Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Charles Portway & Son
Head to Head
Main 12 Heat ErP
Main • 88.7%
Both Boilers
Available FREE through ECO4 scheme
Main 12 Heat ErP leads with 88.7% efficiency, providing better performance and energy savings.
Both Charles Portway & Son Portway 40F and Main 12 Heat ErP 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
