Master-certified company for plumbing, heating and air conditioning: bathroom modernisation, heating construction, maintenance and energy consulting from a single source.
Grützenbach Sanitär + Heizungstechnik GmbH
Lohmar (DE)New on Amplifa
About us
Grützenbach Sanitär + Heizungstechnik GmbH is a family-run master-certified trade company for plumbing, heating and air conditioning technology based in Lohmar in the Rhein-Sieg district. Founded in 1965 by Willi Grützenbach, the company installs heating systems with modern condensing technology as well as concepts using heat pumps, solar, PV and pellet systems, carries out bathroom modernisations up to complete wellness oases, and installs air conditioning and ventilation systems. All trades such as tiling, electrical, painting and drywall work are executed from a single source. The range of services also includes maintenance contracts, customer service, pipe renovation with camera inspection, gas operational safety checks in accordance with the 1st BlmSchV as well as energy and subsidy consulting. The company is recognised as a certified specialist company for senior-friendly and barrier-free construction and living, and since 2018 has operated a bathroom showroom covering 500 square metres on two levels at the Raiffeisenstraße 9 location.
- Site
- Lohmar
- Processes
- Heating installation (gas, oil, pellet, heat pump, solar systems), Plumbing installation (bathroom modernisation, pipe renovation, pump/meter installation), Air conditioning and ventilation systems (split units, residential ventilation, supply and exhaust, Heating maintenance (oil/gas/biomass/heat pump), Gas operational safety check in accordance with 1st BlmSchV, Pipe inspection with camera, Complete bathroom renovation incl. tiling, electrical, painting and drywall work, Energy consulting / subsidy consulting
- Materials
- Plumbing installation, Heating technology, Air conditioning and ventilation technology, Inspection and maintenance services
- Certificates
- Specialist company for senior-friendly and barrier-free construction and living, Energy consultant in the HVAC trade
- Founded
- 1965
- Industries
- Plumbing and heating technology, HVAC trades
- 01
Consulting and energy/subsidy consulting
- 02
Planning and quotation preparation
- 03
Installation of plumbing/heating/air conditioning
- 04
Coordinated execution of all trades
- 05
Maintenance, customer service and inspection
Services and Technology
Plumbing installation
Installation and repair of sanitary facilities, pipe renovation, pump and meter installation.
Heating technology
Installation and modernisation of gas, oil, pellet, heat pump and solar systems including underfloor heating and radiators.
Air conditioning and ventilation technology
Split units, controlled residential ventilation as well as supply and exhaust air systems.
Inspection and maintenance services
Heating maintenance with maintenance contract, gas operational safety check and pipe inspection with camera.
Locations
Lohmar
DECompany headquarters with bathroom showroom
- Materials
- Plumbing, heating, air conditioning
- Bathroom showroom covering 500 sqm on two levels
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heating installation (gas, oil, pellet, heat pump, solar systems)Assembly | – | – | – | – | – |
| Plumbing installation (bathroom modernisation, pipe renovation, pump/meter installation)Assembly | – | – | – | – | – |
| Air conditioning and ventilation systems (split units, residential ventilation, supply and exhaustAssembly | – | – | – | – | – |
| Heating maintenance (oil/gas/biomass/heat pump)Inspection | – | – | – | – | – |
| Gas operational safety check in accordance with 1st BlmSchVInspection | – | – | – | – | – |
| Pipe inspection with cameraInspection | – | – | – | – | – |
| Complete bathroom renovation incl. tiling, electrical, painting and drywall workAssembly | – | – | – | – | – |
| Energy consulting / subsidy consultingEngineering | – | – | – | – | – |
Additional services
Quality and Certification
As a certified specialist company for senior-friendly and barrier-free construction and living (Fachverband Sanitär Heizung Klima NRW and Chamber of Crafts Düsseldorf), the company works with qualified skilled personnel; maintenance is carried out according to defined service specifications including measurement protocol in accordance with the 1st BlmSchV.
| Evidence | Lohmar |
|---|---|
| Specialist company for senior-friendly and barrier-free construction and living | |
| Energy consultant in the HVAC trade |
History
- 1965
Willi Grützenbach founds the plumbing and heating company in Lohmar in a private garage with one installer.
- 1977
Son Dieter begins his apprenticeship as a central heating and ventilation technician; move to the former business premises.
- 1985
Dieter Grützenbach passes the master craftsman examination before the Chamber of Crafts Cologne.
- 2000
Dieter and Elke Grützenbach continue running the company in the 2nd generation with approx. 20 employees.
- 2011
Elke Grützenbach passes the examination as a business administrator in the trades at the Chamber of Crafts Koblenz.
- 2012
Son Maximilian begins an apprenticeship as a wholesale and foreign trade clerk.
- 2014
Son Jan starts his apprenticeship as a plumbing, heating and air conditioning systems mechanic (SHK).
- 2015
Maximilian also begins his apprenticeship as a plumbing, heating and air conditioning systems mechanic (SHK).
- 2017
Elke Grützenbach passes the examination as a bathroom manager at the VDS; move from Schlesierweg 5 to the new building at Raiffeisenstraße 9.
- 2018
Opening of the bathroom showroom covering 500 sqm on two levels; Maximilian and Jan pass the systems mechanic examination.
- 2020
Maximilian Grützenbach passes the master craftsman examination.
- 2022
Jan Grützenbach passes the master craftsman examination.
- 2025
60th company anniversary.