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					 Energy Smart Tips for Hotels
                                FROM THE ILLINOIS SMART ENERGY DESIGN ASSISTANCE CENTER




In 2007, a survey commissioned by                                             Space conditioning (heating and
                                                                                                           many lights they leave turned on,
the Element extended-stay brand                                               cooling), water heating, and lighting
                                                                                                           but there are many steps you can
of Westin Hotels found that 59% of                                            alone can represent up to 80% of
                                                                                                           take to ensure that you are running
frequent travelers (minimum of three                                          a hotel’s utility bill. Energy-saving
                                                                                                           an efficient building. The most
hotel stays in past 12 months) admit                                          opportunities abound and realizing
                                                                                                           important categories to consider
to slipping from their typical “green                                         these savings not only improves the
                                                                                                           for improvement are: building
routines” during their hotel visit. The                                       business’s bottom line but can also
                                                                                                           envelope, lighting, HVAC (heating,
survey found that when staying at a                                           improve comfort conditions for guests.
                                                                                                           ventilation and cooling), and water
hotel, 75% of travelers expect fresh                                          In fact, a 10% reduction in energy
                                                                                                           consumption.
sheets and towels daily, 63% are                                              costs is equivalent to increasing
more likely to leave a light on when   Naturally, the amenities that Average Daily Rate (average dollar
absent from their hotel room than at   your hotel offers will significantly amount paid per customer per night)
home, 70% open a new mini-bottle       influence its energy use patterns. A by 2.6% and increasing Occupancy
of shampoo/conditioner every time      hotel that has an indoor pool, sauna, Rate (percent of rooms occupied at
they shower, and 62% said that they    Jacuzzi, and/or restaurant will have any given time) by 4.3%.
are less efficient with their energy   a different energy profile than a
and water use in a hotel because       hotel offering only guestrooms. At SEDAC, we are determined
they “don’t have to pay for it” like   Thankfully, there are energy-efficient to help you find the best energy
they do at home.                       opportunities for these additional options for your hotel. This brochure
                                       amenities, too.                        explains the steps to take and the
As a hotel designer or manager, it                                            systems to implement so that you may
is challenging to directly control how Utility costs represent a significant provide a comfortable and efficient
many towels your guests use or how portion of a hotel’s operating costs. environment for your valued guests.


      SEDAC
      ILLINOIS’ ENERGY
                                                                                          If you need assistance finding qualified contractors or suppliers, the Smart Energy Design Assistance
                                                                                          Center can help. Our database of pre-qualified service providers includes reputable professionals
                                                                                          in a variety of fields, including energy auditors, financing providers, and dealers/installers of
      EFFICIENCY                                                                          geothermal heat pumps/high efficiency HVAC, efficient lighting, solar, and more. Download a
      I N F O R M AT I O N                                                                free copy of our list of suppliers at SEDAC’s website under the header “Service Providers.”
      CLEARINGHOUSE
TYPICAL U.S. HOTEL ENERGY USES                                                                             STEP 1: BENCHMARK
From the Environmental Protection Agency (July 2008)                                                        YOUR ENERGY USE
    ENERGY CONSUMPTION BY FUEL TYPE
                                                                             STEP 4: SHARE YOUR                                                 STEP 2: PERFORM
                                                                           SUCCESSES AND REPEAT                                                AN ENERGY AUDIT


                                                                                                          STEP 3: IMPLEMENT
                                                                                                       AUDIT RECOMMENDATIONS
                                                                                        EPA’s 4-step process to help buildings become more energy efficient

