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Old 08-06-2008, 10:46 PM   #16
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go from hot water heating to forced air


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Originally Posted by Wildie View Post
Its said that h/w heat is more even. The problem is ducting for a/c.
There's no reason that that you can't have both.
My brother-in-law had an old h/w system that needed to be replaced, so he opted forced air heating with central a/c.
I use a programable thermostat and have it set drop back a couple of degree's at night.
We like it cooler at night.
Is this an option with h/w heating?

You can have programmable thermostats with hot water heat. A friend has programmable thermostats with hotwater heat which he can monitor and reset over the internet.
You have to have ducting AND some type of piped radiation. Ducting for central a/c and either radiant floors (Pex in a poured slab is most efficient, it can run at 120 degrees), radiators or baseboard. I've heard of hot water heat exchangers inside the ducting, and even though it may be a good application in a few circumstances, I doubt if it is as efficient as the other hot water configurations. I really don't know, I've never looked in to it. Where I live is dry and hot in the summer, so I opt for a swamp cooler, which is more efficient (I think) than central a/c. Also, in my case in an older home, I've had to retrofit baseboard radiators and plan to run them at 150 degrees at the coldest 0 degree design day. The modulating/condensing boiler with an outside temperature sensor will automatically reduce the maximum 150 degrees down to a lower more efficient temperature when it is not as cold outside.

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Old 08-07-2008, 04:47 PM   #17
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go from hot water heating to forced air


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Originally Posted by Mike Warner View Post
You can have programmable thermostats with hot water heat. A friend has programmable thermostats with hotwater heat which he can monitor and reset over the internet.
You have to have ducting AND some type of piped radiation. Ducting for central a/c and either radiant floors (Pex in a poured slab is most efficient, it can run at 120 degrees), radiators or baseboard. I've heard of hot water heat exchangers inside the ducting, and even though it may be a good application in a few circumstances, I doubt if it is as efficient as the other hot water configurations. I really don't know, I've never looked in to it. Where I live is dry and hot in the summer, so I opt for a swamp cooler, which is more efficient (I think) than central a/c. Also, in my case in an older home, I've had to retrofit baseboard radiators and plan to run them at 150 degrees at the coldest 0 degree design day. The modulating/condensing boiler with an outside temperature sensor will automatically reduce the maximum 150 degrees down to a lower more efficient temperature when it is not as cold outside.
I'm unfamiliar with the term "swamp cooler'. Would this be a condenser that is lain in a swampy area?
Are these Fahrenheit temperatures?
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Old 08-07-2008, 10:26 PM   #18
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go from hot water heating to forced air


Look up swamp cooler on the internet. Fahrenheit.
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Old 08-07-2008, 10:31 PM   #19
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go from hot water heating to forced air


If it were Celsius then that convert into 302 degrees fahrenheit. I mean no offense, but do a little of your own homework.
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Old 08-07-2008, 11:09 PM   #20
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go from hot water heating to forced air


Merci beucoup! Mike! I hope that you won't offended that I'm offended.

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Old 08-08-2008, 01:51 PM   #21
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go from hot water heating to forced air


I thought those things went out in the 70's.
nothing like adding humidity to the air to cool off , ahhh nice and clammy
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Old 08-08-2008, 02:07 PM   #22
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go from hot water heating to forced air


Nope, still around and going strong. If you live in a dry climate, they are the right type of cooling, not for everyone or every climate for sure!
I now live in Southern Missouri, and a swamp cooler (evaporative cooler) would probably drown you!
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Old 08-08-2008, 07:57 PM   #23
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go from hot water heating to forced air


Sounds to me as if a 'swamp cooler' would be a wonderful source of 'Legionaires Desease' if it were not maintained properly!

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