Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Navien
Head to Head
Rotex A1 BO 15-e
Rotex • 91.3%
Both Boilers
Available FREE through ECO4 scheme
Rotex A1 BO 15-e leads with 91.3% efficiency, providing better performance and energy savings.
Both Navien NCB-23LHWE and Rotex A1 BO 15-e 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
