Unfortunately, Verde Sol-Air is not as good as they used to be when it comes to geothermal units. They installed our unit and we've used them for maintenance ever since. For the past 2 - 3 years they really haven't had any technicians on staff who were trained and experienced in this area. The last technician we had was extremely courteous, but he spent most of his time on the phone back to the owner trying to diagnose our issue. I don't know if there's training the owner can seek out for his employees, but it would be a good investment in the future of the company.
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