Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Vaillant
iQE Horizon 15/26
iQE • 90.6%
Both Boilers
Available FREE through ECO4 scheme
iQE Horizon 15/26 offers superior efficiency at 90.6%, making it the better choice for long-term savings.
Both iQE Horizon 15/26 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
