65 Celebrity Cruises is “replacing higher wattage halogen and incandescent light bulbs with longer lasting fluorescent and LED lights throughout our fleet. Fluorescent and LED bulbs require 80 per cent less energy, generate 50 per cent less heat, reduce energy consumption, last much longer and contribute to more efficient air conditioning due to the cooler bulbs.” Solar technology also plays a role on the brand’s Solstice series ships. “The panels and the clean power they produce can help reduce the consumption of energy derived from fossil fuels. 500m2 of solar panels produce enough electricity to power a ship’s guest elevators or approximately 7,000 LED lights.” Norwegian Cruise Line notes of its LED lighting strategy: “In recent years we upgraded 200 units per ship on Norwegian Jewel and Norwegian Star, which has resulted in an approximately 70 per cent reduction in daily energy consumption and approximately 50 per cent reduction in heat output.” Quark Expeditions states: “LED lighting is used throughout Ultramarine, from navigation lights to cabin and bathroom lighting. These lights have potential energy use savings of up to 50 per cent when compared to standard fluorescent lighting. Lighting controls, both local and central, will provide the opportunity to minimise the level of lighting to what is required for any particular service for additional energy savings.” Windows Innovative window coatings are allowing cruise lines to save money and reduce heat in the ship interior. Celebrity Cruises explains: “Across the fleet we have applied window films that are specially glazed to prevent solar heat from penetrating, thereby reducing the amount of air conditioning needed to cool the ship, thereby saving energy.” Quark Expeditions says: “Using the best quality thermal insulation, together with low heat transfer windows, keeps the spaces inside Ultramarine at a more stable temperature.” “ 500m2 of solar panels produce enough electricity to power a ship’s guest elevators or approximately 7,000 LED lights” Celebrity Cruises
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