how to reduce your hotel’s energy consumption - bookgreneer webinar 2 part 1
TRANSCRIPT
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With the support of:
How to reduce your Hotel’s Energy Consumption
Webinar 002 – part 1Tuesday, June 23, 2015
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Webinar 002 – part 1
• Monthly
• For hotel owners
• Best practices on how to green your opera-tions
• Get involved: [email protected]
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• Audience in listening mode
• Send us your questions
• Quality depends of the internet connection – in case of a problem, leave and join again
• Presentation and recorded version of the webinar will be sent to the attendees
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Please select the audio using hardware.
Please type your questions at any time
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.com
The webinar is an initiative of:
• Hotels ranked according to
sustainability
• Questionnaire:
http://www.bookgreener.com/propertyEdit.php
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http://www.bookgreener.com/propertyEdit.php
Why join BookGreener?
• It is 100% free,
• List your green practices and evaluate how green you are, get inspired,
• Once evaluated, you will receive a label-widget to display on your website,
• We will market your property online to a global audience & target engaged travellers, who tend to spend more and stay longer.
And the icing on the cake,
BookGreener is excited to let you know that we will be bringing travellers directly to your website to complete their booking, at no charge.
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Promotion for webinar attendees (for 1 month)
- First 4 hotels get to be promoted on the home page for a week
- All hotels will be promoted through a blogpost getting media attention (mention Webinar on Energy)
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BookGreener.com/Connect
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Previously on Bookgreener
Webinar 001 on Water Efficiency Opportunities for Hotels.
Webinar 002 – part 1 on Energy Efficiency
Slides and replay available on bookgreener.com/connect
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OverviewPart 1 Patricio Gonzalez Morel ExpertSustainability Consultant at Athena Cleantech
Part 2Anthony WongHotelierOwner of the Frangipani Langkawi,The greenest hotel of Malaysia
Alexandre TsukModeratorConscious Founder of Bookgreener
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Q & A
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Want to join the next webinar on
HOW TO MAKE A POSITIVE IMPACT ON THE LOCAL
COMMUNITIES
Easy! Send I’m in to [email protected]
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A great thank you to our great speakers and sponsors:
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Patricio Gonzalez Morel - Athena Cleantech – Singapore
South America• Bolivia• Chile – mainland
and Easter Island• Peru
North America• Barbados• Dominican Republic• El Salvador• Grenada• Jamaica• Mexico• Nicaragua• St. Vincent and the
Grenadines• Trinidad and Tobago
Europe• Andorra• Cyprus• Greece• Portugal - mainland
and Azores islands• Spain – mainland,
Balearic and Canary islands
Africa• Morocco• Tunisia• Egypt
Asia• India• Japan• Malaysia• Turkey
Eco-efficiency diagnostics conducted in 120+ hotels worldwide
CONTACT: http://sg.linkedin.com/in/pgonzalezmorel/en
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What is the potential for energy efficiency improvement in hotels?
• More than 20% in most hotels
• Example: Hotel Arbol de Fuego
– Electricity savings = 39%
– Reduction in maximum demand = 42%
– Reduction in electricity costs = 59% = US$ 370 per room per
year
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Lighting
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Avoid using incandescent and halogen lamps
• Energy efficient lamps last longer and reduce energy consumption by more than 75%. These include:
– Fluorescent tubes
– Compact fluorescent (CFL)
– LED
• Example: Replacing a 50W halogen lamp with a 7W LED– Cost = US$ 30– Energy savings = US$ 130 over the 25,000-hour service life of the
LED lamp
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A few recommendations for energy efficient lamps
• Buy quality
• Careful with light color when buying CFLs and LEDs
• When considering fluorescent lamps, keep in mind that fluorescent tubes outperform CFLs
• Careful with the handling and disposal of fluorescent lamps
• Give preference to LEDs
• Use incandescent lamps in areas with very low burn hours (<30 minutes/day)
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Use efficient lighting fixturesInefficient fixtures can absorb more than 3/4 of the light produced by the lamp
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Use light/reflective colors in spaces that frequently rely on artificial lighting
This white wall reflects 70% of the incident light
This green wall reflects only 14% of the incident light
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• No matter how much light is provided in a dark colored room, the space will always feel like it is under lit
• Dark colored rooms require more light fixtures and/or higher wattage lamps
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Take advantage of daylight• Sunlight is good for us and free
• In hot climates, be careful with overheating indoor spaces
• Direct sunlight = 100,000 lux (>200 times more light than needed for most tasks)
• Use indirect solar radiation
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Use dimmers sparingly (if at all)
• Dimmable CFL and LED lamps are more expensive and harder to find, so many hotels install incandescent or halogen lamps on dimming circuits
• Dimmable switches are expensive
• Use them only where they are really necessary
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Use a card key system or a master switch to control lights in guestrooms
• Ensure your card key system cannot be easily tricked
• Beware of sabotage by front desk or housekeeping staff
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Air conditioning
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Keep direct solar radiation out of air conditioned spaces
Shaded south-facing rooms
Exposed west-facing rooms
Shaded room. From 17:00 to 21:00, the ac unit runs 60% of
the time.
Exposed room. From 17:00 to 21:00, the ac unit runs
continuously.
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Options to control direct solar radiations• Shading
– Can reduce solar heat gain by >80%
– Shading should ideally be on the outside
• Solar control film
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Insulate and ventilate roof cavities above air conditioned spaces
• Temperature measurements conducted in an non-insulated roof cavity
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Impact of reducing solar heat gain in a building through shading and insulation
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Use reflective colors on walls and roofs that are exposed to direct solar radiation
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Keep a reasonable temperature setting in air conditioned spaces (24 to 25C)
• Energy savings = 44%• Financial savings = US$ 6,000 /year
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Other measures to reduce the energy consumption of air conditioning systems
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Hot water
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Use hot water efficiently
• Heating the water used in a 10-min shower requires 2.0 kWh of energy (approximately equivalent to running a guestroom light for 130 hours, or a guestroom ac unit for 4 hours)
• Efficient fixtures
– Showerhead ~8 L/min
– Bathroom tap ~5 L/min
– Work area tap ~8 L/min
• Efficient use of hot water presents huge opportunities of energy conservation
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Thank you