We have been a Specialty customer for over a decade. They are superb at standing behind their work. During our annual maintenance, they discovered an issue with leaking coolant in the heat pump. They sent out a senior tech/supervisor Matt, who assesssed damaged valves (that may have been associated with previous heat cail maintenance. They replaced the valves at no additional cost. This is a company with superb intellectual honesty who is proactive at supporting their customers.