Does a new air handler have to be installed with new duct work
We need to install a new cac system, but are planning major renovation
to our home next year. Unfortunately, our cac compressor isn't goint
to work for the upcoming winter. We would like to install a high seer
system, but were told we would need a new air handler.
Seems to me that a GOOD hvac man can put in a system with a variable speed
fan in the air handler and use the existing duct work. It may make a
little more noise than with the proper ducts but you will get most of the
efficiency you want.
It would take a GROSS mis-design of the duct work to "damage" the system.
I agree. I should have taken my answer further and indicated that the
specific situation needs to be examined by a GOOD HVAC professional. Of
course it does not take much of a sizing error to cause poor performance.
I have been looking into replacing my a/c unit. Garage ceiling mounted air
handler and compressor outside. Noisy as,,,,,, well you get the idea.
Every site and every contractor I have checked, 20 odd. Says the same thing,
the compressor, high seer MUST be matched to the air handler. Which means if
your changing from a 10 to a 12 why bother. If like me changing from a 10 to
a 14 why would I not get the max out of the compressor. Sort of like having
a race car and putting low end tires on it, then expecting it to handle
email@example.com (ADEL) wrote in message
Can you clarify? When I see "compressor" and "winter" I think heat
pump, not straight A/C. If so, can you run emergency heat, portable
electric heaters, or perhaps kerosene next winter? Basically, hold off
until you can put a complete new system in. Otherwise, you'll become
well-acquainted with the concept of "time and material." Additionally,
it's usually a really bad idea to run an HVAC system during
construction. Better to trash the old system than a new one.
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