Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Protherm
Powermax 155x
Powermax • 82.0%
Both Boilers
Available FREE through ECO4 scheme
Powermax 155x offers superior efficiency at 82.0%, making it the better choice for long-term savings.
Both Powermax 155x and Protherm 100EC 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
