Most will last for 25 years, but given the strength of storms in recent years, we recommend that you call for an inspection after 20 years. We can provide this service and give you honest recommendations for repairs or replacement.
You should regularly inspect your doors and windows for things like chips and cracks, and test for drafts, especially after a storm. Look for moisture to see if rain leaked in. Replace items like worn-out weatherstripping. Weatherstripping blocks out air and water and improves insulation.