Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
British / Scottish Gas
Ariston ACO 27 RFFI
Ariston • 88.8%
Both Boilers
Available FREE through ECO4 scheme
Ariston ACO 27 RFFI offers superior efficiency at 88.8%, making it the better choice for long-term savings.
Both Ariston ACO 27 RFFI and British / Scottish Gas RD1 330 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
