Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Unical
Rotex A1 BO 20-e
Rotex • 91.2%
Both Boilers
Available FREE through ECO4 scheme
Rotex A1 BO 20-e offers superior efficiency at 91.2%, making it the better choice for long-term savings.
Both Rotex A1 BO 20-e and Unical Alkon 35 SC 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
