Life here in the Lone Star state is pretty sweet, you gotta admit. Take our mild winters for example. They’re enough to make the poor folks up North green with envy, especially in the middle of February. Still, right now is a great time to think about Austin heating repair services. After all, it only takes one bout with cold weather to turn a sunny disposition into a frozen scowl. With that in mind, here are 10 heating system tips that everyone should implement, especially as the air turns brisk and the days grow short: Check your filters: A dirty…