Completed with no cool on a 2016 Lennox merit 3.5 ton gas horizontal in attic out of warranty. Upon arrival found unit cooling, found ecm blower motor shaking on start up showing sings of failure, compresor start up amps very high already meling wires outside. Giving customer the option to do all preventative repairs, minimum repairs or complete unit upgrade. Customer approved to add compressor saver to help compressor for and will think about replacing unit.