Engineering consultancy · Smart building · Belgium
Smart = doing better with less.
We design and optimise your HVAC, BMS/BACS and electrical systems, and train your teams.
- OfficeSchaerbeek, Brussels
- AreaBelgium and neighbouring countries
- ClientsMunicipalities, public operators, developers
- FrameworksEPBD · EPB · BACS · RGIE · PLAGE
Services
From audit to measurable performance.
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Audit & Owner's engineering
Energy audit, specifications and support, before you invest.
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BMS / BACS integration
KNX and BACnet building management systems, compliant with the BACS decree and the EPBD.
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HVAC & Electrical
Heating, cooling, ventilation and electrical: design and optimisation.
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Training & Skills transfer
Teams trained to run their installations on their own.
Why Nexa
We go further than handover.
Holistic vision
Business and engineering, bridging decision-makers and the field.
Regulations mastered
EPBD, EPB, BACS, RGIE and PLAGE, applied in the field.
Our frameworksSocial impact
Technology that serves the people using it.
Our impact in the field
Digital twin
Your building, as a digital twin.
- 01
Measure
Sensors on every floor: temperature, presence, air quality, consumption.
- 02
Control
The BMS adjusts heating, ventilation and lighting to actual use.
- 03
Optimise
NexaInsights tracks performance and alerts you as soon as something drifts.
Our method
Six steps, one point of contact.
- 01
Listening & diagnosis
Your context, your goals, a shared vision.
- 02
Design & feasibility
Standards, subsidies, sizing, technical choices.
- 03
Validation & documentation
Specifications, drawings, calculation notes.
- 04
Delivery
Coordination of all parties and rigorous follow-up.
- 05
Training & support
Trained teams, responsive maintenance.
- 06
Continuous improvement
Lessons learned and optimisations.
Free tool · BACS Qualifier
Does the BACS decree apply to your building?
Answer, estimated savings and payback in 2 minutes.
Certifications
Certified expertise.
Approved energy auditors in all three regions, certified in smart buildings and KNX.
Regional approvals
- Energiedeskundige type D
Certifications
- BA5
Let's talk about your building.
Audit, integration, training: tell us where you stand.