Musty smell, should I clean coils first?

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Old 03-09-17, 01:57 PM
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Musty smell, should I clean coils first?

My hvac unit has a musty smell when I turn on the heat or ac for a few minutes then the smells goes away. I changed the filter and that did not fix the issue. Should I clean the coils next before I call in a HAVC tech?

I have a Carrier 58PHA/PHX PERFORMANCEt BOOST 80
4 ---WAY MULTIPOISE
INDUCED---COMBUSTION GAS FURNACE installed in 2013
 
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Old 03-09-17, 03:55 PM
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My hvac unit has a musty smell when I turn on the heat or ac for a few minutes then the smells goes away.
I would consider that normal.

Is there any water hanging around in the condensate pan ?
 
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Old 03-09-17, 06:13 PM
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s there any water hanging around in the condensate pan ?
Bingo, if there is a drain pan the does not drain it likely has some crud growing, pull out, clean and soak in bleach. Water drips off coils but does not collect like the pan!
 
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Old 03-10-17, 06:29 AM
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What do I pull out the primary or secondary pan?

Last time I checked there was not water in the primary pan. Maybe there may be some water in the secondary pan but I would have to open the seal to the coils. The HVAC tech did recently install a splash guard.
 
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