Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Baxi Potterton
Head to Head
Boulter
Baxi Potterton Potterton Promax 15 HE
Baxi Potterton • 89.4%
Both Boilers
Available FREE through ECO4 scheme
Baxi Potterton Potterton Promax 15 HE offers superior efficiency at 89.4%, making it the better choice for long-term savings.
Both Baxi Potterton Potterton Promax 15 HE 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