                                                                          The most important step to saving energy is to establish a detailed
                                                                          plan. This plan should include benchmarking, an energy audit, and
      Source: based on EPA analysis of data from the Energy Information
                                                                          an action plan. Benchmarking will provide a good overview of how
    Administration’s 2003 Commercial Building Energy Consumption Survey   well your hotel ranks with regard to its performance. According to
                                                                          the EPA and E Source, the average hotel uses between $1.30 to $1.42
                                                                          per square foot per year, or about 87 kBtu/sf/yr. How does your hotel
    TOTAL ENERGY CONSUMED BY END USE                                      compare to these numbers? Follow these guidelines to develop your
    Refrigeration 3%                                                      energy-saving plan.
        Office
 Equipment 4%
                                                                          1. Benchmark hotel’s energy use                 3. Implement audit recommendations
                                                                          Benchmarking allows you to compare              Apply energy-saving improvements
                                                                          your hotel’s energy use to other hotels’.       in operations and maintenance of the
                                                    Ventilation 4%        Begin by establishing an energy                 hotel (O&M) and in the key categories
                                                                          expenditure baseline from which you             of building envelope, lighting,
                                                                          can measure progress. Your baseline             heating/ventilation/air-conditioning
                                                                          should be your hotel’s average yearly           (HVAC), and water consumption. Note
                                                                          energy use. ENERGY STAR® provides               that implementing O&M upgrades
                                                                          an online benchmarking kit to guide             first and lighting upgrades second
              Cooking 5%                                                  you through the process.                        will eventually lead to smaller HVAC
        Source: adapted from E Source (2006) Commercial Energy Advisor                                                    requirements and operation costs.
                                                                          2. Perform an energy audit
     ELECTRIC CONSUMPTION BY END USE                                      Collect at least one year’s worth of            4. Share your successes and repeat
                                                                          utility bills and examine operating             After energy improvements have been
                                                                          and maintenance practices. Document             implemented, the hotel’s optimized
                                                                          what types of lamps are used,                   baseline becomes the new standard
                                                                          the condition and age of cooling/               for performance goals. Ensure that
                                                                          heating equipment, the condition of             employees and guests are aware of
                                                                          distribution systems (ducts, piping,            your new operations standards and
                                                                          and insulation), the types of controls          that they know how to participate.
                                                                          used, and the condition of the building         Remember to regularly evaluate
                                                                          envelope. Analyze the data obtained             the hotel’s energy performance and
                                                                          to determine energy use trends and to           repeat these simple steps to ensure
                                                                          help you decide what improvements               that your hotel is operating at its full
                                                                          are necessary to develop your hotel’s           efficiency potential.
            Source: adapted from Edison Electric Institute (2001)         optimized baseline.
                   Managing Energy in Your Hotel


  NATURAL GAS CONSUMPTION BY END USE                                       USEFUL TIPS TO HELP YOU SAVE MORE MONEY
                                                                              Post a friendly reminder in each               Implement a towel and sheet re-use
                                                                              guestroom to prompt guests to turn             program (change linens every three
                                                                              off lights when not in use.                    days unless otherwise requested by
                                                                                                                             guests).
                                                                              Train housekeeping staff to turn
                                                                              off lights and set temperatures to             Install a key-activated Guest Room
                                                                              minimum levels after servicing rooms.          Energy Management System (GREMS)
                                                                                                                             to control heat and lights in rooms.
                                                                              Place shampoo and soap dispensers
                                                                              in guestrooms to eliminate small               Optimize thermostat settings for the
                                                                              plastic bottles.                               lobby/restaurant, conference areas,
                                                                                                                             and offices.
                                                                              Promote recycling: use eco-friendly
            Source: adapted from Edison Electric Institute (2001)
                                                                              materials such as recycled paper and           Consider discount parking incentives
                   Managing Energy in Your Hotel                              place small recycling bins in rooms.           for guests with hybrid cars.
BUILDING ELEMENTS TO CONSIDER FOR OPTIMUM ENERGY EFFICIENCY
The four pie charts on the previous page come from an Environmental Protection Agency document titled
Sector Collaborative on Energy Efficiency Accomplishments and Next Steps: a Resource of the National Action plan for
Energy Efficiency (July 2008). The charts illustrate how U.S. hotels consume energy. It is important to note that
the largest user of electricity is lighting and the largest user of natural gas is water heating. These following
suggestions can help you cut costs by implementing energy-efficient options for your hotel.
      BUILDING ENVELOPE                                                                                                caused by dirt or pipe/duct leakage,
The building envelope includes all                                                                                     and extend equipment life by regularly
partitions that seal indoor spaces from                                                                                cleaning condensers, intake louvers,




