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Energy division

Energy performance & efficiency

TOPDEC analyses how buildings actually operate, identifies avoidable consumption and turns findings into prioritised actions. Our studies combine the building envelope, systems, uses, costs and renewable-energy potential.

Energy auditEPCHVACSolar

Our services

Understand, reduce and manage energy use

Each assignment is designed around the building, its uses and the data genuinely available.

01

Energy audit and performance assessment

Baseline review, analysis of bills and uses, technical visit, consumption balance and energy-performance assessment.

02

Measurement and data analysis

Data collection and structuring, spot measurements, consumption profiles and analysis of gaps between expected and actual operation.

03

Building envelope

Analysis of walls, glazing, solar protection, air leakage and thermal bridges to identify potential demand reductions.

04

HVAC, lighting and equipment

Study of heating, cooling, ventilation, hot water, lighting and auxiliaries, including improved settings and more efficient solutions.

05

Renewable energy

Pre-assessment of solar potential and energy-efficient solutions aligned with consumption profiles and site constraints.

06

Action plan and training

Prioritisation of actions, estimated savings and investments, team support, and training for assessors or auditors.

Clear evidence for sound decisions

Assessment, scenarios and roadmap

Areas assessed

  • Energy consumption and contracts
  • Envelope quality and thermal comfort
  • HVAC efficiency and controls
  • Lighting, motors and specialist equipment
  • Behaviour and operating conditions
  • Renewable-generation potential

Deliverables

  • Audit report and energy balance
  • End-use breakdown and indicators
  • List of issues and immediate actions
  • Refurbishment or optimisation scenarios
  • Estimated savings and payback periods
  • Prioritised, actionable programme

Our method

From data to decisions

Collect

Bills, drawings, equipment, schedules, operating conditions and facility-manager expectations.

Observe

Site visit, measurements, team discussions and understanding of actual operation.

Model

End-use balance, identification of losses and comparison of technical scenarios.

Prioritise

Ranking actions by impact, cost, feasibility and implementation horizon.

Building types

An approach tailored to each use

OfficesMulti-family housingHotelsRetailHealthcare facilitiesPublic facilitiesIndustrial sitesExisting building stock

Looking to reduce a building’s energy consumption?

Send us the available information and your objectives. We will define the appropriate level of analysis.

Request a study