Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Radiant
Quantum DB
Quantum • 88.6%
Both Boilers
Available FREE through ECO4 scheme
Quantum DB offers superior efficiency at 88.6%, making it the better choice for long-term savings.
Both Quantum DB and Radiant B-Condense RHA 28/100 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