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Replace remaining bulbs with LEDs

Each old bulb replaced by an LED saves about 35 kWh a year, close to 1% of an average electricity bill.

Do it yourself

Sources checked on .

Small impact≈ 15 kg CO₂ a year per lamp · 1×treeLightingLevel 2 · Quick fixCost: Under €100A few minutes≈ 35 kWh a year

Start with the lamps that burn longest (living room, kitchen, hallway). Your LEDs are yours, so take them with you when you move.

Details

ImpactSmall · Each old bulb replaced by an LED saves about 35 kWh a year, so you need to replace about seven before the saving reaches the medium band. How we rate impact
CO₂ savedAbout 15 kg of CO₂ a year per lamp, roughly the yearly uptake of 1 forest tree. How we count CO₂
Estimated saving≈ 35 kWh a year · Per lamp, 40 W bulb replaced by 5 W LED (Flemish government figure). (confidence: high)
Who actsYou (tenant)
Needs landlord's agreementNo
TypeAction
Constant or subject to changeConstant · Good practice that barely changes with new laws, prices or services.

Sources

  1. Besparen op uw energieverbruik (in Dutch) · Vlaamse overheid (vlaanderen.be) (official source) · checked on
    Backs: 35 kWh per lamp per year
    Where: under 'Grootste besparingskansen' > 'Besparen op verbruik van elektrische toestellen en verlichting'

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