Boiler Replacement Cost Calculator
Estimate Your Replacement Cost
Enter details to see your personalized estimate based on industry data
Estimated Cost: $0
Note: Costs based on 2025 national averages with typical installation complexity.
Key Takeaways
- Replacing a boiler typically costs between $3,500 and $10,000, depending on type, size and labour.
- Condensing and combi models are pricier up‑front but save up to 30% on energy bills.
- Professional installation adds 20‑40% to the hardware price; DIY can cut that but risks voiding warranties.
- Government rebates and utility incentives can shave $1,000‑$2,500 off the final bill.
- Plan for hidden costs: pipe modifications, system flush, and disposal of the old unit.
When it comes to heating your home, a Boiler is a sealed vessel that heats water to provide central heating and domestic hot water is the heart of the system. The moment you hear that clicking sound in the night or see a drop in water pressure, the question "Are boilers expensive to replace?" pops up. Below we break down the boiler replacement cost into real numbers, hidden fees, and ways to keep the price from blowing your budget.
