Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Biasi
Head to Head
Boulter Bonus 65/95
Boulter • 83.5%
Both Boilers
Available FREE through ECO4 scheme
Boulter Bonus 65/95 leads with 83.5% efficiency, providing better performance and energy savings.
Both Biasi 28S and Boulter Bonus 65/95 are available at no cost through the government ECO4 scheme. Take the next step today.
✓ Government Approved Scheme ✓ No Hidden Costs ✓ Professional Installation ✓ Energy Efficient