A boiler generally lasts 10 to 20 years, depending on type, usage, and maintenance.
Average lifespan of a boiler
- Conventional boiler: 10–15 years
- Condensing boiler: 15–20 years
Modern systems are usually more efficient and longer-lasting.
What affects how long a boiler lasts
- Water quality
- Maintenance schedule
- Usage demand
- Installation quality
Annual servicing is critical.
Signs a boiler needs replacing
- Frequent breakdowns
- Rising energy bills
- Inconsistent heating
- Unusual noises
Older boilers often lose efficiency.
How to make a boiler last longer
- Schedule annual servicing
- Maintain proper pressure
- Address small issues early
Regular maintenance extends life.
When replacement is necessary
If major components fail after 15+ years, replacement is often more cost-effective.
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