Chimney-“Clean and Inspect” creoste build up can lead to a chimney fire.
Gutters- “Clean and Check” (leaves can be a haven for pest/mold)
Roofing- Looked for damaged shingles and remove hanging branches over your phone.
Drain your water heater…(50% improvement on heaters efficiency
Check for drafts around windows and doors (apply weather stripping where needed)
Furnance all filters that are clogged with dust and debris.