—”The bells and whistles on the newer vehicles suck.”
IMO, EPA mandates mixed with competitive price pressure is a dangerous brew.
It changes faster than the best technicians can keep abreast.
Some jamoke reads about a ‘possible’ improvement, then they cram it down to’save the earth’.
MTBE sure save ... something... anything...pissed away a trillion dollars and uncounted environmental damage.
My wife and I installed a heat pump a few years ago. About the time we turned it on, it was announced that R410A, the lifeblood of the system, was being banned by the EPA, that approved it a few years before.
Save the Earth by tossing your heat pump in the dumpster!