Development and production of heating technology: heat pumps, gas condensing boilers, cylinders, controls and digital system solutions.
Vaillant Deutschland GmbH & Co. KG
Remscheid (Berghauser Str. 40) · Remscheid-Lennep (Bahnhofstr. 15)New on Amplifa
About Vaillant
Vaillant Deutschland GmbH & Co. KG, headquartered in Remscheid, develops and produces heating technology systems: air-to-water heat pumps (aroTHERM), gas condensing boilers (ecoTEC, ecoCOMPACT, ecoVIT, ecoCRAFT), hot water cylinders, hydraulic stations, ventilation units, air conditioning systems, photovoltaic and solar thermal components as well as system controllers. According to its own statements, the family-owned company, founded in 1874 by Johann Vaillant, manufactures in its own production facilities in Europe and supplies over 30 million households worldwide. Electronic components for the control and regulation of heat pumps and gas heating appliances are manufactured in a dedicated plant with a capacity of 5 million components per year. All products undergo 300 functional and accelerated lifetime tests in the company's own test centre, including climate tests from -25 °C to 48 °C, 15,000 hours of continuous operation, and tests for EMC, moisture, corrosion and noise emissions. The factory customer service with around 320 technicians in Germany was awarded "TÜV Service tested sehr gut" by TÜV Saarland for the seventh consecutive time in 2025.
- Site
- Remscheid
- Processes
- Customer service (365 days/year), Maintenance, Repair, Remote optimisation (OptimierungPLUS), Digital energy management (EnergiePLUS), Subsidy advisory service, Remote support, Guarantee packages
- Materials
- Natural refrigerant propane (R290)
- Certificates
- TÜV Service tested (top grade "sehr gut"), TÜV Service tested (sehr gut)
- Founded
- 1874
- Industries
- Heating technology, Heat pumps, Gas condensing technology, Photovoltaics, Solar thermal, Ventilation
- 01
Research and development (Johann Vaillant Technology Centre)
- 02
Manufacturing in Europe
- 03
Test centre with functional and lifetime tests
- 04
Distribution via skilled trade partners
- 05
Customer service, maintenance and digital services
Products and Technologies
Natural refrigerant propane (R290)
Used in the aroTHERM plus air-to-water heat pump for future-proof heat pump technology.
Sites
Remscheid
DECompany headquarters, development, test centre and manufacturing
- Test centre with 300 functional and accelerated lifetime tests
- Plant for electronic components (5 million components/year)
Industries
Additional services
Quality and Testing
All products undergo 300 functional and accelerated lifetime tests in the company's own test centre in Remscheid, including climate tests from -25 °C to 48 °C and continuous operation tests. The factory customer service received the TÜV seal "Service tested sehr gut" for the seventh consecutive time in November 2025.
| Evidence | Remscheid |
|---|---|
| TÜV Service tested (sehr gut) |
History
- 1874
Johann Vaillant sets up his own business in Remscheid as a coppersmith and pump maker
- 1894
Patent for the gas bath boiler as a "closed system"
- 1897
Move to larger premises due to sales successes and exports
- 1899
Trademark registration "Easter Bunny in the Egg" (Vaillant bunny)
- 2024
Scheduled discontinuation of service for ecoPOWER 1.0 and ecoPOWER 20.0 (handover to specialist partners or the manufacturer)
- 2025
TÜV Service tested "sehr gut" for the factory customer service – for the seventh consecutive time