About
Holtmanns GmbH is a private headquartered in Grefrath, Germany specializing in Renewable.
Holtmanns GmbH is a newly established company providing comprehensive solutions in heating systems, sanitary installations, climate control, and renewable energy technologies. The company serves residential and commercial clients with planning, installation, maintenance, and repair services. They are certified partners of SenerTec with silver status and maintain a team of trained technicians specializing in modern heating systems, bathroom renovations, and environmentally-friendly energy solutions.
Headquarters
Grefrath, Germany
Company Type
Private
Business Models
B2BB2C
Value Chain
ConsultingEngineeringConstructionO&M