Heizungsbau Ludwig Kestler GmbH & Co. KG

Pretzfeld, Germany

SolarBiomassBiogasHydrogenEnergy StorageLimited company

Founded 194711-50 employees

Profile last updated: March 11, 2026

About

Founded in 1947, Heizungsbau Ludwig Kestler GmbH & Co. KG is a limited company headquartered in Pretzfeld, Germany with approximately 11-50 employees specializing in Solar, Biomass, Biogas.

Heizungsbau Ludwig Kestler is a regional heating and sanitary specialist based in Pretzfeld, Franconia. Founded in 1947, the company provides comprehensive services for water and heating systems to private and commercial properties. Key offerings include installation and maintenance of heating systems (oil, gas, biomass, heat pumps, solar thermal), photovoltaic systems, hydraulic balancing, and bathroom renovations. The company has installed over 340 solar thermal and photovoltaic systems and maintains more than 3,400 heating systems. It specializes in renewable energy solutions including pellet heating, biomass systems, heat pumps, and solar technology, with partnerships including Solvis, Elco, and ETA. The company employs nine staff members and emphasizes sustainability, staff training, and modern technical expertise.

Headquarters

Pretzfeld, Germany

Founded

1947

Employees

11-50

Company type

Limited company

Focus areas

heating systemssolar thermalphotovoltaicbiomassheat pumpssanitary installationshydraulic balancingenergy efficiencyrenewable energy

Products & services

Business models

B2BB2CEPCESCO

Value chain

EngineeringProcurementConstructionO&MConsultingAdvisory

Service areas (3)

Heating Systems Installation and Service
Installation, maintenance, and optimization of heating systems including oil, gas, biomass, heat pumps, and solar thermal systems
Photovoltaic Systems
Design and installation of solar photovoltaic systems ranging from 1.2 kWp to 50.5 kWp
Sanitary and Bathroom Renovation
Planning and installation of sanitary systems and complete bathroom renovations

Locations

Headquarters

Trattstraße 5, 91362, Pretzfeld, Germany

Service regions

Germany

Projects

Autohaus Simon Photovoltaic Installation

OperationalRooftop solar PV

Large-scale rooftop photovoltaic system installation with expansion planning

0.0505 MW capacityPretzfeld, Germany

Heizzentrale Umbau Hasenbergzentrum

OperationalCommercial heating system

Complete heating system upgrade including modular gas boiler and oil burner installation

Ebermannstadt, GermanyCompleted: 2010-12-31

Hackschnitzel Heizanlage Schreinerei Lange

OperationalBiomass heating

Biomass heating system renovation and optimization for carpentry workshop

Ebermannstadt, Germany

Pfarrkirche St. Kilian Pellet Heating

OperationalBiomass heating

Installation of dual pellet boilers and heat buffer storage for church and parish buildings

0.16 MW capacityPretzfeld, Germany

Credentials & affiliations

Partnerships

Solvis, Elco, Baunach, ETA, Solarwatt, Richter Frenzel

People

Management & team

Ludwig Kestler
Geschäftsführer und Gesellschafter
Eugen Gretz
Gesellschafter, Kundendienstmonteur und Meister Anlagenmechaniker für Sanitär, Heizungs- und Klimabau
Wilhelm Senger
Gesellschafter, Obermonteur Zentralheizungs- und Lüftungsbauer
Dieter Steinhäusser
Meister im Heizungs- und Lüftungsbauhandwerk
Miriam Freund
Bürokauffrau, Büroleiterin
Felix Bayerlein
Heizungs-Techniker
Tobias Eckert
Anlagenmechaniker für Sanitär-, Heizungs- und Klimatechnik
Ciprian Tican
Montagehelfer
Lukas Heinlein
Auszubildender