VAILLANT ecoTEC plus VC/VCW/VCI 1-5 gas condensing boiler

From the jury's assessment

The ecoTEC plus VC/VCW/VCI 1-5 gas condensing boiler from Vaillant is ideally suited for single-family homes and small apartment buildings with six households. The highly functional product independently detects gas types and their quality and permanently adjusts the gas condensing system. The large illuminated touch display and optional control via mobile app make the device easy to operate. In addition, the focus is on resource-saving concepts and optimum energy efficiency, both in production and in the final product.

• also available as a space-saving combination device with hot water preparation
• operation with up to 20% hydrogen possible