{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:buyer-question:lennox-international-q224751-answer-3ddc4affcc2370eaf730","key":"buyer_question:lennox-international-q224751-answer-3ddc4affcc2370eaf730","kind":"buyer_question","slug":"lennox-international-q224751-answer-3ddc4affcc2370eaf730","canonicalUrl":"https://directory.readyscan.ai/corpus/buyer-question/lennox-international-q224751-answer-3ddc4affcc2370eaf730","machineUrl":"https://directory.readyscan.ai/discovery/corpus/buyer-question/lennox-international-q224751-answer-3ddc4affcc2370eaf730.json","datePublished":"2026-10-27","dateModified":"2026-10-27","materialFingerprint":"fnv1a64:5fb8873979b1d52a","membershipFingerprint":"fnv1a64:124b2847bc97739a","relatedEntitySlugs":["lennox-international-q224751"],"relatedSurfaceKeys":["buyer_question:lennox-international-q224751-answer-239838f4df72317bc503","buyer_question:lennox-international-q224751-answer-23d3d90d194161aa372c","buyer_question:lennox-international-q224751-answer-8c38f947a9db0ae01426","evidence:lennox-international-q224751"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"lennox-international-q224751-content-0d8063beb916958b-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q224751","sourceRevisionId":"Q224751:content:4ba79f24517d9f38","sourceContentHash":"fnv1a64:c446a18b3596d29c","recordRevisionId":"Q224751:content:4ba79f24517d9f38","recordContentHash":"fnv1a64:f67cd1e1bab5880e","sourceCanonicalUrl":"https://www.lennox.com/","sourceModifiedAt":"2026-10-27T06:00:24.736Z","observedOn":"2026-10-27","permission":{"basis":"public_information","evidenceUrl":"https://www.lennox.com/"},"attributionUrl":"https://www.lennox.com/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"How long should an HVAC system last?","summary":"Cited source answers across 1 active corpus record.","question":"How long should an HVAC system last?","answers":[{"entitySlug":"lennox-international-q224751","entityName":"Lennox International","answer":"“Most central air conditioning systems are built to last 10 to 15 years with regular maintenance. If your system is older than this, it is likely running on outdated refrigerant and operating below its original efficiency, costing you more in energy bills and repairs.”","sourceUrls":["https://www.lennox.com/residential/support/faqs/"]}]}