Deep energy renovation: indispensable?

 To achieve carbon neutrality by 2050, Europe must fundamentally transform its existing building stock. At Retrofitt, we believe that deep energy renovation combined with off-site construction is the fastest, most sustainable, and most effective way to reach this goal.

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The challenge: renovating 6,000 homes per day

The building sector accounts for about 40% of energy consumption in Europe. To meet its climate commitments, the European Union must massively accelerate the pace of renovations. Traditional solutions are no longer enough: we must aim for 6,000 energy renovations per day.

This is where off-site renovation comes in.

Deep energy renovation vs. superficial renovation: what’s the difference?

What is deep energy renovation?

Deep energy renovation (or deep retrofit) means completely rethinking the building to make it high-performing, healthy, and sustainable.

 

It enables energy consumption reductions of 30 to 70% thanks to a holistic approach:

  • Full thermal insulation : walls, roof, floor, windows, and doors.

  • Enhanced airtightness.

  • Ventilation systems with heat recovery.

  • Integration of renewable energies (solar panels, heat pumps, etc.).

 

The building is treated as a coherent system, where all elements interact to ensure optimal performance.

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And what about superficial energy renovation?

 

This involves isolated actions such as:

  • Insulating pipes or the attic,
  • Adding insulation around the boiler,
  • Installing a smart thermostat,
  • Replacing a boiler with a more efficient model.

 

While these measures may seem effective short-term, they don’t deliver a global performance leap nor prepare for 2050 climate requirements. Worse, they might need to be redone in a future renovation. A true energy strategy starts with a comprehensive vision.

The Retrofitt method : 7 steps for deep energy renovation

 

At Retrofitt, we have designed an industrial, efficient, and repeatable method to accelerate building energy renovation:

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    1
    Initial energy analysis

    study of the building’s condition and consumption.

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    2
    3D point cloud scanning

    complete digital scanning to create an accurate digital twin.

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    3
    Architectural redesign

    development of new façades and roofs according to energy goals.

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    4
    BIM modeling

    creation of a digital twin including all components.

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    5
    Off-site production

    factory manufacturing of elements (panels, insulation, finishes).

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    6
    Optimized logistics

    secure transport of components under controlled quality conditions.

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    7
    Rapid on-site installation

    assembly by our trained teams with minimal disruption.

Deep energy renovation: a winning solution for all

 

  • For occupants: more thermal comfort, healthier air, lower bills.
  • For communities: an effective response to energy poverty.
  • For the planet: more efficient, durable buildings with controlled environmental impact.
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Partner for carbon-neutral buildings

Carbon neutrality by 2050 is not a dream but an achievable goal if we scale up. At Retrofitt, we put innovation, industrialization, and energy performance at the heart of a sustainable and rapid renovation, matching the climate challenges.

Ready to transform your building?

Contact us to start your project.