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Wiemann Haustechnik – Fertigung

Specialist company for plumbing, heating, air conditioning and ventilation technology with installation, maintenance and 24h emergency service

Wiemann Haustechnik Logo

Wiemann Haustechnik GmbH

Georgsmarienhütte (Oeseder Straße 105)New on Amplifa

1910Founded
GeorgsmarienhütteLocation
1994Converted to GmbH

About us

Wiemann Haustechnik GmbH is a plumbing and heating specialist company based in Georgsmarienhütte near Osnabrück. The family business, founded in 1910 and now in its fourth generation, realizes heating installations (gas, oil, district heating), plumbing installation and bathroom construction, drinking water and wastewater installation, air conditioning technology and ventilation systems for private and commercial properties. Further service areas include the installation of renewable energies such as solar systems and heat pumps, rainwater utilization systems, pipe insulation, roofing metalwork as well as structural drying, leak detection, tightness testing and pipe cleaning. For planners and architects, the company offers bathroom design and building services project planning. The offering is complemented by maintenance services for heating, air conditioning and ventilation as well as a 24-hour emergency service 365 days a year. Customers are private households, commercial businesses, office buildings, hotels, gastronomy, industry and public institutions such as schools, sports facilities, hospitals and retirement homes in the greater Osnabrück area.

Site
Georgsmarienhütte
Processes
Heating installation (gas heating, oil heating, district heating), Plumbing installation / bathroom construction (new construction, conversion, renovation), Drinking water and wastewater installation, Air conditioning technology (air conditioning installation, split and central systems), Ventilation systems (controlled residential ventilation, ventilation concepts, commercial, Installation of renewable energies / solar systems, Rainwater utilization systems, Structural drying / building drying
Materials
Heating installation, Plumbing installation and bathroom construction, Ventilation technology, Air conditioning technology, Renewable Energies, Maintenance and Testing
Certificates
Certification as family-friendly employer
Founded
1910
Industries
Private households, Commercial/retail, Office buildings, Hotels, Gastronomy, Industry
  1. 01

    Consultation and needs analysis

  2. 02

    Planning and conception

  3. 03

    Installation and assembly

  4. 04

    Testing and commissioning

  5. 05

    Maintenance and customer service

  6. 06

    Emergency service

Services and Technology

MONT

Heating installation

Installation of gas, oil and district heating systems including central heating for apartment buildings and private homes.

SAN

Plumbing installation and bathroom construction

Planning and execution of bathrooms in new construction, conversion and renovation.

KWL

Ventilation technology

Controlled residential ventilation and commercial ventilation systems with heat recovery.

KKA

Air conditioning technology

Installation of split, multi-split and central air conditioning systems for private and commercial properties.

RE

Renewable Energies

Installation of solar systems and heat pumps including subsidy consultation.

WART

Maintenance and Testing

Maintenance of heating, air conditioning and ventilation systems, tightness testing, leak detection and pipe cleaning.

Location

Georgsmarienhütte

DE

Head office / Operating facility

Materials
Heating, plumbing, air conditioning, ventilation

Service Areas

Bathroom design and bathroom construction
Bathroom design and bathroom constructionPlumbing installation · Private households/commercial

Inside the production

Bathroom planning and bathroom modernization
Bathroom planning and bathroom modernization

Industries

Private householdsCommercial/retailOffice buildingsHotelsGastronomyIndustryPublic institutionsPublic institutions (schools, sports facilities, hospitals, retirement homes)

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Heating installation (gas heating, oil heating, district heating)Assembly–––––
Plumbing installation / bathroom construction (new construction, conversion, renovation)Assembly–––––
Drinking water and wastewater installationAssembly–––––
Air conditioning technology (air conditioning installation, split and central systems)Assembly–––––
Ventilation systems (controlled residential ventilation, ventilation concepts, commercialAssembly–––––
Installation of renewable energies / solar systemsAssembly–––––
Rainwater utilization systemsAssembly–––––
Structural drying / building dryingOther–––––
Pipe insulation / pipe insulation workAssembly–––––
Tightness testing of pipes and wastewater linesTesting–––––
Leak detection and pipe cleaningTesting–––––
Maintenance services (heating, air conditioning, ventilation, technical systems)Testing–––––
Air conditioning maintenanceTesting–––––
Ventilation system maintenance (filter replacement, air volume and function testing)Testing–––––
Emergency service 24h / burst pipe and fault rectificationAssembly–––––
Roofing metalworkAssembly–––––
Heating maintenanceTesting–––––
Bathroom planning / building services project planning for planners and architectsEngineering–––––

Additional services

Heating installationPlumbing installationAir conditioning technologyVentilation systemsBathroom planning and bathroom constructionRenewable energies (solar, heat pumps)Drinking water and wastewater installationRoofing metalworkStructural drying/building dryingLeak detectionTightness testingPipe insulationRainwater utilization systemsMaintenance services24h emergency servicePipe cleaningPlanning and consulting for public and commercial properties

Quality and Further Training

Employees are regularly kept up to date with the latest technology through training. In 2019, certification as a family-friendly employer was obtained.

EvidenceGeorgsmarienhütte
Certification as family-friendly employer

History

  1. 1910

    Founded by master gas and water installer Franz Wiemann at Oeseder Straße 105 in Georgsmarienhütte; initially mostly plumbing work.

  2. 1956

    Purchase of the first company vehicle (van).

  3. 1960

    Management by Josef Wiemann; construction of an additional workshop and warehouse hall.

  4. 1965

    Installation of the first (still coal-fired) central heating systems.

  5. 1975

    First conversion of the business premises.

  6. 1984

    Death of the founder and of Josef Wiemann; management taken over by grandson Franz Wiemann after completing his master craftsman examination.

  7. 1987

    Second conversion phase and modernization of the office rooms.

  8. 1990

    Set-up of the first IT system for two workstations.

  9. 1994

    Conversion into Franz Wiemann GmbH; Susanne Wiemann joins the company.

  10. 2008/2009

    Demolition of the workshop building and construction of a new modern office building.

  11. 2010

    100th company anniversary and renaming to Wiemann Haustechnik GmbH.

  12. 2013

    Son Dennis Wiemann joins the company.

  13. 2016

    New vehicle paintwork in white.

  14. 2019

    Certification as a family-friendly employer.

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