Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
GEM
Head to Head
Solarcombi EC-Compact EC25 S
Solarcombi • 89.4%
Both Boilers
Available FREE through ECO4 scheme
Solarcombi EC-Compact EC25 S leads with 89.4% efficiency, providing better performance and energy savings.
Both GEM CC1 15/20 and Solarcombi EC-Compact EC25 S 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
