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Otto Sieve – Fertigung

Heating, ventilation, plumbing and solar technology: consulting, planning, installation, maintenance and emergency service from Lohne.

Otto Sieve Logo

Otto Sieve GmbH

LohneNew on Amplifa

1967Founded
LohneLocation
Heating, ventilation, plumbing, solarService fields

About us

Otto Sieve GmbH is a master-craftsman business founded in 1967 and based in Lohne, specializing in heating, ventilation, plumbing and solar technology. The family-owned company offers the full spectrum of modern building services: from energy-efficient heating systems with heat pumps and gas boilers to radiators and underfloor heating, as well as bathroom design and solar and heat pump technology. In the field of ventilation & climate, the company plans and installs controlled residential ventilation, central and decentralized ventilation systems with heat recovery, single-room ventilation units and room air conditioners. The offering is complemented by subsidy consulting (BEG), maintenance, repair and servicing, an emergency and breakdown service, gas line inspections as well as pipe cleaning, burst pipe repair and structural drying. The company supports new construction projects, renovations and modernizations from consulting and planning through to execution, and works with manufacturers such as Buderus/Bosch Thermotechnik, Wolf, Helios, Vallox, Dornbracht and Villeroy & Boch.

Site
Lohne
Processes
Heating installation (gas boilers, radiators, underfloor heating), Heat pump installation, Plumbing installation / Bathroom & Wellness, Solar technology installation (flat-plate collector, tube collector), Ventilation system construction (controlled residential ventilation, central/decentralized, Installation of ceiling fans, air heaters, central vacuum systems, room air conditioners, Air conditioning installation, Maintenance, repair & servicing of heating, plumbing and ventilation systems
Materials
Consulting & Planning, Installation & Assembly, Maintenance & Service
Founded
1967
Industries
Building services / HVAC & plumbing trades, Residential construction / New build & renovation
  1. 01

    Consulting and energy/subsidy consulting (BEG)

  2. 02

    Planning

  3. 03

    Installation and system construction

  4. 04

    Maintenance, inspection, repair

  5. 05

    Emergency and breakdown service

Services & Technology

ENG

Consulting & Planning

Individual planning of building services projects for new construction, renovation and modernization, including BEG subsidy consulting.

MONT

Installation & Assembly

Installation of heating, ventilation, plumbing, climate control and solar systems as well as heat pumps.

SERV

Maintenance & Service

Regular maintenance, repair, gas line inspection, pipe cleaning and emergency service for reliable system operation.

Locations

Standort Lohne

Lohne

DE

Headquarters / Operations

Materials
Heating, ventilation, plumbing and solar technology
  • Modern machinery and vehicle fleet
  • Extensive materials and spare parts warehouse
  • Structural drying equipment

Service Areas

Heating & Heat
Heating & HeatInstallation · Building services
Ventilation & Climate
Ventilation & ClimateVentilation system construction · Building services
Solar Technology
Solar TechnologyFlat-plate and tube collectors · Renewable energy
Bathroom & Wellness
Bathroom & WellnessPlumbing installation · Residential construction

Inside the production

Heating installation
Heating installation
Bathroom
Bathroom
Solar technology
Solar technology
Ventilation system
Ventilation system
Bathroom & Wellness
Bathroom & Wellness

Industries

Building services / HVAC & plumbing tradesResidential construction / New build & renovation

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Heating installation (gas boilers, radiators, underfloor heating)Assembly–––––
Heat pump installationAssembly–––––
Plumbing installation / Bathroom & WellnessAssembly–––––
Solar technology installation (flat-plate collector, tube collector)Assembly–––––
Ventilation system construction (controlled residential ventilation, central/decentralizedAssembly–––––
Installation of ceiling fans, air heaters, central vacuum systems, room air conditionersAssembly–––––
Air conditioning installationAssembly–––––
Maintenance, repair & servicing of heating, plumbing and ventilation systemsAssembly–––––
Emergency service for faults and failuresAssembly–––––
Gas line inspection (leak and function testing)Testing–––––
Pipe cleaning & pipe inspectionAssembly–––––
Repair of burst pipes and water damage / leak detectionAssembly–––––
Structural dryingAssembly–––––
Subsidy consulting (BEG) and energy consultingEngineering–––––
Consulting, planning and execution of building services projects (new construction, renovation,Engineering–––––

Additional services

Heating & heat (heat pumps, gas boilers, radiators, underfloor heating)Bathroom & WellnessRenewable energy / solar technologyVentilation & climate (residential ventilation, heat recovery, ventilation system construction)Subsidy consulting (BEG)Maintenance, repair & servicingEmergency & breakdown serviceGas line inspectionPipe cleaning & inspectionBurst pipe and water damage repairStructural dryingConsulting, planning & execution for new construction, renovation, modernization

Reference customers

Dornbracht (image material)Villeroy & Boch (image material)Bosch Thermotechnik / BUDERUS (image material)WOLFValloxHeliosallawayYORKGEA

History

  1. 1967

    Founded by Otto Sieve as a family business; over 50 years of activity in heating, ventilation, plumbing and solar technology.

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