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  1. #40
    Join Date
    Jul 2006
    Location
    Anytown USA
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    2,055
    The reasons we use pressure washers are because most of the buildings we service dont have water near by. At the end of 200,300 or 500 ft of hose, there is no pressure, so a pressure washer does the trick.. Its also great for the thicker coils, some units have coils that are more than 4" thick with a high fin per inch count . I find it hard to believe you're getting through that coil without a pressure washer. If some of you are, you must have pretty damn good water pressure, cause we sure dont at most places..

  2. #41
    Join Date
    Sep 2002
    Posts
    2,719
    The Washer we use can draw from a bucket,you can not run garden hose through peoples
    Office space!

  3. #42
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,925
    Quote Originally Posted by coolperfect View Post
    The Washer we use can draw from a bucket,you can not run garden hose through peoples
    Office space!
    At one location with apartments above the store, I dropped hose off the side of the building until I reached a vacant unit, and ran it in the sliders on the mini balcony, with the building super's help!


    It was 8 stories from the store to the big Lennox RTU's.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  4. #43
    Join Date
    Sep 2002
    Posts
    2,719
    I also have a hose reel special for hi pressure,and about 150ft of hi pressure hose.I can leave the washer in one place and do coils all over the job I just carry the gun.Any one who is not selling power wash jobs is making a big mistake,good for us good for the customer.you can't charge for doing some BS job with a garden hose.

  5. #44
    Join Date
    Dec 2010
    Location
    Somewhere in Cali
    Posts
    172
    Never use a pressure washer please. First brush off any dirt or debris on face of the coil than apply coil cleaner and wait for about 5 minutes. Than apply city water pressure the would do the trick.

  6. #45
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    17,925
    Quote Originally Posted by aixha1969 View Post
    Never use a pressure washer please. First brush off any dirt or debris on face of the coil than apply coil cleaner and wait for about 5 minutes. Than apply city water pressure the would do the trick.
    This MIGHT apply to residential.

    All others would do well to ignore that guidance.

    Sorry.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  7. #46
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    17,925
    Quote Originally Posted by coolperfect View Post
    I also have a hose reel special for hi pressure,and about 150ft of hi pressure hose.I can leave the washer in one place and do coils all over the job I just carry the gun.Any one who is not selling power wash jobs is making a big mistake,good for us good for the customer.you can't charge for doing some BS job with a garden hose.
    We are regularly called upon to clean coils that another contractor said had been cleaned.

    When I see these coils, it is obvious that a powerwasher was NOT used.

    In fact, they usually skip splitting the coils, as well.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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  8. #47
    Join Date
    Jul 2006
    Location
    Anytown USA
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    2,055
    Quote Originally Posted by timebuilder View Post
    In fact, they usually skip splitting the coils, as well.
    Thats the biggest thing right there, splitting the coils..

    If you're on a service call and dont have enough hose to wash the coil, go and split the coils, and blow out the carpet of crap with Co2. That will get them by till the pressure washer can get on site to finish the job.

  9. #48
    Join Date
    Sep 2002
    Posts
    2,719
    The one thing we did not talk about,where are the coils located,the run cycles,car and truck traffic.I have coils on 5th ave NYC makes a big difference

  10. #49
    Join Date
    Nov 2006
    Location
    Southeastern Pa
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    17,925
    Quote Originally Posted by coolperfect View Post
    The one thing we did not talk about,where are the coils located,the run cycles,car and truck traffic.I have coils on 5th ave NYC makes a big difference
    Down in the Village or uptown?
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  11. #50
    Join Date
    May 2004
    Location
    Rapid City, SD
    Posts
    7,414
    Quote Originally Posted by coolperfect View Post
    The one thing we did not talk about,where are the coils located,the run cycles,car and truck traffic.I have coils on 5th ave NYC makes a big difference
    I take care of a building that's 50' from a set of railroad tracks. Thankfully not a whole lot of traffic on them, but I'd guess a couple trains a week. The guy before I don't think did much for coil cleanings other than blowing them out with CO2. Should be a lovely job when I tackle them this spring.
    "If you call that hard work, a koala’s life would look heroic."

  12. #51
    Join Date
    Sep 2002
    Posts
    2,719
    Just thought of a job we had years ago,the laundry room in a hotel that was the worst.

  13. #52
    Join Date
    Sep 2002
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    2,719
    Quote Originally Posted by timebuilder View Post
    Down in the Village or uptown?
    At oue time or another from 125th. st. to 12th. From the super rich to the poor,from computer rooms to pizza shops.No different than you get to do it all

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