Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Boulter
Ariston ACO 32 MFFI
Ariston • 88.9%
Both Boilers
Available FREE through ECO4 scheme
Ariston ACO 32 MFFI offers superior efficiency at 88.9%, making it the better choice for long-term savings.
Both Ariston ACO 32 MFFI and Boulter Bonus 40/65 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
