Arrived on site for a no heat. We found a 2006 trane furnace controlled by an ecobee. Upon arrival the thermostat was completely off and unresponsive. We crawled through the crawlspace and discovered some low voltage wires at the control board weren’t making good contact so I reseated them tightly and conducted a thorough safety and performance inspection of then equipment. We found some major concerns that we documented thoroughly. I discovered 4 different breaches at the heat exchanger, compromising the safety of the furnace. We discovered the blower wheel was heavily impacted with dust, dirt and debris. The blower motor was leaking a lot of oil and the bearings were failing. The igniter was out of tolerance and the system had no secondary drain pan. We quoted all recommended repairs but offered to have a comfort consultation next Saturday to have all the numbers/options in front of us before making that sizable of an investment into equiptment well beyond its life expectancy. The fu