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Home / Horizon Europe / HORIZON-NEB-2026-01-REGEN-01

Sustainable, inclusive, affordable and beautiful solutions for thermal comfort in buildings

Open now · HORIZON Innovation Actions · HORIZON-NEB-2026-01-REGEN-01

Next cut-off
01 Dec '26
in 86 days
Per grant
€4.0M
the call's own average
Grants expected
3
projects that will be funded
Funding rate
70%
the rest is your own money

In context of Horizon Europe

This grant€4.0M
The track runs to the largest grant in Horizon Europe (€171M). The median across the 482 calls we publish is €5.3M, this one is below it.

What this call funds

Expected Outcome:

Project results are expected to contribute to all of the following expected outcomes:

  • Significantly higher awareness of the construction ecosystem actors about solutions that are inspired by vernacular knowledge[1], nature-based solutions[1], bioclimatic design and/or frugal innovation[1].
  • The application of the developed solutions helps to achieve and maintain the thermal comfort in buildings while significantly reducing life cycle energy use, GHG emissions and costs compared to solutions that currently dominate the market.

Scope:

Reducing life cycle GHG emissions in buildings is key to meet the Green Deal’s objectives and make the built environment more sustainable[1]. However, achieving thermal comfort inside buildings with poor thermal resilience often relies on energy-intensive solutions, such as air conditioning which not only emits GHGs and represents significant energy costs, but also contributes to urban heat island effects, impacting the health and well-being in neighbourhoods[1], particularly for groups in a vulnerable situation such as the elderly and low-income households.

There is therefore a need to further develop and demonstrate the effectiveness of beautiful[1], sustainable and affordable solutions for achieving thermal comfort in buildings that are inspired by vernacular principles, nature-based solutions, bioclimatic design and/or frugal innovation.

Proposals are expected to address all of the following:

Trimmed here, the full scope, expected outcomes and award criteria are on the official topic page ↗.

What applying costs you

ItemEstimateNote
Drafting effort6–8 weekssingle submission
Partner search4–8 weeksruns in parallel, and it is the part that slips
Your own money€1.7M30% of project cost, over the project's life
Time to first payment6–9 monthscut-off → evaluation → grant agreement

These are Bemzu's estimates from the call's structure (the number of stages and whether a consortium is required) not figures published by the Commission. Only the co-financing share is read from the call itself.

Where these conditions come from

Two kinds of row. Most are the sentence we read the condition from, quoted out of the call itself. Some say plainly that they are not a quotation but the programme's own rule for this type of action, the EU portal publishes a table of contents where the conditions should be, so for a Research and Innovation Action the rate comes from the rulebook rather than from the fiche.

ConditionQuoted from the call, or the rule behind it
Consortium sizeNot quoted from this call — Innovation Actions under the Horizon Europe rules are at least three independent legal entities from three different Member States or Associated Countries, at least one established in a Member State.
Funding rateNot quoted from this call — Innovation Actions under the Horizon Europe rules are funded at 70% of eligible costs for profit-making organisations, and 100% for non-profit legal entities — the rate shown here is the one that applies to a company.
Maturitynull Activities are expected to achieve TRL 5-7 by the end of the project – see General Annex B.

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