Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Boulter
Ferroli Optimax 25 OV
Ferroli • 89.4%
Both Boilers
Available FREE through ECO4 scheme
Ferroli Optimax 25 OV offers superior efficiency at 89.4%, making it the better choice for long-term savings.
Both Ferroli Optimax 25 OV and Boulter Bonus 65/90A 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
