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Tons of emissions CO₂

Elementary school Nová Dedinka
Illuminance of elementary school

Tailored design and realization of illuminance in elementary school in Nová Dedinka

40 %
5.440 kWh
3.000 kg CO₂
3 years
981 €


  • Luminaires with the latest generation of linear fluorescent lamps
  • Fullfilled standard for glare (UGR<19)
  • Fullfilled STN standards for classroom illumination
  • Fullfilled STN standards for corridor illumination
  • Special asymetrical illuminance of blackboards
  • Correlated colour temperature (CCT 4000K) - day white
  • Punch II ECO 2x28W | 82pcs
  • Prisma 2x28W l 12pcs
  • Prisma 1x28W l 8pcs
  • Asymmetric 1x28W l 18pcs l Lighting board

Initial type of lighting

    • Bulb 60W, 100W l 102 pcs
    • Linear fluorescent lamp (36W - 58W)
    • Luminaires with very low efficiency and short operating life
    • Absence of blackboard illumination
    • High failure rate
    • Does not meet STN (Slovak technical norm) criteria

The results

Upgraded LED lighting system consumes 40 % less power than the original lighting system 981 € yearly!

Thanks to economical LED technology, we lighten the environment by more than 3.000 kg emissions CO₂ yearly, which represents the volume of emissions that has to be absorbed 150 mature trees.

Return of investment achieved 3 years .