Sales, planning, installation and service of heat pumps and ventilation systems for Switzerland
STIEBEL ELTRON AG
Lupfig (headquarters, ENERGY CAMPUS) · Pratteln (1995–2012) · Muttenz (1978–1995)New on Amplifa
About STIEBEL ELTRON Switzerland
STIEBEL ELTRON AG is the Swiss sales company of the international STIEBEL ELTRON Group, headquartered at the ENERGY CAMPUS in Lupfig, Canton Aargau. The company offers heat pumps (air-to-water, brine-to-water, water-to-water), ventilation systems, system storage tanks, apartment stations as well as smart home and energy management solutions. The appliances are developed and produced by the Group headquartered in Holzminden (DE); the Swiss subsidiary focuses on consulting, planning via a network of specialist partners, installation, customer service and maintenance. With more than 200 employees (2022) and over 70 service locations, STIEBEL ELTRON Switzerland is one of the leading sales companies in the Swiss heat pump market. Customers include single- and multi-family homes as well as non-residential buildings such as schools and listed heritage buildings. The company was founded in 1978 in Muttenz and is a public limited company (Aktiengesellschaft) based in 5242 Lupfig.
- Site
- Lupfig
- Processes
- Heating and cooling with heat pumps (air-to-water), Controlled indoor ventilation (central and decentralised) with heat recovery, Hot water preparation (boilers, tanks, instantaneous water heaters), Planning and installation of heat pump systems (new build and renovation), Cascade installation of 2 to 6 heat pumps (output up to 90 kW, flow temperature up to 65°C / up to, Maintenance and inspection (individual maintenance, interval every 2 years, WPL/WPF/WPE up to 22 kW), Tightness testing of refrigerant lines and components (legally required test), Cleaning of air distribution systems (air-carrying ducts, interval every 6 years, up to 7 air
- Materials
- R290 (propane), R-134a, R-410A, Stainless steel (hot water tank), Stainless steel
- Certificates
- 2-year factory warranty (standard), 5-year warranty heat pump/ventilation
- Founded
- 1978 (STIE
- Employees
- more than 200 (2022,
- Industries
- Single-family homes (new build and renovation), Multi-family homes, Non-residential/commercial buildings (e.g. schools, kindergartens, music, Listed heritage buildings
- 01
Development and production of the appliances within the STIEBEL ELTRON Group
- 02
Consulting, initial consultation and indicative quotation service
- 03
Planning and installation via the specialist partner network
- 04
Customer service, maintenance and service subscriptions
- 05
Further training for installers, planners and architects
Refrigerants and Materials
R290 (propane)
Natural refrigerant of the wpnext heat pump generation for environmentally friendly heating.
R-134a
Synthetic refrigerant with favourable thermodynamic properties, increasingly being replaced by natural refrigerants.
R-410A
Previously widespread synthetic refrigerant in heat pumps.
Stainless steel
Material for hot water tanks and boilers.
Locations
Lupfig
CHHeadquarters, ENERGY CAMPUS with competence centre, showroom, warehouse and office
- Showroom
- Warehouse
- Training and consulting rooms
Products and System Solutions
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heating and cooling with heat pumps (air-to-water)Engineering | – | – | – | – | R290 (propane), R-134a, R-410A |
| Controlled indoor ventilation (central and decentralised) with heat recoveryEngineering | – | – | – | – | – |
| Hot water preparation (boilers, tanks, instantaneous water heaters)Engineering | – | – | – | – | Stainless steel |
| Planning and installation of heat pump systems (new build and renovation)Assembly | – | – | – | – | – |
| Cascade installation of 2 to 6 heat pumps (output up to 90 kW, flow temperature up to 65°C / up toAssembly | – | – | – | – | – |
| Maintenance and inspection (individual maintenance, interval every 2 years, WPL/WPF/WPE up to 22 kW)Testing | – | – | – | – | – |
| Tightness testing of refrigerant lines and components (legally required test)Testing | – | – | – | – | – |
