If you upsize even 1/2 a size too much it will bring the 110-114 sweet spot zone lower and the upper body and head level can be out of the comfort zone. At a 1/2 size oversize, you will probably be slightly uncomfortable and will not want to stay in for the normal time you stay in for your steam session. For each 1/2 killowatt oversize, it can bring the thermocline down about 3 degrees. So, if you are using a 9 killowatt generator when you need a 7.5 killowatt generator, that's 9 degrees higher.
Instead of being in the 110/114 sweet spot, you may find yourself in the 119 -123 degree temperature zone. If you do find yourself in this situation, I found the best way to fix it is to use a fan to blow the cool floor air up. If you blow it down it will feel even hotter and will be even more uncomfortable, especially if the steam has lots of condensate in it (wet steam). See my page on oversizing generators.
Know before buying a steam generator
Know before buying a steam generator
Know before buying a steam generator
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1-800-336-9285
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DiscountSteamGenerators.com
We're open now
1-800-336-9285
Ask for Sharon
We're open now
1-800-336-9285
Ask for Alex
Anyone that doesn't have a hygrometer (see picture above) is missing out on having control of their steam experience. Many people just rely on the temperature they set it at on the controller. I use the hygrometer to know the humidity level and temperature at any part of the steam room. I know what temperature I need to set the controller at when I have a fan blowing down the steam so I can bring my whole body into vasodilation. I don't like when my head is at the hottest thermocline and my feet are at the coldest thermocline. When people come over to my steam room. They are in for an experience they won't forget. Most people have not experienced full body vasodilation. Most people experience steam at gyms and spas and sit and wait for duty cycles. The reason you won't find most places with continuous steam is because there is not a temperature control for the public to use. If that was the case, every time someone went in the steam room, you would have one person turn it up to the highest temperature and the next person turn it lower. It would be an ugly situation if the wrong guy just turned it up and the next person turned it down.
Also, most gyms have single tank machines that have long duty cycles that allow elderly people to stay away from cardiac drift. The duty cycle allows the temperature to go down so people can get their heart rate down. Most people sit on the 2nd level seating in a steam room and are not in the 110 114 sweet spot zone. I bring my hygrometer in steam rooms and its either way over or way under. Thats why with some people stay in for 45 minutes and others they get in and get out quick. Also, with the single tank pressure cooker generators, if it does put you in the 110 114 zone, it usually won't be for long as the temperature fluctuates way more than 4 degrees during a long duty cycle with no steam.
I know a lot of people reading this think it's too complicated to keep the temperature at 110 114 degrees. All you need is a Kona fan (Amazon sells them) and a hygrometer (Amazon sells those too).
See my hygrometer page if you haven't already.
To stay in the 110 114 zone, if you get the wrong size generator or have tall ceilings with not enough fan power or your steam comes out with too much condensate or you have the worst to work with which is natural stone, I can still make the 110 114 zone happen but it can be tricky. I will try to get you there with all the skills I have in tweaking steam rooms. Take my steam quiz.
