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 ...

Regulations to combat global temperature rise are driving the urgent need to move to low-GWP refrigerants. The United Nations International Panel on Climate Change (IPCC) has set ambitious targets: ...

Federal rules that took effect in 2025 quietly rewired how new home air conditioners and heat pumps are built, yet many homeowners are still being told half-truths or outright myths at the kitchen ...