
Development and manufacturing of heat pumps, instantaneous water heaters, storage tanks and ventilation systems for building energy.
STIEBEL ELTRON UK Ltd
Bromborough (Wirral), UK · Holzminden · Höxter · Eschwege · Freudenberg · Hameln · Poprad · Arvika · Ayutthaya · TianjinNew on Amplifa
About STIEBEL ELTRON
STIEBEL ELTRON is a family-owned company founded in 1924 by Dr. Theodor Stiebel, with its group headquarters in Holzminden. The company develops and produces air-to-water and brine-to-water heat pumps, domestic hot water heat pumps, instantaneous water heaters, hot water storage tanks, fresh water and heat interface units, and ventilation systems with heat recovery. Heat pumps have been manufactured since 1976; cumulatively, over 500,000 heat pumps have been produced. The group employs more than 4,000 staff worldwide and produces at sites in Germany (Holzminden, Höxter, Eschwege, Freudenberg, Hameln), Slovakia (Poprad), Sweden (Arvika, Thermia AB), Thailand (Ayutthaya) and China (Tianjin). The UK subsidiary Stiebel Eltron UK Ltd, based in Bromborough, Wirral, was founded in 2008 and is responsible for sales, project consultancy, training and service in Great Britain; it is certified to ISO 9001. Customers come from the plumbing and heating trades, residential construction, Leisure & Hospitality, public facilities and building services.
- Site
- CH62 3RP Bromborough, Wirral
- Processes
- Design / planning support, Training (Heat Pump Pass 1 & 2, Energy Campus), Service / maintenance / repair, Remote monitoring ISG / Service World, Marketing services for partners, Spare parts logistics (Advanced Water), Onsite support for installers, Project consultancy and quotation preparation
- Materials
- Propane (R290 refrigerant)
- Certificates
- ISO 9001
- Founded
- 1924
- Employees
- over 4,000 worldwide
- Industries
- Heating / plumbing and heating trades, Residential construction and property developers, Leisure & Hospitality, Public facilities and education, Building services and facility management, Residential construction / developers (e.g. student housing)
- 01
Development and design
- 02
Production of heat pumps, instantaneous water heaters, storage tanks and
- 03
Sales and project consultancy
- 04
Training (Heat Pump Pass, Energy Campus)
- 05
Remote monitoring and service/maintenance
- 06
Spare parts logistics
Products and Technologies
Propane (R290 refrigerant)
Natural refrigerant with low GWP, used in next-generation heat pumps (e.g. WPL Premium).
Sites

Bromborough (Wirral)
GBUK headquarters: sales, training, showroom
- Showroom and training centre (investment of over £350,000, 2022)
Holzminden
DEGroup headquarters and largest production plant: instantaneous water heaters, air-to-water heat pumps, storage tanks
- Energy Campus (training and communication centre)
Höxter
DEHeat pump production
Eschwege
DEProduction of plastic parts as well as small water heaters and boilers
Freudenberg
DEProduction of heat pump ventilation systems
Hameln
DEProduction of fresh water and heat interface units
Poprad
SKProduction and sales of domestic hot water heat pumps and hot water storage tanks
Arvika
SEDevelopment, production and sales of brine-to-water heat pumps (Thermia AB, since 2018)
Ayutthaya
THProduction of compact instantaneous water heaters, instantaneous water heaters and storage tanks (since 2001)
Tianjin
CNProduction of ventilation systems, heat pumps and electric heating appliances (since 2004)
Products



Inside the production





Industries
Additional services
Reference customers
Quality
The UK company has been certified to ISO 9001 since 2013; the certification demonstrates an established quality management system with annual re-certification. Project quality has been recognised multiple times with national awards (including Commercial Project of the Year, Environmental Business of the Year).
| Evidence | Bromborough (Wirral) |
|---|---|
| ISO 9001 |
History
- 1924
Dr. Theodor Stiebel invents and produces the immersion heater in a back-yard workshop in Berlin.
- 1944
Relocation of the company to Holzminden (Lower Saxony) after the plant was destroyed in the Second World War.
- 1976
Development and production of heat pumps – one of the first companies worldwide.
- 2001
Start of production in Ayutthaya, Thailand.
- 2004
Production site Tianjin, China, becomes part of the group.
- 2008
Foundation of the UK subsidiary Stiebel Eltron UK Ltd.
- 2012
Winner of the Stiebel Eltron International Challenge; partnership with Huf Haus.
- 2013
ISO-9001 certification of the UK company.
- 2014
Installation of the largest seawater heat pump in Great Britain with the National Trust.
- 2017
10 years of the UK company; 16 % revenue growth.
- 2018
Acquisition of Thermia AB (Arvika, Sweden).
- 2019
Environmental Business of the Year at the Wirral Business Awards.
- 2020
First 400V instantaneous water heater installation in the UK; strategic stake in Zimmermann Ventilation; opening of the Energy Campus.
- 2021
70 % revenue increase in the UK; launch of the WPL Premium with a new refrigerant.
- 2022
Investment of over £350,000 in a new showroom and training centre; 14th year of continuous growth.
- 2023
Great Place to Work certification (94 % Trust Score).