Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Johnson & Starley
Head to Head
Viessmann
Johnson & Starley QuanTec 16RK
Johnson & Starley • 89.7%
Both Boilers
Available FREE through ECO4 scheme
Johnson & Starley QuanTec 16RK offers superior efficiency at 89.7%, making it the better choice for long-term savings.
Both Johnson & Starley QuanTec 16RK and Viessmann Vitodens 050-W BPJC 29kW Combi Boiler 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
