Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
British / Scottish Gas
Head to Head
Powermax 155x
Powermax • 82.0%
Both Boilers
Available FREE through ECO4 scheme
Powermax 155x leads with 82.0% efficiency, providing better performance and energy savings.
Both British / Scottish Gas RD1 330 and Powermax 155x 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
