Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
NST
Head to Head
Powermax 140
Powermax • 82.1%
Both Boilers
Available FREE through ECO4 scheme
Powermax 140 leads with 82.1% efficiency, providing better performance and energy savings.
Both NST Sogno Eli 8-22 M and Powermax 140 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
