Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Unical
Head to Head
Viadrus K4 K4G1H24PS
Viadrus • 89.0%
Both Boilers
Available FREE through ECO4 scheme
Viadrus K4 K4G1H24PS leads with 89.0% efficiency, providing better performance and energy savings.
Both Unical Alkon 28 SR HE and Viadrus K4 K4G1H24PS 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
