
Development and manufacturing of electric heating elements, thermostats, heat pump controls and custom plastic parts for HVAC and renewable energies.
ASKOMA AG
Bützberg (CH) · Herzogenbuchsee (CH) · Senai JB (MY)New on Amplifa
About ASKOMA AG
ASKOMA AG was founded in 1967 and develops and produces custom products for the HVAC market with around 45 employees. The portfolio includes screw-in and flange heating elements for heating drinking and heating water, also as a power-to-heat solution for surplus PV electricity (ASKO HEAT + 2.0), as well as a broad range of electromechanical and electronic thermostats. Manufacturing services include the production of heat pump controls and boiler switch panels for heating manufacturers, cable and wire harness assembly to customer specifications, custom air preheaters and air heaters, and the construction of plastic housings. Injection-moulded parts and housings are produced at the company's own plant in Malaysia. As a certified testing body, ASKOMA issues certificates in accordance with EN 60335-2-21 and offers certifications according to DVGW, SVGW and ÖVGW. The heating elements for drinking water are made, among other things, from Incoloy 825. The main site with production, administration and development is Bützberg in Switzerland, and a certified production site exists in Herzogenbuchsee. Customers include energy manager and inverter manufacturers as well as well-known heating manufacturers; sales are handled through partners, among others in Europe and Malaysia.
- Site
- CH-4922 Bützberg
- Processes
- Cable assembly (ASKO CONTROL), Wire harness assembly, Injection moulding of plastic parts and housings, Manufacture of electric heating elements (screw-in and flange heating elements), Manufacture of heat pump controls and boiler switch panels, Manufacture of air preheaters / air heaters, Laboratory for storage water heater testing according to EN 60335-2-21 (certified testing body), Certification (DVGW, SVGW, ÖVGW conformity)
- Materials
- Incoloy 825, Plastic
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 9001:2015 (IQNet), ISO 14001:2015 (IQNet), PED 2014/68/EU Module B (pressure equipment Cat. IV), PED 2014/68/EU Module D (pressure equipment Cat. IV), DVGW drinking water conformity, ISO 9001, ISO 14001, PED 2014/68/EU Module B/D (Cat. IV), EN 60335-2-21 testing body
- Founded
- 1967
- Employees
- 45
- Industries
- HVAC (heating, ventilation, air conditioning), Photovoltaics/Renewable energies, Heat pumps, Railway industry, Building technology
- 01
Development/Engineering
- 02
Injection moulding of plastic parts
- 03
Manufacture of heating elements (Incoloy 825)
- 04
Cable/wire harness assembly
- 05
Assembly of controls and boiler switch panels
- 06
Laboratory testing according to EN 60335-2-21
- 07
After Sales Support
Materials and Processes
Incoloy 825
High-alloy material for heating elements, can be used with insulation for heating and drinking water applications.
Plastic
Injection-moulded plastic parts and housings for heating elements, thermostats and customer specifications.
Sites
Bützberg
CHHeadquarters, production, administration
Herzogenbuchsee
CHProduction site (certified according to ISO 9001/14001)
Senai JB
MYMalaysia plant (BACKER ASKOMA SDN BHD): plastic parts, injection moulding
- Materials
- Plastic
- Injection moulding machines
Products and Components





Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Cable assembly (ASKO CONTROL)Assembly | – | – | – | – | – |
| Wire harness assemblyAssembly | – | – | – | – | – |
| Injection moulding of plastic parts and housingsPlastics | – | – | – | – | Plastic |
| Manufacture of electric heating elements (screw-in and flange heating elements)Assembly | – | – | – | – | Incoloy 825 |
| Manufacture of heat pump controls and boiler switch panelsAssembly | – | – | – | – | – |
| Manufacture of air preheaters / air heatersAssembly | – | – | – | – | – |
| Laboratory for storage water heater testing according to EN 60335-2-21 (certified testing body)Testing | – | – | – | – | – |
| Certification (DVGW, SVGW, ÖVGW conformity)Testing | – | – | – | – | – |
| Industrial assemblyAssembly | – | – | – | – | – |
Additional services
Reference customers
Quality and Certificates
ASKOMA is certified according to ISO 9001:2015 and ISO 14001:2015 (SQS, Reg. No. H14503) and, as a notified body, manufactures monitored pressure equipment in accordance with PED 2014/68/EU Module B/D (Category IV). As a certified testing body, storage water heater tests according to EN 60335-2-21 are carried out.
| Evidence | Bützberg | Herzogenbuchsee | Senai JB |
|---|---|---|---|
| ISO 9001 | |||
| ISO 14001 | |||
| PED 2014/68/EU Module B/D (Cat. IV) | |||
| DVGW drinking water conformity | |||
| EN 60335-2-21 testing body |
History
- 1967
Foundation; since then development and production of custom products for the HVAC market.
- 2024
Reissue of the certificates ISO 9001:2015, ISO 14001:2015 and PED Module B/D by SQS, valid until 02.04.2027.
- 2025
Receipt of the DVGW drinking water conformity confirmation; certificates for SVGW and ÖVGW in progress.