Julien Vonnet
Heat PumpsRGE verified
SAINT MICHEL CHEF CHEF, 44730 — Loire Atlantique, France
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About Julien Vonnet
Les coûts de chauffage vont peser lourd cet hiver, et une pompe à chaleur peut réduire vos factures. Choisir un installateur certifié, inscrit au registre, garantit un travail de qualité et une efficacité optimale pour votre système.
Accreditation and compliance
- Scheme
- RGE — Reconnu Garant de l'Environnement
- Numéro SIRET / RGE
- 81771792900027
- Register status
- Active on the RGE register
- Service
- Heat Pumps
- Coverage
- SAINT MICHEL CHEF CHEF and the surrounding Loire Atlantique area
- Listed since
- août 2026
Accreditation details are taken from the Reconnu Garant de l'Environnement public register and refreshed periodically. Green Directory is not the certifying body — check the register directly if the outcome matters to you.