How Long Does a Boiler Last?
What Extends Boiler Life
Annual maintenance is the single biggest factor. A yearly service checks combustion, cleans key components, verifies safety controls, and catches small issues before they cause failure. Correct water treatment and an inhibitor in the heating loop prevent internal corrosion and sludge that damage the heat exchanger and pump.
Signs Your Boiler Is Nearing the End
Watch for rising gas bills, frequent breakdowns, noisy operation (banging or kettling), longer warm-up times, and visible corrosion or leaks. When a boiler over 15 years old needs a major repair, replacement is often the smarter investment — newer condensing models are significantly more efficient.
Wondering if your boiler is worth keeping? Get an honest assessment from HeatLand.
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Related Questions
Should I repair or replace an aging boiler?
If your boiler is over 15 years old and faces a major repair, replacement usually offers better value through improved efficiency and reliability. We provide an honest repair-versus-replace comparison.
Does servicing really extend boiler life?
Yes. Annual servicing keeps the boiler running safely and efficiently, prevents many breakdowns, and is often required to maintain manufacturer warranties.
What is the most common reason boilers fail early?
Lack of maintenance and untreated system water leading to internal corrosion and sludge are the most common causes of premature boiler failure.
HeatLand Heating & Cooling has installed and serviced heating systems across Greater Vancouver since 1999. All gas work is performed by TSBC-certified technicians. Information here is general guidance — contact us for advice specific to your home.