Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Vaillant
sime 1 R 6 Freestanding
sime • 82.3%
Both Boilers
Available FREE through ECO4 scheme
sime 1 R 6 Freestanding offers superior efficiency at 82.3%, making it the better choice for long-term savings.
Both sime 1 R 6 Freestanding and Vaillant Combicompact vcw221h 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
