Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Grandee
Head to Head
Remeha Avanta 18V
Remeha • 89.2%
Both Boilers
Available FREE through ECO4 scheme
Remeha Avanta 18V leads with 89.2% efficiency, providing better performance and energy savings.
Both Grandee GCCF 15/23 and Remeha Avanta 18V 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
