Hamburg building services company for heating, electrical, plumbing, ventilation/air conditioning and energy and environmental technology
Sager & Deus Energie- und Umwelttechnik | Opländer Haustechnik
HamburgNew on Amplifa
The Company
Sager & Deus Energie- und Umwelttechnik and Opländer Haustechnik are two Hamburg companies that offer building services engineering that is economically viable and ecologically sensible. The range of services includes heating technology (heat pumps, combined heat and power units, solar thermal, fuel cells, pellet and biomass systems, oil and gas firing technology), electrical engineering (photovoltaics, battery storage, electrical installation, e-mobility, LED lighting concepts, IT and network systems), plumbing (bathroom modernisation, barrier-free construction, lifting stations and pump stations) as well as ventilation and air conditioning (controlled residential ventilation, split and multi-split systems). In addition, the company offers hydraulic optimisation of piping systems, energy management, technical consulting with data logging and planning, profitability forecasts for modern heat generation, and a 24-hour maintenance, fault clearance and repair service. With more than 500 installed CHP units, the company is driving forward the energy transition in northern Germany. As an environmental protection partner of the City of Hamburg and a service partner of manufacturers such as Viessmann, Vaillant, Buderus, 2G, Sokratherm, Senertec and Solvis, it serves private and commercial customers.
- Site
- Hamburg
- Processes
- Heat pump technology (installation/service), Oil and gas firing technology, Combined heat and power units (CHP), Solar thermal, Fuel cells, Pellet and biomass systems, Photovoltaics, Battery storage
- Materials
- Heat pump technology, Combined heat and power units (CHP), Photovoltaics and battery storage, Solar thermal, Fuel cells, Pellet and biomass systems, Oil and gas firing technology, Air conditioning and ventilation
- Certificates
- Manufacturer service partnerships (Viessmann, Vaillant, Buderus, 2G, Sokratherm,, 24-hour emergency service, ISO 9001
- Industries
- Building technology / Building services, Energy and environmental technology, Private and commercial customers in northern Germany
- 01
Technical consulting, data logging and planning
- 02
Profitability forecasts for heat generation
- 03
Installation of systems (heating, electrical, plumbing, ventilation)
- 04
Hydraulic optimisation and energy management
- 05
Maintenance, fault clearance and repair service (24 hours)
Services and Technologies
Heat pump technology
Climate-friendly generation of renewable heat for buildings.
Combined heat and power units (CHP)
Decentralised electricity and heat generation; more than 500 units installed.
Photovoltaics and battery storage
Renewable electricity generation with storage solutions, plannable via online calculator.
Solar thermal
Solar hot water and heating support.
Fuel cells
Efficient, low-emission electricity and heat supply.
Pellet and biomass systems
Sustainable heating with solid biogenic fuels.
Oil and gas firing technology
Conventional heat generation including maintenance and optimisation.
Air conditioning and ventilation
Controlled residential ventilation as well as split and multi-split systems.
Location
Hamburg
DECompany headquarters of Sager & Deus and Opländer Haustechnik
- Materials
- Heating, Electrical, Plumbing, Ventilation/Air conditioning
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heat pump technology (installation/service)Engineering | – | – | – | – | – |
| Oil and gas firing technologyEngineering | – | – | – | – | – |
| Combined heat and power units (CHP)Engineering | – | – | – | – | – |
| Solar thermalEngineering | – | – | – | – | – |
| Fuel cellsEngineering | – | – | – | – | – |
| Pellet and biomass systemsEngineering | – | – | – | – | – |
| PhotovoltaicsEngineering | – | – | – | – | – |
| Battery storageEngineering | – | – | – | – | – |
| Electrical installationEngineering | – | – | – | – | – |
| E-mobility (charging infrastructure)Engineering | – | – | – | – | – |
| LED lighting conceptsEngineering | – | – | – | – | – |
| Plumbing / bathroom modernisationAssembly | – | – | – | – | – |
| Drinking water heating / hygieneEngineering | – | – | – | – | – |
| Hydraulic optimisation of piping systemsEngineering | – | – | – | – | – |
| Controlled residential ventilationEngineering | – | – | – | – | – |
| Split and multi-split systems / IT air conditioning unitsEngineering | – | – | – | – | – |
| Combined heat and power (CHP)Engineering | – | – | – | – | – |
| Building services maintenance, fault clearance and repair service (24h)Assembly | – | – | – | – | – |
| Technical consulting / data logging / planning / profitability forecastsEngineering | – | – | – | – | – |
| IT and network systemsEngineering | – | – | – | – | – |
| Lifting stations and pump stationsAssembly | – | – | – | – | – |
| Instantaneous water heatersAssembly | – | – | – | – | – |
| Doorbell and intercom systemsEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality and Partnerships
As a service partner of Viessmann, Vaillant, Buderus, 2G CHP, Sokratherm, Senertec and Solvis, the company is certified by the manufacturers. A 24-hour emergency service ensures maintenance, fault clearance and repair of all building services equipment.
| Evidence | Hamburg |
|---|---|
| Manufacturer service partnerships (Viessmann, Vaillant, Buderus, 2G, Sokratherm, | |
| 24-hour emergency service | |
| ISO 9001 |
History and Events
- 2018
Blog article on the UN Climate Conference COP 24 in Katowice
- 2019
11th Energy and Environmental Conference; blog article on COP 25 in Madrid
- 2023
PV calculator online; 14th Hamburg Energy and Environmental Conference
- 2024
15th Hamburg Energy and Environmental Conference; Heat Pump Day 2.0; more than 500 installed CHP units