Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Sime Heating Products (UK)
Grant Combi 70 Mk II
Grant • 83.0%
Both Boilers
Available FREE through ECO4 scheme
Grant Combi 70 Mk II offers superior efficiency at 83.0%, making it the better choice for long-term savings.
Both Grant Combi 70 Mk II and Sime Heating Products (UK) Format super 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
