Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Grant
Head to Head
Rinnai UK E32S
Rinnai UK • 89.5%
Both Boilers
Available FREE through ECO4 scheme
Rinnai UK E32S leads with 89.5% efficiency, providing better performance and energy savings.
Both Grant Combi 70 Mk II and Rinnai UK E32S 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
