Energy Consulting for Commercial & Residential Buildings
Technical analysis. Measurable savings. Data-based optimisation – for companies and owners in NRW.
Why Sustainari?
Technical Precision
Engineer-driven analysis of your systems, heating, HVAC and building envelope – no standard consulting.
Measurable Results
Concrete savings potential in euros and kWh – documented, traceable and verifiable for funding applications.
Long-term Support
We support you beyond the audit: monitoring, implementation support and continuous optimisation.
Our Services — Commercial & Residential
Technical expertise for commercial and residential buildings
Energieaudit DIN EN 16247
Systematic inventory and weak point analysis – eligible for funding and bank-compliant.
Heating Optimisation & HVAC
Hydraulic balancing, control optimisation and operation management for heating and HVAC systems.
Funding Advisory
BAFA, KfW, NRW funding: We secure the maximum funding rate for your measures.
Energy Monitoring
Continuous consumption monitoring with real-time dashboards, anomaly detection and reporting.
Building Automation
Smart Building Solutions: Automated control of lighting, HVAC and energy systems.
ESG & Sustainability Consulting
Carbon footprints, CO₂ reduction strategies and documented sustainability evidence.
How We Work
Initial Consultation & Assessment
Free analysis of your situation – on-site or via video call.
Technical Analysis
Detailed measurements, data analysis, weak point identification.
Action Plan & Funding
Prioritised measures with ROI calculation and funding application.
Implementation & Monitoring
Accompaniment of measures and ongoing consumption monitoring.
Ready to permanently reduce your energy costs?
Sustainari accompanies companies and owners in NRW from the first analysis to lasting savings.