Develops and manufactures renewable energy systems: photovoltaics, heat pumps, solar thermal and KIGO climate ceilings from in-house production.
SOLTOP Energie AG
Elgg ZH · Sierre · Yverdon-les-Bains · Hergatz (DE)New on Amplifa
About SOLTOP Energie
SOLTOP Energie AG, headquartered in Elgg ZH, has been active as a pioneer in renewable energy in Switzerland since 1973. The company develops and markets holistic solutions for photovoltaics (in-roof system SwissSolarRoof, on-roof and flat-roof systems such as Duraklick and Duramont), battery storage, heat pumps, solar thermal, ice storage and efficient heating systems. The KIGO climate ceilings are manufactured in the company's own production facility in Elgg: in the patented KIGO Copper process, a rectangularly perforated copper sheet (standard width 390 mm or 590 mm) is laser-welded with a 12-mm copper pipe at a minimum spacing of 80 mm; the surface heat exchanger is bonded over its full area into metal ceiling panels. This laser welding technique has long been used in the manufacture of solar absorbers for glazed collectors. Customer groups include solar installers, roofing companies, electrical and heating installers, planners and architects; reference customers include Microsoft, Geneva Airport, the city of Monthey and Lidl Sierre. Sales and projects in the EU and Norway are managed through SOLTOP Energie GmbH in Hergatz (DE).
- Site
- Elgg
- Processes
- Laser welding of copper pipe onto copper sheet (KIGO Copper climate ceilings / surface heat, Perforating of copper sheet (rectangularly perforated, standard width 390 mm or 590 mm), Bonding of surface heat exchangers into metal ceiling panels (bonded over full area in the factory), Production of climate ceilings (KIGO Standard/Flex/Copper/Zen) in Elgg, Planning support, Customer service, Online calculators (heating/photovoltaic calculators), Tools/Training
- Materials
- Copper, Metal, Gypsum
- Founded
- 1973
- Industries
- Solar installers, Roofing companies, Electrical and heating installers, Planners, Architects, Residential/Commercial construction
- 01
Perforating the copper sheet
- 02
Laser-welding the copper pipe onto the copper sheet
- 03
Full-surface bonding of the surface heat exchanger into metal ceiling panels
- 04
Installation of the climate ceilings (ceiling sails or closed ceiling)
- 05
Distribution via installers, solar installers and roofing companies
Materials & Processes
Copper
Copper sheet and 12-mm copper pipe form the laser-welded surface heat exchanger of the KIGO Copper climate ceilings.
Metal
Metal ceiling panels with acoustic fleece accommodate the bonded surface heat exchangers.
Gypsum
Suspended gypsum ceilings with sound-absorbing function are used in KIGO ZEN Klimatop.
Locations
Elgg
CHHeadquarters and production of KIGO climate ceilings
- Materials
- Copper
- Laser welding system
- Perforation system
Sierre
CHLocation
Yverdon-les-Bains
CHLocation (branch, relocated from Puidoux in 2024)
Hergatz
DESales EU and Norway (SOLTOP Energie GmbH)
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Laser welding of copper pipe onto copper sheet (KIGO Copper climate ceilings / surface heatJoining | – | – | – | – | Copper |
| Perforating of copper sheet (rectangularly perforated, standard width 390 mm or 590 mm)Joining | – | 590 mm | – | – | Copper |
| Bonding of surface heat exchangers into metal ceiling panels (bonded over full area in the factory)Joining | – | – | – | – | Copper, Metal |
| Production of climate ceilings (KIGO Standard/Flex/Copper/Zen) in ElggAssembly | – | – | – | – | Copper, Gypsum, Metal |
Additional services
Reference customers
History
- 1973
Company founded; pioneer in renewable energy in Switzerland.
- 2009
SRF report (Kassensturz) on solar energy documents the industry transformation.
- 2017
Geneva Airport: KIGO Standard installation (92 m²) in the terminal area.
- 2024
WGH Langenthal: SwissSolarRoof in-roof PV with 17.505 kWp completed; SOLTOP Energie SA relocates its branch from Puidoux to Yverdon-les-Bains.
- 2025
Single-family home Langenthal (16.32 kWp) and commercial hall Brütten (25.74 kWp) realized; first Duraklick XL flat-roof system installed in Norway.