Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Head to Head
Boulter
ATAG A320S
ATAG • 89.5%
Both Boilers
Available FREE through ECO4 scheme
ATAG A320S offers superior efficiency at 89.5%, making it the better choice for long-term savings.
Both ATAG A320S and Boulter Bonus 65/90A 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
