BALTIMORE — This week, the temperatures started dropping, and the wind made it feel even worse.

WATCH: How to stay warm as it gets cooler How to stay warm as it gets cooler

So, as you rush to crank the heat up in your homes, Shawn Dehart with Comfort Systems has some tips you need to hear.

He said no matter what kind of heat system you have, you have to do preventative maintenance.

He knows you want to turn the heat off when leaving your homes, but says that can do more damage to the heat pump and to your wallet.

"Pick a temperature and leave it. If you can be more comfortable at a lower temperature, then each degree you lower your thermostat's gonna save you," Dehart said.

He told WMAR 2 News that smart thermostats also help with regulating temperature when you leave your homes.

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