Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Boulter
Head to Head
Fontecal Corolla 30 A
Fontecal • 90.0%
Both Boilers
Available FREE through ECO4 scheme
Fontecal Corolla 30 A leads with 90.0% efficiency, providing better performance and energy savings.
Both Boulter Bonus 65/90A and Fontecal Corolla 30 A 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
