
Plumbing and heating company in Leopoldshöhe for bathroom construction, heating technology, ventilation and renewable energies.

Dück & Hertel Haustechnik GmbH
Westring 59, 33818 LeopoldshöheNew on Amplifa
About us
Dück & Hertel Haustechnik GmbH is a plumbing, heating and air conditioning company based in Leopoldshöhe (North Rhine-Westphalia). The company provides consultation, planning, installation and maintenance as a complete service. Its range of services includes bathroom construction (new builds, conversions, renovations), heating concepts with underfloor heating and radiators, potable water and wastewater installation, controlled residential ventilation with heat recovery, renewable energies such as solar thermal, heat pumps and wood pellet boilers, geothermal/ground-source heat installations, rainwater harvesting systems and pipe insulation. In addition, leak testing and leak detection on wastewater pipes, pipe cleaning, maintenance services for heating, air conditioning and ventilation systems, and advice on funding subsidies are offered. The management is held by Mario Hertel and Pascal Hertel; both managing directors hold master craftsman qualifications (plumbing and heating trade or well drilling trade). The company works with brands such as Bette, Kaldewei, Laufen, Geberit, GROHE, Viega, Viessmann and Zehnder.
- Site
- Leopoldshöhe
- Processes
- Geothermal/ground-source heat installation, Heating installation and heating concepts (underfloor heating, radiators), Potable water and wastewater installation, Controlled residential ventilation with heat recovery (including ground heat exchanger), Heat pump installation (air, groundwater, ground source), Renewable energies (solar thermal, heat pumps, wood pellet boilers), Rainwater harvesting systems, Pipe insulation/pipe lagging
- Materials
- Glazed titanium steel (BetteGlasur), Steel enamel (Kaldewei), Sanitary ceramics, Glazed titanium steel sheet
- Industries
- Plumbing, heating and air conditioning (SHK), Private households/new construction and renovation
- 01
Consultation and bathroom planning
- 02
Project engineering and quotation calculation
- 03
Installation (plumbing, heating, ventilation, heat pumps)
- 04
Commissioning and leak testing
- 05
Maintenance and customer service
Materials & Equipment
Glazed titanium steel sheet
Material of the Bette bath elements, which are installed as part of bathroom planning and installation.
Steel enamel (Kaldewei)
Material of the Kaldewei sanitary products used by the company.
Sanitary ceramics
Bathroom ceramics including products from Laufen for bathroom designs.
Location
Leopoldshöhe
DEHeadquarters
- Materials
- glazed titanium steel, steel enamel, sanitary ceramics
Service Areas



Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Geothermal/ground-source heat installationEngineering | – | – | – | – | – |
| Heating installation and heating concepts (underfloor heating, radiators)Engineering | – | – | – | – | – |
| Potable water and wastewater installationEngineering | – | – | – | – | – |
| Controlled residential ventilation with heat recovery (including ground heat exchanger)Engineering | – | – | – | – | – |
| Heat pump installation (air, groundwater, ground source)Engineering | – | – | – | – | – |
| Renewable energies (solar thermal, heat pumps, wood pellet boilers)Engineering | – | – | – | – | – |
| Rainwater harvesting systemsEngineering | – | – | – | – | – |
| Pipe insulation/pipe laggingEngineering | – | – | – | – | – |
| Leak testing/leak detection on wastewater pipesTesting | – | – | – | – | – |
| Maintenance services for heating systems, groundwater systems, air conditioning and ventilationTesting | – | – | – | – | – |
| Bathroom planning and installation (bathroom construction, new builds, conversions, renovations)Assembly | – | – | – | – | glazed titanium steel, steel enamel, bathroom ceramics |
| Ventilation system maintenance (filter replacement, visual and functional inspection, airflowTesting | – | – | – | – | – |
| Fitting installation (kitchen and bathroom fittings, including smart/touchless models)Assembly | – | – | – | – | – |
| Well construction (master craftsman qualification in the well drilling trade)Engineering | – | – | – | – | – |
Additional services