HeatingSeasonPrep1 How to Ventilate and Improve Air Quality Before Turning on Heating As the weather cools, indoor air can start to feel heavy or musty. Opening windows briefly and cleaning filters can make your home feel fresh again.🏠 The first day of heating season often comes with that musty smell — and sometimes a sneezing fit.Before you turn on the heat, taking a few steps to refresh the air can make your home healthier and more comfortable.Here’s how to prepare your space .. 2025. 11. 12. Previous 1 Next