Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Halstead
Head to Head
Unical Alkon 28 SC HE
Unical • 88.5%
Both Boilers
Available FREE through ECO4 scheme
Unical Alkon 28 SC HE leads with 88.5% efficiency, providing better performance and energy savings.
Both Halstead 30/90Combi 30/90combi and Unical Alkon 28 SC HE 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
