Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Grandee
Head to Head
Rotex A1 BO 27-e
Rotex • 90.7%
Both Boilers
Available FREE through ECO4 scheme
Rotex A1 BO 27-e leads with 90.7% efficiency, providing better performance and energy savings.
Both Grandee GCCF 15/23 and Rotex A1 BO 27-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
