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Detailed side-by-side comparison of efficiency ratings, specifications, and performance
Efficiency Winner
Aquaflame Eco-Avance 28
Best Value
Both boilers are available free through the ECO4 scheme
Both Alde Slimline 2927 and Aquaflame Eco-Avance 28 are available free through the ECO4 scheme. Check your eligibility and apply today.
