2 year old system Evaporator Coil failure

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Old 05-25-13, 09:36 AM
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2 year old system Evaporator Coil failure

I have a 2 year old home which is a second home so I have had limited use of it. Started up my AC only to have it blow room temp air. I called the HVAC contractor who told me my evaporator coil was leaking and I need a new one. Good news, covered by manufacturer warranty. Bad news labor and consumables are $1762 for installation.
What causes a fairly new Ecoil to fail? Last summer after complaining of poor second floor cooling, the builder, Ryan installed a Honeywell electronic system for zoning on all buyers who bought my model. Could this have any impact on failure of Ecoil? Does the system a Comfortmaker AC unit, support this time of dual thermostat control? Im trying to educate myself on this product and how it all works. Thanks for any 411.
 
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Old 05-25-13, 09:44 AM
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The zoning should not have an impact on the coil. On the other hand, 1700 bucks sounds extremely high for a "warranty" coil exchange. No way labor and consumables (what are they?) should be that high.
 
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Old 05-25-13, 10:23 AM
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That's over double what it should cost.

Find another contractor.

How was the leak in the coil found?
 
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Old 05-25-13, 10:34 AM
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If it's been barely used, more likely it was an install problem originally. Slight leak when making up the connections or damage incurred during install.
 
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Old 05-25-13, 12:05 PM
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Freon would be considered a consumable.
 
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Old 05-25-13, 12:17 PM
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As well as solder, flux, acetylene, nitrogen, etc.
 
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Old 05-25-13, 03:25 PM
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Yep, call around that price for a warranty coil screams rape!
 
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Old 05-26-13, 06:47 AM
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That price, depending upon the working conditions (attic or crawlspace), is not completely out of the ball park. Call around and get quotes. The problem may be finding a different contractor to do it in warranty if they are not a Comfortmaker dealer. Prices vary by location and contractor.
 
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Old 05-27-13, 11:17 AM
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Shouldn't need to replace a 2-year old coil; no way!
Probably a bad braze job or leaking mechanical connections.

Since leak is on the low side, moist air may have got drawn into the system; will need a total system evacuation. What a shame...!
 
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Old 05-27-13, 11:27 AM
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Just because it shouldn't be leaking does NOT mean to that it is not leaking there.
 

Last edited by hvactechfw; 05-27-13 at 06:02 PM.
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Old 05-27-13, 06:00 PM
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I would agree the price quoted sounds crazy. Labor prices in DE, as small as it is, vary widely but you should be able to get the job done for 1/2 what you were quoted unless there's something which makes the job extremely difficult.
 
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Old 05-31-13, 08:50 AM
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Exclamation Premature Failure

This happens often, unfortunately. These are just machines and they will fail at times. The price is on the high end but still in range. Some companies cost more due to their individual guarantees and level of service they provide. Good luck to you!
 
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Old 06-02-13, 06:28 AM
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Well to break it down they are probably charging for 2 guys, about 6 hours at about $150 per. So yeah right about $1800 in labor. Maybe 5 hours and somewhere in the $200 range for consumables. That's not including the refrigerant which is probably in the $20-30/lb range. Realistically its probably 5 hours, 2 guys. $200 in refrigerant, $100 in consumables.
 
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Old 06-02-13, 05:17 PM
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Well folks, in the 25+ years I've been in the trade, I can only think of a couple of instances where I've needed a second person to help change an evaporator coil. The thought of 5-6 hours to do such a job seems just plain nuts to me. The average evap coil change should be in the 2-3 hour range. That includes recovery, removal, re-installation (w/nitrogen purge), pressure testing, evacuation, re-charging with refrigerant, test running, ect, etc.
Labor rates in my part of DE are normally $75-100/hr for a tech & 1/2 to 2/3 that for a helper.
 
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