Specialist company for heating, sanitary, ventilation and building technology – from planning through installation to service.
Wolfgang Blum Heizungs- und Sanitär GmbH
KölnNew on Amplifa
About us
Wolfgang Blum Heizung- und Sanitär GmbH is a trade business for sanitary, heating and building technology based in Cologne. The company plans and installs sanitary systems from the house connection to the sewer, modernises heating systems (gas, oil, LPG, heat pump, solar thermal, pellet heating) and implements heat distribution via radiators as well as underfloor and wall heating. The portfolio also includes ventilation systems, drinking water treatment, photovoltaic systems with battery storage, intelligent building control and turnkey bathroom renovations, including barrier-free bathrooms with coordination of all trades. In addition, the company offers maintenance and customer service, heating checks, energy consulting, leak detection, pipe cleaning and building drying. Customers are private and commercial clients in Cologne and the surrounding area, who benefit from consulting, planning, installation and service from a single source.
- Site
- Köln
- Processes
- Heating installation/heating modernisation (condensing boilers, oil/gas heating, LPG), Heat pump heating installation (air/water, brine/water, hybrid heating), Solar thermal installation (solar heating), Photovoltaic system installation, Installation of radiators (panel radiators, tubular radiators, column radiators, convectors), Underfloor and wall heating (surface heating) installation, Sanitary installation (planning and installation of sanitary systems from the house connection to, Drinking water treatment (water filters, softening/descaling, legionella prevention)
- Materials
- Copper pipe, Plastic pipe, Porcelain stoneware (bathroom flooring), PVC (bathroom flooring), Wood pellets (fuel), Porcelain stoneware, PV modules, Solar thermal collectors
- Certificates
- Recognised specialist company, Certified skilled personnel, ISO 9001, ISO 14001
- Founded
- 1989
- Industries
- Building services / plumbing, heating and air conditioning (SHK) trade, Private customers, Commercial customers
- 01
Consulting and planning
- 02
Installation of the systems
- 03
Coordination of all trades
- 04
Commissioning and acceptance
- 05
Maintenance and customer service
Materials and Systems
Copper pipe
Proven material for sanitary and drinking water installations from Wolfgang Blum GmbH.
Plastic pipe
Pipe material for drinking water installation, also usable as flooring in the bathroom.
Porcelain stoneware
Flooring material for the joint-free bathroom with high resistance.
PV modules
High-efficiency solar modules for photovoltaic systems for private and commercial customers.
Solar thermal collectors
Components of the solar heating system for converting solar energy into heat.
Wood pellets
Fuel for the pellet heating system as a renewable raw material.
Location
Köln
DECompany headquarters / business premises
- Materials
- Copper pipe, plastic pipe, PV modules, solar thermal collectors
- Craft workshop
- Service vehicles
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heating installation/heating modernisation (condensing boilers, oil/gas heating, LPG)Assembly | – | – | – | – | Gas condensing boiler, Oil condensing boiler, LPG heating, Constant temperature boiler (replacement) |
| Heat pump heating installation (air/water, brine/water, hybrid heating)Assembly | – | – | – | – | Air/water heat pump, Brine/water heat pump, Hybrid heating, Pellet heating |
| Solar thermal installation (solar heating)Assembly | – | – | – | – | solar thermal system, solar collectors |
| Photovoltaic system installationAssembly | – | – | – | – | PV modules, inverters, battery storage |
| Installation of radiators (panel radiators, tubular radiators, column radiators, convectors)Assembly | – | – | – | – | Panel radiators, tubular radiators, column radiators, convectors |
| Underfloor and wall heating (surface heating) installationAssembly | – | – | – | – | Underfloor heating, wall heating |
| Sanitary installation (planning and installation of sanitary systems from the house connection toAssembly | – | – | – | – | Copper pipe, plastic pipe |
| Drinking water treatment (water filters, softening/descaling, legionella prevention)Assembly | – | – | – | – | Water filter, softening system, rainwater and greywater utilisation |
| Heating system maintenance and customer serviceAssembly | – | – | – | – | – |
| Leak detection (gas, acoustic, thermographic, ultrasonic, dye)Testing | – | – | – | – | – |
| Pipe and duct cleaning with camera inspection, leak testingTesting | – | – | – | – | – |
| Building drying and moisture measurementTesting | – | – | – | – | – |
| Assembly | – | – | – | – | plaster, PVC, porcelain stoneware, wood floors, laminate (wet rooms) |
| Barrier-free bathroom installation (level-access shower, grab rails, fold-down shower seat)Assembly | – | – | – | – | – |
| Ventilation installation (central and decentralised residential ventilation)Assembly | – | – | – | – | – |
| Installation of central vacuum cleaner systemsAssembly | – | – | – | – | – |
| Intelligent building control / smart home, energy consulting (energy performance certificate,Engineering | – | – | – | – | – |
Additional services
Quality
Wolfgang Blum GmbH is a recognised specialist company and works with certified skilled personnel in accordance with manufacturers' specifications; the heating check documents the system and temperatures with a list of prioritised recommendations for action.
| Evidence | Köln |
|---|---|
| Recognised specialist company | |
| Certified skilled personnel | |
| ISO 9001 | |
| ISO 14001 |
Company History
- 1987
Master craftsman examination as a master in central heating and ventilation construction
- 1989
Takeover of the company Friedhelm Koene in Cologne-Nippes and start of self-employment, including the transfer of all employees and apprentices employed there
- 1990
Master craftsman examination as a gas and plumbing installer
- 1991
Conversion of the company into a GmbH (limited liability company)
- 1993
Move to new business premises on Ulmer Str. in Cologne-Bilderstöckchen with simultaneous staff expansion
- 2002
Move to the current company headquarters, Osterather Str. 7