how do I clean coils inside heat and a/c unit


Old 11-24-02, 02:14 PM
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how do I clean coil fins inside heat and a/c unit

I live in Fl. my furnace looks dirty on the coils inside the unit. I tried to Vac. the fine blades, are these blades or fins, the dirt seems to be stuck, like mold and dirt combined. How do you clean these vent/coils/fins? Is there a tool or a chemical? I dont want to bend those coil/vent blades.
Thank you for your help,
Dirty in FL

Last edited by hugepinky; 11-24-02 at 04:40 PM.
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Old 11-24-02, 03:51 PM
hvac4u's Avatar
Join Date: Aug 2001
Location: NW atlanta
Posts: 3,147
my 2 cents

buy some spray on coil cleaner (be sure its for the evap coil) and spray. let set, remove residue with soft plastic hair brush. rinse with clear water, use a sprayer for this.

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