Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
DD Heating
Head to Head
Fontecal Corolla 30 S
Fontecal • 89.4%
Both Boilers
Available FREE through ECO4 scheme
Fontecal Corolla 30 S leads with 89.4% efficiency, providing better performance and energy savings.
Both DD Heating Heatline C28S and Fontecal Corolla 30 S 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
