1KOMMA5° is building Europe’s leading energy-software platform Heartbeat, creating a virtual power plant that links PV, battery storage, heat pumps and EV chargers. We increase the profitability of connected systems and offer customers a one-stop shop for tailored, intelligent energy solutions – enabling climate-neutral living, heating and mobility. Join the energy transition and apply now!

Assist in installing heat pumps and hot-water cylinders in residential and commercial buildings
Work on-site in teams at private and service customers
Mount radiators, insulate pipes and seal water lines professionally
Record completed work for quality assurance

HVAC or heat-pump experience preferred
Manual skills and physical fitness
Independent, quality-focused and reliable
Solution-oriented mindset on site
Team spirit and enthusiasm for green tech

Shape the future of a fast-growing climate-tech start-up
Open, respectful culture – we are one big team
Regular team events and outings
Direct impact on the energy transition

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