Mark Royce <rmroyce@...> wrote: "I've been a fan of radiant heat for 
years."
But Mark, no forced convection is required for radiant heat.  It 
doesn't need a "fan"!   
BA-DUMP BUMP!
It's pun-tastic!  Thank You. Thank You.  Please tip your waitress.
Oohhhh I hear the groans cascading down upon me.  Hey!  Who threw the 
tomato?  Tough crowd! Tough crowd!  I'z tells ya.  I gets no 
respect!  (My Rodney Dangerfield tribute, RIP.)
You've hit upon the single biggest drawback to all radiant heating 
systems.  They don't naturally transition to A/C.  Pumping cooling 
fluid through typical hydronic radiant heating systems will create 
condensation problems leading to all kinds of other moisture 
difficulties.  Cooling a radiant floor in a humid climate is asking 
for a floor pond.  Fun for kids (and some of us child-like adults) to 
splash in on a rainy day, but not fun to live in.
Some of the newer modern A/C units don't use ducts at all.  These 
systems cool fluid in a central unit and pipe it to various heat 
exchangers around the house.  Each small exchanger is equipped with 
its own seperate thermostat and small fan.  Each exchanger is equiped 
with its own condensation collector.  Its kinda like having a small, 
very quiet, window air conditioner in each room, without needing to 
put it in a window.  The noisy compressor is located outside.  These 
need not be the eyesores that most people think of when they envision 
typical window A/C units.
I know this.  Installing ductwork is a major hassle for a do it 
yourselfer that doesn't know all the tricks and have the right 
tools.  (the vast majority of us)  I'd rather run pex pipe any day.  
Sooooooo much simpler.  My daughter helped me run pex when she was 
10.  (I still remember her hula hoop style tubing dance.  "C'mon Dad 
You Try."  Oh the humanity!  My hips and spine don't move like that!)
--- In papercreters@yahoogroups.com, Mark Royce <rmroyce@...> wrote:
>
> I've been a fan of radiant heat for years. The one
> thing that has always concerned me was, how do you
> deal with the A/C.  This last two years we have the
> A/C on twice as much as the central heat.
> If you put the heat in the floor, do you still have to
> run duct work for A/C?
> Mark
> 
> 
>       
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