                                                                                      TriSpa from www. oxygenics.com
outdoor air and temperature (windows,                                                                                  evaporator coils, and air filters; develop
doors, walls, roofs, foundations).                                                                                     a routine maintenance check-list to
                                                                                                                       insure peak efficiency.
• Replace    worn weather-stripping and
  caulking to ensure windows and doors                                                                                               LIGHTING
  are airtight.                                                                                                        In a large hotel, energy usage for
• For new construction, consider using                                                                                 lighting can add up to 30% of total
  super-insulated walls (typically R40).                                                                               energy consumption. Efficient lamps,
• Install high-efficiency doors and                                                                                    luminaires, and controls will save money
  windows when possible to avoid heat                                                                                  and improve lighting in the hotel.
  loss and infiltration.
• Choose windows with a low U-factor                           HVAC                                                    • In  guestrooms, replace incandescent
  (rate of heat loss), low-emittance          HVAC systems physically affect guests’                                     lamps and fixtures with high-efficiency
  coatings (transmit light and control heat   wellbeing in your hotel, so it is important                                compact fluorescent lamps with custom-
  gain and glare, reduces ultraviolet         to choose a system that both reduces                                       designed reflectors and electronic
  rays responsible for fading fabrics),       energy consumption and improves                                            ballasts.
  and/or low conduction gas filling.          comfort.                                                                 • In large open areas (lobby, conference
• Reduce solar radiation and conditioning                                                                                room, etc.), install efficient T8 or T5
  costs by shading windows (add roof          • Install a central air-conditioning system                                fluorescents and replace magnetic
  overhangs or louvers, plant trees near        rather than individual room units so                                     ballasts with digital or electric units.
  windows, etc.).                               that hotel operators can control set-                                  • Install lighting controls to avoid
• Upgrade to a “cool roof” to avoid high        points and monitor performance. The                                      lighting spaces that are not in use (i.e.
  cooling equipment operation costs:            type of system used will depend on                                       key-activated lighting in guestrooms,
  apply a special coating to reflect solar      geographic location and building                                         occupancy sensors in restrooms and
  radiation and reduce surface heating.         requirements, so consult an HVAC                                         storage rooms, dimming systems that
  Cool roofs are especially beneficial in       professional to determine what system                                    adjust according to daylighting or
  cities to reduce the heat-island effect       is best for your hotel’s needs.                                          event requirements).
  and in hot, sunny climates.                 • If rooms have individual thermostats,                                  • For outdoor lighting, use high-intensity
                                                limit the temperature range to avoid                                     discharge lamps (i.e. low-pressure
             WATER USE                          extreme temperatures (600F minimum                                       sodium), install photosensors to
To save water, install these upgrades:          in summer and 800F maximum in                                            automatically activate lamps when
                                                winter).                                                                 daylight diminishes, and place motion
• Low-flow shower heads (1.5 gallons/         • Install efficiency controls: electronic                                  sensors in lesser-used areas.
  minute, cut use by at least 50%).             thermostats adjust the temperature                                     • Conduct routine maintenance: clean
• Low flow toilets (use 1-1.6 gallons per       based on programmed occupancy                                            and replace lamps on a fixed schedule
  flush rather than 5-7 gallons).               periods, and computerized energy                                         to avoid dirt and dust build-up and to
• Install aerators on faucets (0.5              management systems control energy                                        insure full-light output.
  gallons/minute, save 3-17 gallons/            use based on occupancy, weather,                                       • For new construction, strategically
  day per faucet).                              time of day, etc.                                                        place windows in guestrooms to take
• Install desuperheaters to redirect          • Add variable speed drives to control                                     advantage of natural lighting.
  waste heat from the cooling system, or        air handling motors and pumps.                                         • Replace signage lamps with LEDs
  use grey-water heat recovery piping         • Conduct        regular       equipment                                   (consume 5 watts/fixture and last up
  to preheat water.                             maintenance: prevent energy losses                                       to 10,000 hours maintenance-free).

