Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Heating World Group
Head to Head
Main 12 HE
Main • 85.8%
Both Boilers
Available FREE through ECO4 scheme
Main 12 HE leads with 85.8% efficiency, providing better performance and energy savings.
Both Heating World Group Beta 42339 and Main 12 HE 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
