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Insight from Apex Hotels: Building a new green hotel in London
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• Increased GFA from 45,370 Sq ft to 56,585 sq ft
• 25% increase floor space
• Increased bedrooms= greater profit= increased capital value
• U-Value 10% of original
• Lower energy costs= improved bottom line profit
• Capital valuation= multiple of profit
Envelope
SERVICES
• Domestic Hot Water (Showers, baths, cooking) accounts for 54% of estimated energy use.
• New modular boilers used.
• Rooms feature generous walk in showers to encourage use over baths.
• Aerators and Flow restrictors fitted to WHB, Baths and Showers.
• Low volume flush WC’s and Cisternmisers fitted
DHW
• First Hotel in the country to use Melcotel system
• Developed by Mitsubishi
• VRF Air to Air heat pump system
• Very high co-efficient
• Software monitors temperature and usage:
• Switches OFF when room is unoccupied or temperature exceeds set points
• Switches ON to maintain minimum temperature
• Programmed for temperature to fall back when guest is sleeping
• Window open control
• Offsets room set points depending on outside temperature and season
Heating & Cooling
• Lighting accounts for 70% of electrical consumption
• 3W LED fitting equates to 30W LV Halogen
• One tenth power consumption
• Downlights and table/ task lights used- guest can control level of light required
• Room electrics controlled by card switch
• Lighting control system fitted to public areas linked to time clock with seasonal adjustment
• PIR switches fitted throughout staff/ back of house areas and guest corridors
• Lift cars replaced with more efficient motors and smarter controls
• LCD TV’s installed
Electricity
• Public areas designed to be naturally ventilated
• Induction hob used in kitchen.
• Central BMS
• Meters/ Sub Meters linked to BMS, can be monitored remotely
Front of House