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Specialist company for heating construction, bathroom renovation, plumbing, air conditioning/ventilation and water treatment in Königswinter.

DO

Ferdinand Dohle Haustechnik GmbH

Königswinter (Stieldorf)New on Amplifa

over 50 yearsIn existence (own statement, elsewhere over 70 years)
Königswinter/StieldorfHeadquarters and operations
Private household to large-scale projectCustomer spectrum
365 days / 24 hoursEmergency service availability

About Dohle Haustechnik

Ferdinand Dohle Haustechnik GmbH is a skilled-trades company for building services, plumbing and energy based in Königswinter/Stieldorf. Its range of services includes heating construction and heating maintenance, bathroom renovation and bathroom planning, tiling work, plumbing installation, air conditioning and ventilation, water treatment and water softening, solar thermal, heat pumps (air-water and ground-source) as well as maintenance of refrigeration technology and an emergency service. The company serves customers from private households to large-scale projects, in both new construction and modernisation, mainly in the Bad Honnef, Königswinter, St. Augustin, Siegburg and Bonn area. Bathroom renovations are implemented completely from a single source, from planning through consulting to execution, including virtualisation of the bathroom. In reference projects, Grünbeck water softening systems, Viessmann air-water heat pumps and ground-source heat pumps with a fresh water station, among others, have been installed. According to its own information, the company has existed for over 50 years (elsewhere: over 70 years).

Site
Königswinter/Stieldorf
Processes
Heating construction (installation of heating systems), Bathroom renovation / bathroom planning, Tiling work, Water treatment / water softening (installation), Air conditioning & ventilation (system installation), Heating maintenance and service, Installation of solar thermal systems, Plumbing installation
Materials
Mineral cast, Natural plaster, Tropical wood from Brazil, Natural wood, Porcelain, Tropical wood (Brazil), Grünbeck softliQ:SD21, Grünbeck exaliQ:SC6-e
Industries
HVAC (plumbing, heating, air conditioning), Residential buildings (new construction and modernisation), Multi-family houses/large-scale projects, Private households to large-scale projects, New construction and modernisation
  1. 01

    Consulting and planning

  2. 02

    Quotation and sales meeting

  3. 03

    Installation/assembly of the systems

  4. 04

    Commissioning

  5. 05

    Maintenance, customer service and emergency service

Materials and systems

MIN

Mineral cast

Used for walk-in showers and bathtubs in bathroom renovations.

PORZ

Porcelain

Sanitary objects (e.g. from Globu) in bathroom renovations.

HOLZ

Natural wood

Custom-made bathroom furniture and wood-look fittings.

TROPHOLZ

Tropical wood (Brazil)

Used in a bathroom renovation in an old building in Siegburg.

NATURPUTZ

Natural plaster

Surface material in the old-building bathroom renovation in Siegburg.

GB-SD21

Grünbeck softliQ:SD21

Water softening system with water sensor and leak alarm.

GB-SC6E

Grünbeck exaliQ:SC6-e

Dosing system for the heating system against corrosion.

VI-WP

Viessmann air-water heat pump (13 kW)

Installed during a heating modernisation in Königswinter.

EWP

Ground-source heat pump with fresh water station

Uses ground heat for heating and hygienic hot water preparation.

Locations

Königswinter (Stieldorf)

DE

Headquarters and operations

Materials
Mineral cast, porcelain, natural wood, natural plaster
  • Grünbeck softliQ:SD21 (water softening)
  • Grünbeck exaliQ:SC6-e (dosing system)
  • Viessmann air-water heat pump (13 kW)
  • Ground-source heat pump with fresh water station

Industries

HVAC (plumbing, heating, air conditioning)Residential buildings (new construction and modernisation)Multi-family houses/large-scale projectsPrivate households to large-scale projectsNew construction and modernisation

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Heating construction (installation of heating systems)Assembly–––––
Bathroom renovation / bathroom planningAssembly–––––
Tiling workSurface––––Tiles
Water treatment / water softening (installation)Assembly–––––
Air conditioning & ventilation (system installation)Assembly–––––
Heating maintenance and serviceTesting–––––
Installation of solar thermal systemsAssembly–––––
Plumbing installationAssembly–––––
Installation of heat pumps (air-water, ground-source heat pump)Assembly–––––
Refrigeration technology (maintenance/service)Assembly–––––

4 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Water softening systemGrünbeck softliQ:SD21 (SD21)–––Königswinter
Dosing systemGrünbeck exaliQ:SC6-e–––Königswinter
Air-water heat pumpViessmann–13 kW heating output–Königswinter
Ground-source heat pump with fresh water station––––Bonn Bad Godesberg

Additional services

Heating constructionHeating maintenanceBathroom renovationBathroom planningTilingWater treatment/water softeningAir conditioning & ventilationPlumbing installationSolar thermal installationHeat pump installationRefrigeration technology maintenanceEmergency serviceService contract/maintenance contracts

History

  1. ca. 1950er–1

    Founding of the company; own statements vary between "over 50 years" and "over 70 years"

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