| Cleaning of air distribution systems (air-carrying ducts, interval every 6 years, up to 7 airSurface | – | – | – | – | – |
| Initial consultation (certified by EnergieSchweiz)Engineering | – | – | – | – | – |
| Smart home control and energy management (ISG, KNX, Modbus, MyStiebel app)Engineering | – | – | – | – | – |
| Ventilation with moisture recovery (enthalpy)Engineering | – | – | – | – | – |
16 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Air-to-water heat pump (monoblock) | STIEBEL ELTRON WPL-A (W) Plus HK | – | – | – | Production Holzminden (DE) |
| Air-to-water heat pump | STIEBEL ELTRON WPL-A Trend HK | – | – | – | Production Holzminden (DE) |
| Air-to-water heat pump | STIEBEL ELTRON WPL-A HK Premium | – | – | – | – |
| Air-to-water heat pump (cascade) | STIEBEL ELTRON WPL 24 I | – | – | – | Cascade Bern / Wohlen (CH) |
| Air-to-water heat pump | STIEBEL ELTRON WPL-A 13.2 Plus HK 400 | – | Cascade of 6 units, 39 kW total | – | Nebikon (CH) |
| Brine-to-water heat pump | STIEBEL ELTRON WPE-I 07.1 / 12.1 Plus H 400 | – | – | – | – |
| Brine-to-water heat pump with hot water tank | STIEBEL ELTRON WPE-I 07.1 / 12.1 Plus HW 400 | – | – | – | – |
| Brine-to-water heat pump (premium) | STIEBEL ELTRON WPE-I 04-15 HK 230 Premium | – | – | – | – |
| Ventilation integral system (5-in-1: heating, cooling, hot water, ventilation, air purification) | STIEBEL ELTRON LWZ Premium HKWL | – | Integrated 235-litre domestic hot water tank | – | – |
| Ventilation integral system | STIEBEL ELTRON LWZ Premium HKL / LWZ 07.1 Premium HKL 230 | – | – | – | Merenschwand (CH) |
| Central ventilation unit | STIEBEL ELTRON LWZ 70 E / LWZ 130 E-W / LWZ 180/280 / LWZ-W 450/600 | – | – | – | – |
| Decentralised ventilation unit | STIEBEL ELTRON LWE-W 100 P / LWE-W 115 Plus / LA 100 U/A / LWE 40 | – | – | – | – |
| Classroom ventilation unit | STIEBEL ELTRON VRL-C 300/870 D/G Premium / VRL-C 870 | – | – | – | – |
| Cascade module (2-6 heat pumps) | STIEBEL ELTRON AHP-CM 2-6 CH1/2 | – | – | – | – |
| Buffer tank | STIEBEL ELTRON SBP 700 / SBP 100 | – | – | – | – |
| Hot water tank / boiler | STIEBEL ELTRON SBB 411.B WP SOL / SBB 1000 / HS-BM 1360 WT | – | – | – | – |
Additional services
Quality and Warranty
Every appliance undergoes a safety and functional test before packaging; systematic checks of delivered materials and proven manufacturing processes ensure production quality. A 2-year factory warranty applies as standard, and up to 5 years for heat pumps and ventilation systems.
| Evidence | Lupfig |
|---|---|
| 2-year factory warranty (standard) | |
| 5-year warranty heat pump/ventilation |
Company History
- 1924
Group: founding of ELTRON Dr. Theodor Stiebel in Berlin by Dr. Theodor Stiebel (ring immersion heater).
- 1976
Group: development and production of heat pumps.
- 1978
Company founding of STIEBEL ELTRON Switzerland in Muttenz; initially loss figures, a mixed product range.
- 1981
Urs Gräflein becomes managing director, 11 employees, approx. 100 heat pumps sold, revenue approx. CHF 2 million.
- 1983
20 employees, 228 heat pumps sold, first profitable figures; warehouses in Pratteln.
- 1995
Relocation of the company headquarters to Pratteln; over 700 heat pumps sold annually.
- 1999
Group: first appliance combining heating, ventilation, cooling and hot water preparation.
- 2005
Paul Stalder takes over the management from Urs Gräflein; annual revenue CHF 23 million.
- 2006
Establishment of an in-house customer service department.
- 2007
Purchase of 6'000 m² of building land in Lupfig for the company's own headquarters.
- 2012
Occupancy of the ENERGY CAMPUS in Lupfig (competence centre for renewable energies).
- 2015
New vehicle fleet; opening of the Energy Campus Holzminden (Group).
- 2016
Expansion of the management team by Patrick Drack and Martin Hartmann.
- 2020
Patrick Drack becomes managing director (successor to Paul Stalder); new management team with Chris Knellwolf and Peter Waldburger.
- 2022
Martin Sägesser takes over the COO function; more than 200 employees across Switzerland.
- 2024
Group: 100th company anniversary.
- 2025
Group: new wpnext heat pump generation with the natural refrigerant R290.