---
title: Wiens Law in Round Saunas & Infrared Saunas | Northern Lights Cedar Saunas
description: Know how round infrared saunas work. Know how Wiens Law works with heat displacement states. Round sauna will give the best rebound of sauna waves back to the bather because of the circle nature.
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     # Wiens Law

Heat tries to distribute itself as equally as possible. 1 Therefore, smaller heaters concentrate the heat and larger heaters spread it out resulting in lower surface temperatures. Wein's Law of Displacement states that the wavelength is inversely proportional to temperature of the source. 2

1\. Astronomical Institute / Utrecht University . 11-14-04. [https://www.uu.nl/](https://www.uu.nl/organisatie/departement-natuurkunde)

2\. Nobel Lectures. Physics 1901-1921. Elseyler Publishing Company, Amsterdam. 1967.









![Sauna Wave Graph](https://www.cedarbarrelsaunas.com/images/heaters/wave-graph.jpg)









**Note a round sauna will give the best rebound of sauna waves back to the bather becuase of the circle nature.**





















 

 

 





 

 

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