Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Chaffoteaux
Head to Head
Grant Combi 90 Mk II
Grant • 83.9%
Both Boilers
Available FREE through ECO4 scheme
Grant Combi 90 Mk II leads with 83.9% efficiency, providing better performance and energy savings.
Both Chaffoteaux Celtic ff and Grant Combi 90 Mk II 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
