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Elevator Energy Efficiency Assessment - VDI 4707

Service Introduction

Business Challenge

“Sustainable development”, “green building”, “energy saving” are the hot topics of property developers and international
clients. Energy efficiency is an important assessment standard to judge whether a building is energy saving. Although
elevators account for 3% to 8% of a building’s total power consumption, they have strong potential for energy saving because
of their long lifetime. Therefore, finding out the solution for elevator energy efficiency is a key step for a greener building.

VDI 4707 is a certification guideline of elevator energy efficiency assessment established by VDI (The Association of German
Engineers), which is well accepted in EU and other countries. It will be an important part of the global standard ISO 25745,
Part 2, Classification, and would have a considerable influence on all future standardization projects concerning elevators and
energy efficiency.

Scopes of application
- New elevators
- In-service elevators which have “Green” needs

Solution

No matter you are elevator manufacturers, builders or building owners, Bureau Veritas's
experts can help you identify your elevator product’s energy efficiency according to VDI
4707, thereby helping you to gain acceptance of more high-end clients.

- Measurement & assessment of elevators energy efficiency under real-life conditions
- Calculation and classification of the specific energy demand of elevators (energy efficiency classes from A to G)
- Issuing of the elevator energy certificate as per VDI 4707
- Assessment modes
1. Before delivery from manufacturer’s factory
2. After installation in buildings
3. After periodic building improvement

Why Choose Bureau Veritas

- As the Notified Body (0041) of EU for Lifts Directive, BV possesses rich experience on the elevator industry and the elevator products.

- Bureau Veritas has got the official analysis software “Energy Label” specially designed for VDI 4707 by VFA-Interlift,which can provide more professional, authoritative analysis reports to our clients.
With BV Globe’s technical resource, integrating PCA, inspection, testing, consulting, training, auditing, BV can provide the “One-Stop” service for our clients.

FAQ - FREQUENTLY ASKED QUESTIONS

  • CERTIFICATION PROCESS

    Client requests VDI 4707 assessment

    - Bureau Veritas engineers collect basic information of the elevator &
    assess elevator’s usage class
    - Bureau Veritas engineers measure elevator’s stand-by energy demand
    - Bureau Veritas engineers measure/assess elevator’s travel energy
    - Bureau Veritas engineers use the authorized analysis software to
    calculate & identify energy efficiency class
    - Bureau Veritas issue the energy efficiency certificate for the elevator

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