In April, Viessmann, a family-owned business based in Allendorf, Germany, started selling two new and improved generations of Vitovalor systems. PT2 is a whole-home solution for single-family and duplex houses. The space-saving unit has two components, a gas condensing boiler, integrated with a fuel cell, and a 220-liter tank, both with a matching height of 1.8 meters, or 5.9 feet. The boiler capacity ranges from 11.4 to 30.8 kilowatts. The unit has a minimum service life of 80,000 hours and requires maintenance only every five years.
A completely energy-independent home: a vision that some customers feel has so far not been easy to implement. What could change their opinion is the world’s first-ever off-grid multifamily property in Brütten, near Zurich in Switzerland. Since 2016, it has provided tenants with on-site gas and electricity, for both apartments and vehicles.
A planned eco-friendly residential development in Bedburg near Cologne will see the installation of fuel cells to meet residents’ heating needs. In a collaborative project between the city, energy corporation RWE Power and manufacturer Viessmann, eight homes in Bedburg’s Königshoven district will be equipped with state-of-the-art heating units.
The repurposing of the old Fliegerhorst airbase in Oldenburg, Germany, offers the unique chance to develop a smart city concept that can later be applied to similar communities and cities across Germany and Europe. One part of the airbase, altogether 3.9 hectares, or 9.6 acres, has been designated a living laboratory