SIOUX CITY (KTIV) - Winter is here. The cold air has set in. But it’s not too late to make sure your home is ready for the season.

One of the busiest times of the year for HVAC companies is when it gets cold and it’s time to turn on the furnace.

Most of us have likely turned on the heat, but did you check your air filter?

Now is a great time to install a new one.

One important thing to check, especially after it snows, is making sure your outdoor vents are cleared.

“A lot of furnaces today are high-efficiency furnaces that vent with plastic PVC out, almost like a dryer vent. So you want to keep those clean of snow and ice,” said Bruce Kalin of Kalin’s Indoor Comfort. “Also folks that have heat pumps, those are units that provide heat in the wintertime like an air conditioner does in t

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