efa:ON Leipzig

23. - 25. September 2025 | rade fair for Electrical, Building, Lighting, and Energy Technology

The efa:ON in Leipzig, abbreviated from "Electrical, Building, and Lighting Technology," has become the premier industry gathering in Central Germany and surrounding regions since its inception in 1990. As a recognised trade fair specialising in electrical, building, and lighting technology, it is now an essential event for all stakeholders in the regional electrical industry. efa:ON is organised by the Leipziger Messe GmbH, a distinguished event planner renowned for its comprehensive expertise in hosting major events. The fair is held every two years in September at the impressive Leipzig Trade Fair venue, celebrated for its top-notch infrastructure and ease of access.

efa:ON showcases innovative technologies and solutions encompassing building and electrical engineering, as well as climate and automation. Notably, manufacturers and service providers from the electrical and energy technology fields display their latest offerings. This gives attendees a thorough industry insight and a chance to familiarise themselves with contemporary topics, standards, and technological trends through a wide array of specialist programmes and training sessions. The event not only draws in market leaders from the electrical and energy technology sectors but also professionals across trades, industries, commerce, and energy provision. Furthermore, traders, planners, architects, engineers, building operators, investors, and industry newcomers are in attendance. A standout feature of efa:ON is its unique combination of exhibitions, expert programmes, and events, all adding substantial value for its professional visitors. The Leipzig exhibition grounds, which host efa:ON, rank amongst Europe's most state-of-the-art exhibition centres and are known for their stellar transport links. This positions them as a prime location for both local and international attendees. To sum up, efa:ON isn't just a nexus for dialogue and insight; it's also a prime platform for cultivating business relationships. It's the go-to event for anyone engaged in the electrical industry or those keen on keeping abreast of the sector's newest innovations and evolutions.

On the whole the organisers welcomed on the 3 days of the fair, from 20. September to 22. September 2017, about 213 exhibitors and 12200 visitors on the efa:ON in Leipzig.

The efa:ON will take place on 3 days from Tuesday, 23. September to Thursday, 25. September 2025 in Leipzig.

In 486 days
23.09.2025 - 25.09.2025*
Tuesday - Thursday, 3 days
Trade Show Contact
Display e-mail address

professional visitors only


Year of foundation:

Local time:
14:11 h (UTC +02:00)

Fair location:

Messe Leipzig,
Messe-Allee 1, 04356 Leipzig, Saxony, Germany


for trade fair date in Leipzig

Fair organizer
Leipziger Messe GmbH
Messe-Allee 1
04356 Leipzig, Germany
Tel: +49 (0)341 6780
Fax: +49 (0)341 6788762
Display e-mail address
Past editions:
  • 12. - 14. September 2023
  • 18. - 20. September 2019
  • 20. - 22. September 2017
    • 213 exhibitors
    • 12200 visitors
  • 28. - 30. October 2015

Fair location:

Messe Leipzig,
Messe-Allee 1, 04356 Leipzig, Saxony, Germany


for trade fair date in Leipzig

Product groups: automation, broadband technology, building components, climate technology, cooling technology, gas installation technology., heating technology, insulation technology, lighting, pipes, solar technology, valves, water installation technology, water technology, …

Disclaimer: No responsibility is taken for the correctness of this information. Errors and alterations excepted! Fair dates and exhibition sites are subject to change by the respective trade fair organiser.


Upload a picture from your booth on the efa:ON or other fair impressions!

Add an image

Trade show suppliers

Operational area: countrywide
Operational area: worldwide
Operational area: worldwide

Add a trade show supplier!


Where does the efa:ON taking place?
The efa:ON fair takes place in Leipzig, at the Messe Leipzig.

When is the efa:ON taking place?
Visit the efa:ON from 23. - 25. September 2025.

How often does the efa:ON take place?
The efa:ON takes place biennially.

What kind of fair is the efa:ON?
The efa:ON is an exhibition for Air-conditioning Technology, Building Services Engineering and Electrical.