Absolutely NO. I am sorry to say that many people like to lie about stuff that you dont know about and EXTORT money from you.The refrigerant contains oil which moves through the system with the refrigerant and a leak in the coil is very rare unless hit with a lawnmower or such. Also a leak can be repaired but ther is no profit in it and it takes time.I am an HVACRR Tech, 15 years and have heqard it all. You are welcome to contact me and I want to have the Tech. (supposed) clarify it to me!!! I will give you my phone number to have him call.
]]>It doesn’t sound like they know what is incorrect so they are making something up. There is not going to be anything in the water to hurt the coil. If there was it would kill grass and everything else. My guess is that someone has done a terrible job of installing the unit. You should contact trane about it. The unit should be under warranty. For a step by step troubleshooting guide check out the air conditioner page at my source.
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