Combi Boiler Cost Guide 2026

Equipment Costs by Brand

Different brands and models command different prices based on their features, efficiency, warranty, and origin. Here are typical equipment-only price ranges for the most popular brands:

• Navien: $2,500–$4,500 (equipment only) — installed $7,750–$11,000
• Viessmann: $2,800–$5,000 — installed $8,200–$12,000
• Bosch: $2,200–$4,000 — installed $7,500–$11,200
• Rinnai: $2,400–$4,800 — installed $7,500–$13,500
• Vaillant: $2,500–$4,200 — installed $7,800–$11,000
• Rheem: $2,000–$3,800 — installed $7,200–$9,500

Installation Cost Factors

The installation cost depends on several factors specific to your home. A like-for-like swap is the most affordable, while a conversion from a traditional boiler or tank system requires more labour and materials.

• Like-for-like swap: $1,500–$2,500 labour plus materials
• Conversion from tank+boiler to combi: $3,000–$5,000 additional
• Gas line upgrade (if needed): $500–$2,000
• New venting (PVC for condensing): $500–$1,500
• Permits and inspection fees: $200–$500
• Old equipment removal and disposal: $200–$500

BC Rebates & Incentives

FortisBC and CleanBC offer significant rebates for upgrading to a high-efficiency combi boiler. These can substantially reduce your net cost:

• FortisBC: Up to $1,000 for qualifying 95%+ AFUE combi boilers
• CleanBC: Up to $1,500 for ENERGY STAR certified condensing boilers
• Combined rebates can total $1,500–$3,000
• Must be installed by a licensed, program-registered contractor
• Pre-approval required — we handle the paperwork

Frequently Asked Questions