For those more familiar with hvac systems in Houston, Texas with house
built in 1998, my daughter says at nite occasionally she hears drips
in attic. I know the secondary drain to the a/c evap. coils are near
her window but I am not using the a/c system now. I am using the
house furnace (heater) at nite and wonder if it has any condensation
that goes out the drain pipe??? I went in attic saw no leaks, water
or sounds. I even checked the ceilings too. I think she hears
something just not sure what. She says it only seems to appear at
nite so I'm thinking now a critter tho I saw no signs of holes in the
side of house or sounds in attic. I know it could be also on the roof
instead of the attic. I realize that I need to go into the attic when
she hears the sound.
I guess what I'm asking is do heaters throw off water from
condensation under normal operating conditions?
That is just plain wrong. Any of the modern condensing,
high efficiency furnaces which are common today produce water. It's a
product of combustion. It has to be drained
somewhere just like the condensate from an AC drain.
If the furnace is a condensing one, then that water could
be what is being heard.
I've heard lots of ducts make noise, but would not
characterize those as sounding like a drip.
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