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Our Philosophy

Swiss through and through

The customer is at the centre of Seven-Air's entrepreneurial activities. The aim is to provide clients, engineers, planners and installers with a flexible solution tailored to their individual needs.


Ventilation and air-conditioning equipment construction

In the core business of Seven-Air Gebr. Meyer AG, the customer benefits from a wide range of equipment.

Ventilation and air-conditioning units SKG/SZG/SAG
With the SKG / SZG / SAG type series, the air handling units (monobloc) are assembled in a modular system to meet individual customer requirements. The units cover an air volume flow of 400 to 200'000 m3/h.

System air conditioners

For smaller or medium-sized standard projects, the ready-to-connect system solutions with integrated control and regulation offer the optimum benefit.

Conversions / Renovations
Specialists offer the right solution for all types and makes, such as Hemair, Orion and Fläkt - advice, planning, implementation.

Blechbearbeitung Industrie 4.0
Blechbearbeitung CNC
Blechbearbeitung CAD

Sheet metal processing

With over 40 years of experience in the core business of air conditioning equipment construction, we offer comprehensive services in the field of sheet metal processing. The accustomed processing quality, adherence to delivery dates as well as market-driven pricing accompany us as a reliable and competent supply partner.

Powerful and reliable

  • Sheet metal processing incl. work preparation by own construction; 3D-CAD
  • State-of-the-art machinery
  • Finishing with powder coating
  • Single pieces up to serial production
  • Short delivery times
  • 40 years of experience
  • Certified according to ISO 9001 / ISO 14001

Our services
  • State-of-the-art processing software for cost-optimized design and manufacturing processes
  • Fully automatic Salvagnini production line with integrated sheet storage (punching, shearing, bending)
  • Optional operations such as rounding, stamping, stud welding and thread cutting
  • Welding processes MIG and TIG
  • Refinement by powder coating

Possible materials

  • Steel covered sheet metal (SPO)
  • Electrolytically galvanised steel (EVZ)
  • Sendzimir galvanized steel (SVZ)
  • Stainless steel
  • Aluminium

Maximum dimensions

With sheet thickness
0.8  to 1.5 mm
Size Output format L x W
4000 mm x 1500 mm

With sheet thickness greater than 1.5 mm
Size Output format L x W
3000 mm x 1500 mm

Pulverbeschichtung Anlage
Pulverbeschichtung Prozess
Pulverbeschichtung RAL

Powder coating

State-of-the-art power and free technology with integrated quick colour change system, combined with many years of know-how (pioneering work in Switzerland), guarantees perfect adhesion, uniform layer thicknesses and flawless surfaces in all RAL and NCS colours.

Energy-efficient and environmentally friendly production
  • Energy-efficient and environmentally friendly surface treatment
  • Highest corrosion protection
  • Perfect adhesion
  • Uniform layer thicknesses
  • Beautiful surfaces
  • According to RAL/NCS colour cards
  • Short delivery times
  • 40 years of experience
  • Certified according to ISO 9001 / ISO 14001

Excellent quality
A multi-stage pre-treatment ensures optimum cleaning of the parts, thus achieving perfect adhesion of the powder coating. State-of-the-art technology and many years of know-how guarantee uniform coating thicknesses. Maximum corrosion protection and a robust, aesthetically pleasing surface are the properties of Seven-Air powder coating.

Energy-efficient and environmentally friendly production
The powder is almost 100% recovered during operation and colour changes. The multiple use of the rinsing water keeps the fresh water requirement extremely low. The waste heat from the adhesive water dryer and the curing oven is recovered for the pre-treatment zone and for the workshop heating.

Possible materials
  • steel
  • Electrolytically galvanized steel
  • Sendzimir galvanized steel
  • Aluminium*
  • Stainless steel*
  • Grey and spheroidal graphite cast iron parts*

* The coating of aluminium, stainless steel and cast parts requires mechanical pre-treatment (e.g. sand or dust blasting) depending on the use and requirements of the parts.

Maximum dimensions

3600 mm
2100 mm
1000 mm
max. 300 kg