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Ecoworks

AI-screened, prefab-driven serial renovation for aging apartment buildings

German general contractor that uses AI-based portfolio screening, laser-scanned BIM digital twins, and factory-prefabricated facade/roof modules to retrofit 1950s-1980s apartment buildings to near-zero-energy standards in weeks instead of months, while tenants remain in occupancy.

€40M ($43.2M) Series A closed December 2023, led by World Fund with Haniel, KOMPAS VC, and ISAI; a separate €23M was announced March 2026 tied to the Hagen serial-renovation project (Germany's largest cooperative serial renovation). Third-party trackers (Crunchbase/PitchBook aggregators) report $58M-$81.2M raised cumulatively across 5 rounds including a seed round and a convertible note, but ecoworks has not published a single consolidated total, and public sources do not corroborate Bouygues as an investor or backer. raisedGrowth Stage
Founded 2019 · Vendor states 25+ completed serial-renovation projects and €190M+ in cumulative project volume as of 2026, with 90+ employees and 16 patents. Named projects include GEWOBAU Erlangen (132 apartments across 6 buildings, completed 2025, ~1,000 sqm of facade installed in one week) and the Hagen-Helfe housing cooperative (192 apartments across 12 buildings, announced March 2026, targeting KfW Efficiency House 55). As of December 2023 (TechCrunch), the company had completed 4 projects (~20-25 apartments each) with an approximately €100M order book and 850 apartments in its pipeline for the following year. Exact number of distinct paying client organizations not disclosed.
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Why This Tool Exists

The Problem

Germany has millions of apartment buildings from the 1950s-1980s with poor energy ratings (classes E-H) that need deep energy retrofits to meet climate targets, but conventional renovation is a bespoke, on-site process that takes many months to years per building, displaces or disrupts tenants, and does not scale across a housing portfolio of structurally similar buildings.

The Solution

Ecoworks screens a housing provider's building portfolio with AI-based image recognition and satellite/database analysis to find buildings suited to standardized retrofit, laser-scans each selected building into a BIM digital twin, and adapts a catalog of 300+ prefabricated facade/roof components to that building's geometry. Panels (pre-fitted with insulation, windows, ventilation, and wiring/piping channels) are manufactured off-site by partner factories and installed on the building envelope in as little as one to a few weeks, with tenants staying in their apartments throughout.

How You Use It

Delivery Method
Full-Service General ContractorHardware (prefabricated building envelope modules)In-house BIM/Digital Twin Planning
Integrations
Oikos Group (Bien-Zenker, Hanse Haus, Living Haus prefab manufacturing partner)Brüninghoff Holz (timber facade/roof element manufacturing partner)STEICO (wood-fiber insulation supplier)KfW 261 / BEG German subsidy programs (funding-application support)
Project Phases
Pre-Design, Design Development, Construction Documentation, Construction Administration
Project Types
Residential

Data Transparency

Exactly what this tool uses and how

Input
What it needs
Required:Building/property portfolio addresses, Housing provider approval to survey and scan target buildings
Optional:Existing building drawings or as-built documentation, Prior energy performance certificates
Formats:Point cloud (from ecoworks laser scan), BIM/IFC digital twin model, CAD/DXF panel design files
Output
What you get
Format:Physical retrofit of the building envelope (prefabricated facade, roof, ventilation, and solar/heat-pump modules) delivered on-site, accompanied by a BIM digital twin and an energy-performance/subsidy report
Fields:Target energy standard (e.g., KfW Efficiency House 55), Projected energy-demand reduction (%), Projected annual CO2 savings, On-site installation timeline, Subsidy/cost breakdown (KfW 261, BEG eligibility)
Algorithm
How it works
Model:Proprietary; ecoworks describes "AI-powered image recognition" for building-portfolio screening and BIM-driven design automation for panel generation. No specific model architecture, training data, or third-party model provider is publicly disclosed.
Accuracy:Not publicly specified — no independently benchmarked accuracy figures for the building-screening AI or design-automation pipeline. Company instead reports operational outcomes: e.g., ~1,000 sqm of facade installed in one week at Erlangen, up to 83% energy-demand reduction, and 30-70% faster on-site construction versus traditional renovation.
Privacy
How your data is protected
Retention:Not publicly specified for building/project data; the general website privacy policy states data is retained "for as long as necessary to provide the requested service" with no defined timeframe
Training:Not publicly specified
Compliance:EU-US Data Privacy Framework (DPF) certification referenced for US subprocessors, GDPR applies as an EU-headquartered company, but no dedicated GDPR compliance statement beyond the standard website privacy policy was found, No SOC 2, ISO 27001, or ISO 9001 certification publicly disclosed
API
Integration
Endpoint:Not publicly documented — no self-serve API or software product; ecoworks delivers renovation as a full-service general-contractor engagement, not a SaaS platform
Method:Not publicly specified

Use Cases

  • ·Deep energy retrofit of 1950s-1980s multifamily apartment buildings (3-9 stories) to near-zero-energy/KfW Efficiency House standards
  • ·Portfolio-wide AI screening of housing-cooperative building stock to identify and prioritize serial-renovation candidates
  • ·Occupied-building envelope replacement (facade, roof, windows, ventilation, heat pumps, solar) with minimal tenant disruption
  • ·Neighborhood/quarter-scale (Quartier) serial renovation of multiple structurally similar buildings under one program
  • ·Subsidy navigation and financing support for German KfW 261 / BEG energy-renovation grant programs

Pricing

Free
Not offered — full-service general-contractor engagement with no self-serve or trial tier
Pro
Not applicable — pricing is project-specific and quoted per building/portfolio; not published
Enterprise
Custom quote per renovation project. Company states German government subsidies (KfW 261, BEG) can cover up to 45% of eligible costs, with an additional 15% bonus for serial/prefabricated renovation methods, and that projects are designed to target "warm rent neutrality" (higher modernization rent offset by lower tenant energy costs).
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Research Sources & Data QualityLast verified: 2026-07-16
Verified Data (11)
problem, solution, deliveryMethod, integrations, yearFounded, fundingTotal-series-a, customerBase, algorithm-approach, disciplines, projectTypes, privacy-dpf-certification
Not Found (6)
api-endpoint-details, pricing-figures, accuracy-benchmarks, soc2-iso-certification, consolidated-cumulative-funding-total, bouygues-investor-relationship-referenced-in-internal-sourcing-not-corroborated-by-any-public-source
Our Commitment: We only include verified data from official sources. If information isn't publicly available, we mark it as "Not publicly specified" rather than guessing.