Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
GEM
Head to Head
ROC LJLGB26-B28CV
ROC • 89.6%
Both Boilers
Available FREE through ECO4 scheme
ROC LJLGB26-B28CV leads with 89.6% efficiency, providing better performance and energy savings.
Both GEM CC2 20/26 and ROC LJLGB26-B28CV 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
