BUILD UP

The European portal for energy efficiency and renewable energy in buildings

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The Commission calls for progress on the transposition of the Energy Performance of Buildings Directive
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Woman in a wheelchair adjusting an air-conditioning control in a sunlit apartment during a summer heatwave.
Technical Article
When buildings fail the most vulnerable: rethinking affordable cooling for people with disabilities
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Modern European building illustrating natural ventilative cooling with blue airflow entering through windows and warm air rising through the roof.
Technical Article
A new European Technical Specification for designing ventilative cooling systems
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European residential district with shaded buildings, greenery and shared cooling infrastructure during a summer heatwave.
Technical Article
Cooling for all: why Europe must treat cooling as infrastructure, not a luxury
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Modern European apartment building using external shading, open windows and greenery to support passive cooling during a summer heatwave.
Technical Article
Passive cooling strategies: a key lever for resilient and comfortable homes
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Renovated apartment building in Montenegro with external shading and residents adjusting blinds during a hot summer day.
Cooling-ready residential renovation: aligning climate, building performance and occupant behaviour

Research from Montenegro highlights why today's renovation decisions must anticipate tomorrow's climate to ensure long-term comfort and energy performance.

Close-up of a modern building envelope showing phase change materials supporting passive cooling and indoor thermal comfort.
Towards smarter cooling: integrating phase change materials in building elements for energy-efficient thermal comfort

Can buildings cool themselves? Discover how phase change materials (PCM) in building elements can cut energy use while improving indoor comfort in a warming climate.

Cover image for a technical article on smart cooling in Europe, showing a sustainable urban district with shaded public spaces and integrated heating and cooling networks.
Cooling in stages: a smarter order for a warming Europe

Cooling has moved beyond comfort. It's a matter of survival - and the heat it rejects should not be wasted but used to heat our buildings.

Modern university building with rooftop solar panels and groundwater heat pump system illustrating efficient low-carbon cooling.
Efficient cooling with groundwater heat pumps and solar PV: a practical university case study

Discover how a hybrid cooling system combining a groundwater heat pump and rooftop photovoltaic (PV) can cut energy use, boost heating, ventilation and air conditioning (HVAC) efficiency, and deliver low-carbon, resilient building performance in real-world university applications.

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Vote now: help choose BUILD UP’s Topic of the Month (ToM) for December 2026

Four topics, one key debate and a collective decision. BUILD UP invites you to vote for the Topic of the Month that will shape the portal’s editorial coverage in December 2026. Through this survey, you can help identify the topic that deserves greater attention within the building sector.

European Countries
Several buildings under construction surrounded by scaffolding and cranes, with unfinished concrete structures. The setting shows an active building site under a clear sky.
Commission Staff Working Document: Supporting life-cycle approaches to decarbonise European buildings

A new Commission document provides guidance for authorities and building professionals on applying a whole life-cycle carbon approach, integrating operational and embodied emissions while promoting renovation, circularity and better use of the existing building stock.

European Countries

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