Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
British / Scottish Gas
Head to Head
Glow-worm
British / Scottish Gas RD1 3100
British / Scottish Gas • 78.0%
Both Boilers
Available FREE through ECO4 scheme
British / Scottish Gas RD1 3100 offers superior efficiency at 78.0%, making it the better choice for long-term savings.
Both British / Scottish Gas RD1 3100 and Glow-worm 105-120 105-120 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
