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Purchased two 3 ton three zone minisplits model MXZ-4B36NA-1 and it's been a nightmare ever since start up. <br /> <br /> Mitsubishi Tech support had my HVAC contractor replace one of the circuit boards after diagnosing the problem, that board shorted out too, then they had him replace the board again and this time also the fan motor, which they claimed shorted the board. Then the system would not produce sufficient cooling or heat, my tech contacted them, went over the refrigerant charge and pressures to confirm proper charge, still unable to achieve neither adequate cooling or heating, and compressor would make winding noises and then stopped working altogether. <br /> <br /> My technician has been waiting for three weeks for someone with authority to call him back to authorize his request to replace this 3 ton condensing unit, which has not happened. Even after multiple calls, the last one being yesterday, when Scott, the person handling the ticket assured him he would get a call yesterday,and attributed no one getting back to him to the Holidays. <br /> <br /> RESULTS: None. Mitsubishi did NOT call my tech yesterday, nor today. So, I called and asked to speak to someone in authority, and they told me to speak with Aron, which said all he could do is reach out to Scott and ask him to get a hold of my tech???<br /> <br /> CONCLUSION: Stay away from this grossly irresponsible company, I spent over $24,000 and have no heating and unable to use three areas of my home. Next stop, Corporate home office and hopefully they can avoid me having to take the next step.


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