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: firstname.lastname@example.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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