Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Ariston
Head to Head
Baxi 400 424 COMBI
Baxi • 89.0%
Both Boilers
Available FREE through ECO4 scheme
Baxi 400 424 COMBI leads with 89.0% efficiency, providing better performance and energy savings.
Both Ariston ACO 27 RFFI and Baxi 400 424 COMBI 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
