I'm trying to find air filters for a Carrier model 58DHB055-CC. Evidently
there are supposed to be two filters that sit in the return-air plenum above
the blower in a V configuration. Is there a part number for this filter?
Perhaps a larger filter that can be cut down to size? I haven't been able to
find any information about this furnace on the internet. I don't even know
how old this furnace is. Presently, the furnace is running without any
filters at all. (Is this a terribly bad thing to do?).
This furnace was produced from 1984 - 1998 and this filter is a "field
supplied" item. If you do not have a filter, your indoor blower and motor
will become clogged with dust bunnies. These intern will plug up air holes
in the motor, and clog the blower wheel reducing performance. If you have
air conditioning, it'll even be worse. The indoor cooling coil will [which
already would be] become clogged as well. Check to see if the return grille
is hinged, and can house a filter.
Take a tape measure. Turn the electric off to the heater. Open the back
door. Measure the width of the inside compartment. Measure the height of one
of the brackets that are spot welded to the compartment. You should come up
with some standard size (with no fractions of an inch). Do not use the kind
you cut to size. Get ones with a cardboard frame, and get the cheap kind. Do
NOT get those pleated high-efficiency kind.
Running without filters is good for the HVAC service industry, motor
manufacturers, and doctors. If someone in the home has allergies, call an
HVAC contractor for a price on an electronic air cleaner.
Take a tape measure. Turn off the electric to the heater. Open the back
cover. Measure the width of the compartment. Measure the height of one of
the brackets that are spot welded to the inside of the compartment. You
should come up with some type of standard size (with no fractions).
Buy a case of the cheap kind with a cardboard frame. Do not use the kind you
cut to size. They will fall into the blower unless you know how to properly
reinforce them. Do not use those pleated high efficiency ones.
Running a heater without a filter is good for the HVAC service industry,
motor manufacturers, and doctors. If someone in your family has allergies,
call an HVAC contractor for an estimate on an electronic air cleaner.
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