Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Merlin
Head to Head
Warmflow 70/90 Bluebird
Warmflow • 81.9%
Both Boilers
Available FREE through ECO4 scheme
Warmflow 70/90 Bluebird leads with 81.9% efficiency, providing better performance and energy savings.
Both Merlin 100/150 BF and Warmflow 70/90 Bluebird 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
