1. Your Furnace Is Over 15 Years Old
The average furnace lifespan in Calgary is 15-20 years. Newer models are significantly more energy-efficient.
2. Rising Energy Bills
If your heating costs keep climbing despite consistent usage, your furnace is likely losing efficiency.
3. Frequent Repairs
If repair costs exceed 50% of the cost of a new furnace, it is time to replace.
4. Uneven Heating
If some rooms are warm while others stay cold, your furnace may be struggling.
5. Strange Noises or Yellow Pilot Light
Banging, squealing, or rattling noises suggest mechanical problems. A yellow pilot light can indicate a carbon monoxide risk.