When a contractor pitches “older refrigerant” air conditioning or refrigeration equipment, the sales pitch often leans on ...

Refrigerants used in air conditioners are changing … again. The last round of changes took place between the mid-1990s through 2010, as CFC and HCFC refrigerants were phased out and largely replaced ...

Federal rules that took effect in 2025 quietly rewired how new home air conditioners and heat pumps are built, yet many ...

In the late 1980s, those of us of a certain age became familiar with an international agreement called the Montreal Protocol. The goal of this agreement was the phaseout of ozone-depleting ...