Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Boulter
Head to Head
Fontecal Corolla 30 P
Fontecal • 89.3%
Both Boilers
Available FREE through ECO4 scheme
Fontecal Corolla 30 P leads with 89.3% efficiency, providing better performance and energy savings.
Both Boulter Bonus 40/65 and Fontecal Corolla 30 P 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
