Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
British Gas/Scottish Gas
Head to Head
Firebird
Firebird Blue Flame Enviromax Popular 26kW
Firebird • 92.5%
Both Boilers
Available FREE through ECO4 scheme
Firebird Blue Flame Enviromax Popular 26kW leads with 92.5% efficiency, providing better performance and energy savings.
Both British Gas/Scottish Gas C1 RSF and Firebird Blue Flame Enviromax Popular 26kW 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
