Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Firebird
Head to Head
Boulter
Firebird Blue Flame Enviromax Popular 26kW
Firebird • 92.5%
Both Boilers
Available FREE through ECO4 scheme
Firebird Blue Flame Enviromax Popular 26kW offers superior efficiency at 92.5%, making it the better choice for long-term savings.
Both Firebird Blue Flame Enviromax Popular 26kW 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
