Énergie & environnement
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Schliessen
- Hand Turns Down The Temperature To 19 Degrees Celsius On A Electronic Thermostat. Symbol For Saving Energy.: Fokusiert/iStock
- Woman With Clipboard Checking Digital Thermostat: AndreyPopov/istock
- Renovabene Sanierungsrategeber Vermieterin Vermieter Scaled: Matthias von Lonski / Polarstern
- Close Up Surface Of A House Roof Covered With Solar Panels In Winter With Snow On Top. Energy Efficiency And Maintenance Concept.: Bilanol/iStock
- Handbrause Strahl A: Sinum AG
- Beddington Zero Energy Development (BedZED): Tom Chance-wikimedia
- 01 IStock 461225197 Beyhanyazar IStock: beyhanyazar/iStock
- Garbage Bag Trash Waste: Picsfive/iStock
- Sunflower And Solar Panel Of Electric Power Station As Symbol For Renewable Energy: filmfoto/iStock
