Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics
Parkray
Head to Head
sime 1 R 4 Freestanding
sime • 81.6%
Both Boilers
Available FREE through ECO4 scheme
sime 1 R 4 Freestanding leads with 81.6% efficiency, providing better performance and energy savings.
Both Parkray Parkray 401 and sime 1 R 4 Freestanding 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
