Otto Leible GmbH

Bad Schwartau, Germany

GeothermalSolarEnergy StorageLimited company

Founded 195011-50 employees

Profile last updated: March 16, 2026

About

Founded in 1950, Otto Leible GmbH is a limited company headquartered in Bad Schwartau, Germany with approximately 11-50 employees specializing in Geothermal, Solar, Energy Storage.

Otto Leible GmbH is a heating, ventilation, and sanitary technology company based in Bad Schwartau, Germany, established in 1950. The company specializes in geothermal heat pump systems, solar thermal installations, and bathroom modernization. With over three decades of experience in geothermal technology, the firm designs and installs heat pump systems using ground source heat exchangers (ground probes down to 100 meters and ground collectors), combined with floor heating systems. The company also offers solar thermal systems for domestic hot water and heating support, modern condensing boiler technology, ventilation systems with heat recovery, and comprehensive bathroom renovation services. Services extend throughout the Lübeck region and surrounding areas including Timmendorfer Strand, Stockelsdorf, Neustadt, and Bad Oldesloe.

Headquarters

Bad Schwartau, Germany

Founded

1950

Employees

11-50

Company type

Limited company

Focus areas

GeothermalHeat PumpSolar ThermalHVACRenewable EnergyBathroom RenovationFloor HeatingHeating Systems

Products & services

Business models

B2BB2C

Value chain

EngineeringProcurementConstructionO&MConsulting

Service areas (1)

Lübeck and surrounding region
Installation and maintenance of heat pump systems, solar thermal systems, heating and ventilation systems, and bathroom renovation services

Locations

Headquarters

Hauptstraße 17a, 23611, Bad Schwartau, Germany

Service regions

Germany

Projects

12-Unit Residential Building Sanitation and Modernization

CompletedSolar thermal system

Complete renovation and energy modernization of a residential block with 12 units, including 12 roof-integrated solar collectors for domestic hot water provision

0.08 MW capacityGermany

Ground Source Heat Pump System with Solar Combination

OperationalGeothermal heat pump with solar thermal

Large-scale ground source heat pump installation with 54 kW heating capacity serving 17 residential units. System features three heat pump units connected in series with eleven ground probes totaling approximately 900 meters of borehole depth. Combined with ground collector and solar thermal system providing 100% renewable heat and hot water with energy consumption of approximately 710 EUR/year compared to 1460 EUR/year for gas heating.

0.054 MW capacityGermanyCompleted: 2004-06-01

Air-Water Heat Pump with Floor Heating

Under ConstructionAir source heat pump

Residential home equipped with air-water heat pump combined with floor heating system

Herrnburg, Germany

Maritim Seehotel Timmendorfer Strand - Pool Renovation

OperationalSwimming pool systems

Installation and renovation of indoor and outdoor swimming pools at the Maritim Seehotel, including technical equipment and filtration systems

Timmendorfer Strand, GermanyCompleted: 2007-06-01

Thermal Solar System with Ground Heat Pump

OperationalSolar thermal with geothermal heat pump

Thermische Solaranlage with 5 roof-integrated solar collectors (5.90m x 2.10m, 250kg, 11.8kW max output) combined with ground source heat pump for domestic hot water and heating support

0.0118 MW capacityGermanyCompleted: 2010-08-01