As 197 nations agreed this week to ban refrigerants that worsen climate change, the air conditioning industry is going to have to stop using the types of delaying tactics commonly associated with the fossil fuel and tobacco industries.

Indeed, it is time for the HVAC industry to start shouldering its responsibilities to mitigate climate change and move away from fluorocarbon based refrigerants. It’s little known by many and little admitted by those in the know, but most of the new generation ozone friendly refrigerants have horrendously high greenhouse…