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 ...

One breakdown of the 2025 refrigerant phase out notes that the EPA started enforcing major new rules in July 2025 that effectively ban new R‑410A systems, and that R‑410A will become harder to find ...