Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Worcester
Optia FF40
Optia • 78.6%
Both Boilers
Available FREE through ECO4 scheme
Optia FF40 offers superior efficiency at 78.6%, making it the better choice for long-term savings.
Both Optia FF40 and Worcester 15 CBi RSF 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
