I purchased a Lennox air conditioner in May 2015. On May 1, 2018, the coil froze. United Heating, who sold me the unit, came out to diagnose the problem. It was determined my unit’s [evaporator coil] ...

“New ideas can come from anywhere, but we’re proud to say that most of our new ideas and product features come from the most important people in our organization — our customers and dealers,” said Tom ...