Here’s the thing about Houston winters: they’re mild compared to up north, but they’re also unpredictable. One week it’s 80°, the next week you’re wondering if the pipes will freeze. That constant up-and-down has Houstonians running their HVAC systems in weird patterns — heat in the morning, AC by afternoon. It’s also when energy efficiency myths start circulating faster than the neighborhood group text about the next cold front.

Big refrigerant changes are coming in 2025. Learn how the EPA’s new HVAC rules affect Houston homeowners and what to do before costs rise.