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August 29, 2008, 01:56:57 PM
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karl
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« on: September 23, 2007, 10:50:23 PM »
First, the good news.  In spite of  title twenty four they are going to allow us to install the step warm floor as our primary heat source.  They said if we were doing new construction they wouldn't allow it, but since we're remodeling it was ok.  It still seems pretty arbitrary to me.

We're going to install ceiling fans for ventillation in the summer time, but I was wondering if it is helpful to have a fan that reverses for the winter months.   I know the radiant heat doesn't heat the air very efficiently, but we have high vaulted ceilings and i'm wondering if a fan blowing down would make any significant difference.
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Tim
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« Reply #1 on: September 24, 2007, 01:23:38 PM »
On the subject of cieling fans:  with our system, a cieling fan will do nothing to contribute to the effectiveness of the system.
Hot air rises, true.  To push it back down to our level instead of letting it hang out up on the cieling can be worthwhile, hence the cieling fan.  But our system makes heat, and heat doesn't rise, it radiates from its source. 
The only thing a cieling fan would do is create a breeze, or a simulated draft.  This would take away some of the things that makes our systems, and radiant heat in general, more comfortable than a forced air system.  For example, it may blow around allergens and the like, keeping them airborne and breathable instead of on the floor and vacuumable.
With STEP Warmfloor, your cieling fans are relegated to those times of year where you don't need heat.
Unless you like the breeze.
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