I have a filter at the base of my air handler (in the garage). I have
an AC intake inside of my house. This intake does not have a filter and
is looking very dusty (the cover and duct inside). I was told by an AC
tech not to put a filter there because it would make the AC work too
hard - it was designed to have one filter. This does not make sense.
All the contaminants are getting into the AC ducts. If if most are
stopped by the filter at the air handler. Should I have a second filter?
No. Only one. The system is designed for the resistance
provided by ONE filter; not two. That said, you probably -could-
reloacte it, however, it you think that would help. But you
should not add a filter.
email@example.com> wrote in message
Seems to me that you could put a fine filter like a 3M Filtrete at the
furnace and a cheap fiberglass filter at the intake if you have a powerful
air handler. Newer systems have good air handlers if properly designed but
many systems have inadequate fans.
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