⭐⭐⭐⭐⭐ Mike from Dyno is the best! Scheduled appointment; came on time. I was notified by text that he was on his way. He Changed my thermostat with no issues. He bought it for me and gave me a discount! Very reasonably priced. I have a contract with Dyno so I got 10% off service calls. I will recommend him to everyone! Thanks Mike! - Joan Lewis