i have got my HVAC installed two years back and since then to now , i have to complain atleast 12-15 times on various issues. The contractor changed the Handler, Copper pipes and compressor 3 times in the last two years. It's never ending saga and though I have not paid them anything for the last 2 years , I am loosing confidence on their system might break again as it was never working fine since installation. Looks like faulty installation or the contractor/service engineers are not competent enough to find a resolution. My family spend many days without AC in Florida climate due to frequent breaks of the system.
It sounds like all the problems have been repaired. There is nothing to do at this point until and unless something else happens. You should review the provisions of your warranty to determine when it will expire.
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Have an independent engineer examine and Determine if there is a problem an. If so why.
Then see a lawyer
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