You can DIY this work, and gazillions of online how-to videos will, step by step, show you what to do. · Safety check: Test all your smoke, carbon monoxide and water-leak detectors. · Clear the air: Replacing air filters is the most important maintenance task for heating and cooling systems. · Deal with drafts to save a lot of energy: A few easy-to-do and inexpensive tasks can significantly cut your utility bills. · Free floor drains: In July, I got an expensive maintenance reminder when our basement flooded due to a clogged outdoor drain.

Source: Washington Post January 25, 2021 14:02 UTC