Ventilation for spa / hot-tub

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intrepid27

Well-Known Member
Oct 9, 2006
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Marion, IA
Doing some remodeling and we are planning to build a small ( 12X10) room for a spa. It will also be a smaller spa (3-4 person capacity). Looking at ventilation options.

Anyone had any experience with this type of set up? Can I use a large bathroom fan (130 CFM or so)?
Also I see there are some with automatic humidity sensors. Any one try those?