The Home Inspector’s Early-Fall HVAC & Safety Check The Midwest Homeowner Survival Guide: Summer → Fall — Part 4 Check these 10 crucial furnace maintenance tips for Illinois homeowners to ensure a safe and efficient transition into fall. Stay prepared with Midwest Inspect's safety checklist. The worst time to discover your furnace doesn’t work is the exact same morning everyone else in Illinois discovers theirs doesn’t work. You know the morning. Yesterday it was 78°. Today i