Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Radiant
Quantum DB System Boiler
Quantum • 88.6%
Both Boilers
Available FREE through ECO4 scheme
Quantum DB System Boiler offers superior efficiency at 88.6%, making it the better choice for long-term savings.
Both Quantum DB System Boiler and Radiant B-Condense RHA 28 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
