The DIY Sauna by DIY Cold Plunge
DIY Sauna Plan
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 72 reviews
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A
Anonymous
Love it

Fun to build, and it pumps out some heat!

J
Jeff T.
The kit was 100% as advertised

The kit was 100% as advertised. Joe took time to make a personalized note. Everything went together like it was supposed to and worked the first time. Thankfully there were a couple of extra screws added in as a dropped one has yet to be retrieved

N
Nate G.
Better than expected

Build went great. Plans were perfect. Video made it all easy to follow. Also bought the heater. It did get it to 200 degrees. All in all I was in $1300

J
Jaime
Effective and cool look!

The DIY heater kit really impressed me. It was simple to set up, works very effectively, and adds to the overall satisfaction of the sauna build. I wasn’t sure what to expect at first, but it performs great and makes the sauna feel complete. Definitely worth it!

J
Jaime
Super fun build!

The build plans are excellent—clear, detailed, and the videos make everything easy to follow. This was my first DIY project, and even without prior experience or tools, I managed to pull it off. The instructions were straightforward enough that I even swapped some materials, using tongue-and-groove paneling on the outside for a look I love. It was a fun, rewarding project—took me a couple of weeks as a beginner, but if you’re experienced you could finish in a weekend. Highly recommend!