Why Your AC Runs Longer During California’s Marine Layer (May Gray) — and What You Can Do About It
May Gray in Southern California brings cooler mornings, overcast skies, and a break from direct heat. On paper, that should mean less demand on your system. Yet many homeowners in Burbank notice the opposite. Their AC seems to run longer, even when temperatures are lower. The reason comes down to how your system responds to moisture, airflow, and indoor comfort. Cooler Air Does Not Always Mean Less Work During the marine layer, outdoor temperatures drop, but humidity levels rise. Your system is not just cooling air. It is also pulling moisture out of it. That process takes time. Instead of short, powerful cooling cycles, your system may run longer to gradually remove humidity while maintaining the set temperature. The air may already be cool, but until the moisture is reduced, it does not feel comfortable inside. Humidity Changes How Your Home Feels When indoor humidity climbs, the air starts to feel heavier. Even at the same temperature, it can feel warmer than it actually is. This is where many homeowners make a costly mistake. They lower the thermostat to compensate. The cooling system responds by running longer, not because the house is hot, but because it is trying to hit...
View Article Read More
