# Lennox International > “Explore Lennox climate-control solutions for residential homes, commercial buildings, commercial services, and OEM HVAC parts & supplies. Built for every environment since 1895.” - Canonical entity: https://directory.readyscan.ai/entities/lennox-international-q224751 - Website listed in the source snapshot: https://www.lennox.com/ - Category: [Businesses](https://directory.readyscan.ai/directory/businesses) - Machine record: https://directory.readyscan.ai/discovery/entities/lennox-international-q224751.json - Material fingerprint: fnv1a64:b9d5b0b97d4891f9 - Entity revision: fnv1a64:3c77413d37b63338 - Published: 2026-10-27 - Modified: 2026-10-27 ## Questions & answers ### [How long should an HVAC system last?](https://directory.readyscan.ai/entities/lennox-international-q224751#company-answer-content-native-digital-agencies-d72b4da41164f723-a-3ddc4affcc2370eaf730) “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 If your system is older than this, it is likely running on outdated refrigerant and operating below its original efficiency, costing you more in energy bills and repairs.” Sources: https://www.lennox.com/residential/support/faqs/ ### [What warranties come with a new HVAC system?](https://directory.readyscan.ai/entities/lennox-international-q224751#company-answer-content-native-digital-agencies-d72b4da41164f723-a-239838f4df72317bc503) “The Lennox basic warranty covers the heat exchanger for 20 years and the compressor and components for 5-10 years depending on the specific model. Coverage can be extended with product registration, including the option to choose three years of labor coverage at no additional charge.” Sources: https://www.lennox.com/residential/support/faqs/ ### [How much does a new HVAC system cost?](https://directory.readyscan.ai/entities/lennox-international-q224751#company-answer-content-native-digital-agencies-d72b4da41164f723-a-8c38f947a9db0ae01426) “Several variables shape the overall scope and investment of a new HVAC system, including the size and demands of your home, the type of equipment selected, the condition of your ductwork, and the complexity of installation.” Sources: https://www.lennox.com/residential/support/faqs/ ### [Should I repair or replace my HVAC system?](https://directory.readyscan.ai/entities/lennox-international-q224751#company-answer-content-native-digital-agencies-d72b4da41164f723-a-23d3d90d194161aa372c) “Many factors can impact whether your system is ready for replacement, such as the age of your equipment, how efficiently it performs, the cost of repairs, and your interest in stepping up to more advanced and environmentally-friendly technologies. Your Lennox Pro will help you assess these factors and walk you through your options.” Sources: https://www.lennox.com/residential/support/faqs/ ## Company sources - [Lennox International website](https://www.lennox.com/) — lennox.com · [Related Ready Scan knowledge](https://readyscan.ai/sources/source-d72b4da41164f723) - [lennox.com/residential/support/faqs/](https://www.lennox.com/residential/support/faqs/) — lennox.com · [Related Ready Scan knowledge](https://readyscan.ai/sources/source-2322c1e2c74968dc) ## Continue reading - Discover the bounded graph: https://readyscan.ai/api/v1/ai-search/discovery - Retrieve this entity evidence: https://readyscan.ai/api/v1/ai-search/entities/lennox-international-q224751/evidence ## Publication boundary - This public-sourced record brings together company information and its sources. It is not an owner-managed profile. - Publication does not guarantee crawling, indexing, training inclusion, citation, recommendation, referral, or revenue.