hansetherm
hansetherm provides heat pumps and installation services.
Fuhlentwiete 10, 20355 Hamburg, Germany
- CEO
- Unknown
- Founders
- Leon Thomsen, Konstantin Lennertz
- Total raised
- €10M
- Recent rounds
- October 2026 · €10M · seed
- Founders' prior
companies - KLT Group (Leon Thomsen and Konstantin Lennertz; co-founders, issuer account)
- Google rating
- 4.9 ★ · 241 reviewsFuhlentwiete 10, 20355 Hamburg, Germany
- Recent evidence
Customer Delivery Risk / Reported Installation And Service Complaints · Two separately controlled platforms published distinct 2026 customer accounts describing Hansetherm installation/service difficulties, one February forum post and one unprompted September Trustpilot review. This supports only a narrow reported customer-delivery risk signal; allegations, prevalence, finances and general stability are not established.
Scope: hansetherm GmbH, Hamburg HRB 174065; the two users’ identities, contracts and exact contracting entities are unknown.
Evidence reviewed 2026-10-24. This claim does not establish overall financial stability.
At a glance
Open roles over time
Month-end counts · Nov shows current open roles
16 open roles
- Hamburg
- 16
Open roles · 16
- Praktikant Marketing & Social Media (m/w/d)Hamburg · student · Posted 3 days agoGerman required
- Technischer Planer Photovoltaik (m/w/d)Hamburg · experienced · Posted 12 days agoGerman required
- Founders Associate (m/w/d)Hamburg · entry-level · Posted 18 days agoGerman required
- SHK Qualitätsmanager Wärmepumpen (m/w/d)Hamburg · entry-level · Posted 26 days agoGerman required
- Disponent (m/w/d)Hamburg · entry-level · Posted 26 days agoGerman required
- Projektmanager (m/w/d)Hamburg · entry-level · Posted 30+ days agoGerman required
- Customer Success Manager (m/w/d)Hamburg · entry-level · Posted 30+ days agoGerman required
- Elektromeister (m/w/d) für erneuerbare EnergienHamburg · experienced · Posted 30+ days agoGerman required
- Anlagenmechaniker SHK im Innendienst | Technischer Customer Success (m/w/d)Hamburg · entry-level · Posted 30+ days agoGerman required
- Praktikant Einkauf & Abwicklung (m/w/d)Hamburg · student · Posted 30+ days agoGerman required
- Praktikant Partnermanagement (m/w/d)Hamburg · student · Posted 30+ days agoGerman required
- Praktikant Founders Associate (m/w/d)Hamburg · student · Posted 30+ days agoGerman required
- Applied AI & AutomationsHamburg · experienced · Posted 30+ days agoGerman required
- B2B Partner Manager - InstallationspartnerHamburg · entry-level · Posted 30+ days agoGerman required
- Techn. Innendienst / Materialdispo. SHK (m/w/d)Hamburg · experienced · Posted 30+ days agoGerman required
- Sales Manager - Wärmepumpen & EnergietechnikHamburg · entry-level · Posted 30+ days agoGerman required