How to apply for Servicetechniker SHK (m/w/d) Wärmepumpen & Heiztechnik - 1KOMMA5° Handwerk - Deutschlandweit

About 1KOMMA5°

1KOMMA5° combines regional skilled trades with scalable software to build integrated energy systems. The company controls solar, storage, heat pumps, and e-mobility as one system in a virtual power plant connected to the electricity market. Over 3,000 people work across more than 80 locations worldwide, aiming to convert 1.5 million households to renewable energy by 2030.

About the role

As a service technician for SHK with a focus on heat pumps and heating technology, you maintain and inspect heating and thermal systems, perform on-site service calls and minor repairs, and participate in on-call rotations with the team. You document all work digitally. Your technical expertise supports the team in daily operations.

A typical day

A typical day involves traveling to customer sites to perform maintenance, inspections, and minor repairs on heating and heat pump systems. You document your work digitally and may be on call for emergencies. You coordinate with your team and provide technical support as needed.

Who 1KOMMA5° is looking for

• Completed vocational training in the SHK field or as an Anlagenmechaniker Heizungstechnik.
• Experience in customer service, ideally in heating or heat pump maintenance.
• Willingness to participate in on-call duty rotations with the team.
• Comfortable with digital documentation and working independently on-site.

Tips for this application

• Highlight specific experience with heat pumps and heating systems in your CV, including models or brands you have worked on.
• Mention any previous on-call or emergency service experience, as this role requires participation in Notdienstrufbereitschaften.
• Emphasize your ability to document work digitally, since the role requires digital documentation and follow-up.
• Reference 1KOMMA5°'s integrated approach (solar, storage, heat pump, e-mobility) and show interest in working within a software-driven energy system.
• If you have experience with customer service in the SHK sector, give concrete examples of service calls or repairs you handled.

What to cover in your cover letter

['Your hands-on experience with heat pumps and heating systems, including maintenance and repairs.', 'Your ability to work independently on-site and handle customer interactions professionally.', 'Your willingness to take part in on-call rotations and support the team as needed.', "Your interest in 1KOMMA5°'s mission to integrate renewable energy systems and your fit with a digital-first trade environment."]

Research before applying

• Learn about 1KOMMA5°'s Heartbeat AI and how it controls energy systems in real time.
• Understand the company's virtual power plant concept and how heat pumps are part of it.
• Check the company's expansion plans and locations, especially in Germany, to see where you might work.
• Review common heat pump brands and models used in Germany to prepare for technical discussions.

Likely interview topics

Based on the job description, expect questions about:

• Technical questions about maintaining and repairing heat pumps and heating systems.
• How you handle on-call duty and emergency service calls.
• Your experience with digital documentation tools and processes.
• How you explain technical issues to customers in a clear way.
• Your understanding of 1KOMMA5°'s virtual power plant and integrated energy system.

Common mistakes to avoid

• Not mentioning specific experience with heat pumps or heating technology.
• Ignoring the on-call duty requirement or showing reluctance to participate.
• Submitting a generic application that does not connect to 1KOMMA5°'s integrated energy approach.