Should I try to clean the A/C coils myself?

Discussion in 'HVAC Heating & Cooling' started by riker1384, Oct 28, 2008.

  1. riker1384

    riker1384 New Member

    Messages:
    22
    Location:
    Virginia
    The coils on the indoor part of our air-conditioning/heat-pump system are dirty. Is this something I should try myself? I'm any sort of professional. Some sites say I could do it myself, some say it should be left to experts.
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,937
    Location:
    New England
    If you do it yourself, you may want to invest in a fin comb to straighten any bent fins.
  3. Bill Arden

    Bill Arden Computer Programmer

    Messages:
    584
    Location:
    MN, USA
    A garden hose works well, but you have to make sure to shoot straight in or it will bend fins.
  4. burleymike

    burleymike New Member

    Messages:
    118
    Location:
    Idaho
    I usually use a pump up sprayer with some coil cleaner. You will be just fine with just plain water. If you don't have a pump sprayer you can use the garden hose just dont hit it with a lot of water. You don't want to get the blower or anything else wet. Also make sure your condensate drain does not plug up with the crud.
  5. Southern Man

    Southern Man DIY Hillbilly

    Messages:
    530
    Location:
    North Carolina
    This is an inside evaporator guys, not the outside condenser. A garden house will create a wet mess.

    Most manufacturer's will tell you what type of brush to use to clean the coils dry. If you can't locate the manual that came with the unit then Google "condenser brush" and looking at your unit and accessibility figure out which type will work best for you. Keep the shop vac going to catch the dust because it's very fine and irritating.
  6. Redwood

    Redwood Master Plumber

    Messages:
    7,450
    Location:
    Connecticut
    I use the same method Burley Mike described.

    Garden House?

    I'll assume that you added extra letters to "hose"

    Maybe an engineer would make a mess with a hose, but, most of us would know to be careful and make sure the condensate drain is not plugged.
    Last edited: Nov 10, 2008
  7. Southern Man

    Southern Man DIY Hillbilly

    Messages:
    530
    Location:
    North Carolina
    Yes I meant garden hose, not house. A garden hose would create quite a mess inside a residential house, but would probably be manageable inside a garden house. Although I have yet to see a garden house with AC.

    I appreciate your exactness kind sir. :)
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