                            ENERGY SMART HOTEL RESOURCES
                            ENERGY STAR for Hospitality                           Flex Your Power
                            Learn more about energy efficiency using the          A step-by-step guide to help hoteliers cut costs with
                            ENERGY STAR comprehensive guide and use the           energy efficiency and conservation.
                            Hospitality Benchmarking Starter Kit to assess your   www.fypower.org/pdf/BPG_hotels.pdf
                            building’s energy performance.
                            www.energystar.gov/index.cfm?c=hospitality.bus_       Green Lodging News
                            hospitality                                           Read articles on what other hotels are doing to save
                                                                                  energy and see what new products are available
                            Spinwave Occupancy Sensors                            from vendors.
                            Learn how your hotel can save energy with this        www.greenlodgingnews.com/
                            wireless occupancy sensing system that connects
                            directly to the hotel’s HVAC controls.                E Source - Customer Direct
                            www.spinwavesystems.com/Applications/Energy%20Us      Tips for managing energy in full-service hotels.
                            age%20in%20Hotels.pdf                                 www.nationalgridus.com/non_html/shared_energyeff_
                                                                                  hotels.pdf
                                                                                           SEDAC
                                                                                           Who We Are
                                                                                           The Smart Energy Design
                                                                                           Assistance Center (SEDAC) was
                                                                                           established to support the Illinois
                                                                                           Smart Energy Design Assistance
                                                                                           Program, working to increase
                                                                                           the efficient and effective use
                                                                                           of energy throughout Illinois.
                                                                                           SEDAC is sponsored by the
                                                                                           Illinois Department of Commerce
                                                                                           and Economic Opportunity and
 EXTRA TIPS FOR FULL SERVICE HOTELS                                                        is managed by the School of
                                                                                           Architecture at the University of
            POOLS AND SPAS                                  RESTAURANTS                    Illinois at Urbana-Champaign
If your hotel has an outdoor or indoor pool    To learn how to save energy in your         and the 360 Energy Group.
and hot tub, install a thermal pool/spa        restaurant, read SEDAC’s Energy Smart
cover when not in use to prevent constant      Tips for Restaurants brochure. Also look
heat loss or excess indoor humidity
levels. Verify that heaters are functioning
                                               for ENERGY STAR qualified appliances.       What We Do
properly by regularly checking water                      LAUNDRY SERVICES                 Through the Illinois Smart Energy
temperature. Older heating units can           In smaller hotels, upgrade your laundry     Design Assistance Program,
also be replaced by a solar pool heating       facilities to ENERGY STAR® qualified        SEDAC provides advice and
system to reduce water heating costs.          washers and dryers. These machines use      analysis enabling facilities in the
                                               less water and consequently require less    state of Illinois to increase their
          VENDING MACHINES                     energy to heat, and they also increase
Upgrade to modern machines with                water extraction during the spin cycle      profitability through the efficient
improved insulation and more efficient         so that less dry time is required. Larger   use of energy resources. These
cooling units. Also consider adding controls   hotels have more options to choose from     fee-free technical services
with infrared sensors to reduce lighting of    regarding laundry appliances since the      can identify opportunities
machines when no one is around.                cost of modern machines can be paid back    for energy savings through
                                               more quickly. Ozone laundry systems         intelligent building design and
           OFFICE EQUIPMENT                    are high-efficiency machines that inject    efficient building components
Use flat-panel LCD computer monitors           ozone into the cleaning process, thereby    and systems.
which consume up to 90% less energy            requiring less hot water and cleaning
than traditional monitors. Set printers and    chemicals. Air-to-air heat exchangers
copiers to “sleep” mode when not in use.       can also be added to dryers to recover
Use recycled paper whenever possible           heat from the machine and use it to heat    How to Reach Us
and remember to check for ENERGY               incoming air. This system cuts dryers’      SMART ENERGY DESIGN
STAR® qualified equipment.                     energy requirements by up to 50%.
                                                                                           ASSISTANCE CENTER
Your hotel can save additional energy by producing its own power. Hotels                   University of Illinois at Urbana-
in hot and sunny climates can invest in solar power to reduce expenditures                 Champaign
during peak times. Large hotels should also consider installing a                          1 E. St. Mary’s Road
cogeneration system to produce on-site electricity and recover waste heat                  Champaign, IL 61820
from the generation process for space and water heating. To keep your                      TEL: 1-800-214-7954
                                                                                           EMAIL: info@sedac.org
guests updated on the energy expenditures and savings of your hotel, install               www.sedac.org
an interactive GreenTouchscreen in the hotel lobby. This system will raise
awareness and help you work as a team to reduce the hotel’s energy use.

				
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