Saved
7,812MWh / year
of electricity. The façade delivers cleaner, colder air to the cooling system, so the chillers work far less.
Enabling Buildings to Save energy, Clean air while adding extra insulation
Frankfurt, GermanyReference facility: a 5 MW data centre with 1,000 m² of Wall-GapS on its façade
Potential saving since you opened this page 0.0 kWh €0.00
Saved
7,812MWh / year
of electricity. The façade delivers cleaner, colder air to the cooling system, so the chillers work far less.
Less cooling
48%
less electricity for cooling: from 16,434 down to 8,622 MWh a year.
Existing Wall vs. Wall-GapS integrated
1,000 m² of Wall-GapS
Electricity consumption for cooling
8,622 MWh / year
Net saving
€1.29M/ year
every year, after water and maintenance.
Payback
6months
to pay back the €645,040 investment.
PM2.5 removed
up to50%
of fine particles taken out of the outside air before it reaches the building.
PM10 removed
up to90%
of coarse particles taken out of the same air.
CO₂ avoided
2,734t / year
kept out of the air every year.
Oil not burnt
6,360barrels / year
the same CO₂ as burning this much oil (0.43 t per barrel, US EPA).
AI-Driven Monitoring and ControlUnlike traditional passive façade solutions that focus solely on insulation, PurCity's modular system transforms building facades into active, multifunctional components that not only provide insulation and reduce HVAC energy consumption by up to 60% but also significantly improve indoor air quality.























Data center, factory, logistics hall or office. Under two minutes.
Sustainability Starts HereNo cost, no obligation.
Wall-GapS is a patented, multi-functional exterior facade that replaces traditional building panels. It cleans polluted air using natural ventilation and provides extra insulation, helping buildings save energy and improve air quality.
The Air2Pure IoT system, is specifically designed to help industrial applications optimize their carbon footprint and sustainability. By incorporating AI and machine learning as a service, the system provides real-time tracking, predictive control, and automation to ensure peak performance. (Sponsored by MGE Ventures Holding ApS)

















PurCity's mission is to drive sustainable transformation in cities, one building at a time. Each successful project is a local victory for sustainability, and together they build a global network of smart, green infrastructure.
40%
of global energy use and CO₂ emissions come from buildings
70%
of global CO₂ comes from cities, which cover just 2% of the land
3.5billion
more people will move into cities by 2050
3.8million
deaths a year are linked to air pollution
Subscribe to stay updated. We are committed to shine in sustainable solutions and innovation across communities globally.
Subscribe
PurCity Triumphs in Taipei: Awarded IC Taiwan Grand Challenge Prize from Minister of National Science and Tech...
PurCity Secures Top 5 Spot at Global Shanghai Makers CompetitionPurCity is honored to announce its remarkable...
Winner of Expo Live Innovation ProgramPurCity is proud to announce its selection as a winner of the Expo Live...
PurCity Triumphs at EIT Manufacturing “BoostUp” and Advances to Prestigious EIT AwardsPurCity has achieved a s...
PurCity's Victory at the CISCO Global Problem Solver Challenge PurCity was recently announced as the first-pla...