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Posted by balboni on February 8, 2005, 12:14 pm
I recently had my basement finished and there were three hot water
radiators installed and hooked up to the existing boiler that heats the
radiators upstairs. Unfortunately, it's still 4 to 5 degrees cooler in
the basement than upstairs. This may or may not be due to the fact
that the radiators downstairs are not big enough. I think that the
radiators could in fact heat the downstairs if the boiler was on long
enough. I was wondering if there is a way to have two thermostats
hooked up to the boiler along with a valve that would put the boiler
and radiators in one of the following 4 situations:
1. Boiler on - downstairs and upstairs radiators receiving heat
2. Boiler on - downtairs radiator receiving heat, upstairs radiators
not receiving heat
3. Boiler on - downstairs radiators not receiving heat, upstairs
radiators receiving heat
4. Boiler off
I believe this would be called zoning. Is this possible?
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Posted by Mark on February 8, 2005, 12:20 pm
or you can put a fan in front of one of the radiators which will
effectively increase the size of the radiator.
Mark
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Posted by Heathcliff on February 8, 2005, 12:36 pm
Mark wrote:
> or you can put a fan in front of one of the radiators which will
> effectively increase the size of the radiator.
>
> Mark
I did that years ago when I had an underheated apartment. I just put a
regular window box fan blowing on the radiator and wired it using an
attic fan thermal switch. The switch was placed on the radiator and
would cause the fan to go on when the radiator temperature went above
the switch's set point, maybe 110 degrees or so. In other words,
radiator on, fan on, radiator off, fan off. Worked pretty well. Of
course you could work up a more elegant solution using a computer
cooling fan or some such. Having airflow on the radiator gets a lot
more heat out of it.
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Posted by Goedjn on February 9, 2005, 2:38 pm
On 8 Feb 2005 09:36:25 -0800, "Heathcliff"
>
>Mark wrote:
>> or you can put a fan in front of one of the radiators which will
>> effectively increase the size of the radiator.
>>
>> Mark
>
>I did that years ago when I had an underheated apartment. I just put a
>regular window box fan blowing on the radiator and wired it using an
Replace your radiators with a couple of these:
http://www.burnham.com/indirect/duorad2.cfm
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Posted by m Ransley on February 9, 2005, 6:09 pm
The problem with the Duo Rad is if he has large cast iron upstairs he
will have uneven heat, sure it will get warm but cast iron will radiate
heat for an hour, the Duo Rad stops when the pump and fan shut off. Best
is the same radiators as he has upstairs and proper btu output. Mix
output types and often a new loop , pump and thermostat are needed to
achieve a balance.
I have cast iron, someone remodeled a room took out the cast iron and
put in units similar to Duo Rad. Heat was bad always till we put back in
the original cast iron. Mix and you can Mess up. That is where a pro is
good to figure it right the first time.
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