s what makes it mine and memorable.