Energy Efficiency Booklet

Contents

  • Energy Efficiency in Lighting
  • Energy Efficiency in Heating and Cooling
  • Energy Efficiency in Transportation
  • Energy Efficiency in Household Tasks
  • Washing Machine, Dishwasher, Dryer
  • Energy Efficiency in Household Tasks
  • Vacuum Cleaner, Hair Dryer, Iron
  • Energy Efficiency in Cooking
  • Oven, Stove, Water Heater
  • Energy Efficiency in Cooking
  • Refrigerator and Freezer
  • Energy Efficiency at Work
  • Energy Efficiency in Entertainment Systems
  • Savings Achieved When All Recommendations Are Followed
  • Digitalization in Energy Efficiency
  • Did You Know These?

Energy Efficiency in Lighting

  • Passive solar opportunities should be utilized for natural lighting.
  • Walls should be painted in light colors.
  • Efficient lamps (LED) with high energy class labels should be preferred.
  • Lighting with a high efficacy factor (lumen/watt) should be chosen.
  • Projects should be determined by performing lux meter (light meter) measurements in lighting.
  • Capacity higher than the comfort level should not be preferred.
  • Motion-sensitive lighting should be installed in corridors, meeting rooms, and restrooms.
  • Dimming feature should be used.
  • Automatic lighting control systems should be used.
  • Electrochromic/thermochromic smart glass should be preferred.
  • Electronic ballasts should be preferred instead of magnetic ballasts.
  • Standard-compliant LED applications should be used in streets, avenues, parks, and gardens.

Energy Efficiency in Heating and Cooling

  • Deciduous trees should be planted on the south facade of buildings.
  • Thermal insulation should be applied on roofs, facades, floors, doors, and windows.
  • During winter days, curtains should be opened to benefit from solar energy.
  • Applications that create thermal bridges should be avoided.
  • Appropriate seals should be used to prevent air leaks in doors and windows.
  • At least double glazing should be used in windows, paying attention to seasonal adjustments.
  • Insulation boards should be placed behind radiators.
  • Obstacles to heat transfer around radiators should be removed.
  • Curtains that do not cover radiators should be used.
  • Furniture should not block the front of radiators.
  • Thermostatic valves that maintain constant room temperature should be used on radiators.
  • (Smart) thermostats should be used.
  • Double doors/ revolving doors should be used at main entrances.
  • Maintenance of combi boilers, radiators, fan coils, and burner adjustments should be done before the heating season.
  • Hot water temperature in combi boilers/water heaters should not exceed 40°C.
  • Short and strong ventilation should be preferred instead of continuous ventilation.
  • Air conditioners of appropriate size and high efficiency class should be used.
  • Airflow in and out of indoor and outdoor air conditioner units should be free.
  • Indoor and outdoor air conditioner units should be protected from sunlight.
  • When turning on the air conditioner, it should not be set to a very low temperature for sudden cooling.
  • Air conditioner blowing speed should not be kept unnecessarily high.
  • Outdoor air conditioner units should be placed in cool and shaded areas.
  • Insulation should be applied around the air conditioner connection pipes of the outdoor unit.
  • Flue gas temperature should be kept low (including chemical restrictions).
  • Heat losses of boilers should be minimized.
  • Hot water-steam pipes, chillers (cooling units), and fan coil pipes should be insulated.
  • Insulation jackets should also be applied on valves and flanges.
  • Heat sharing systems (heat cost allocators/calorimeters) should be used in centrally heated buildings.
  • Combined heat and power systems should be used.
  • Heat pumps should be used where technically possible.

Energy Efficiency in Transportation

  • For short distances, walking or cycling should be preferred.
  • Public transportation vehicles should be preferred.
  • Avoid unnecessary sudden braking and acceleration.
  • Turn off the ignition when the vehicle is waiting.
  • Periodic maintenance of the vehicle should be performed.
  • Windows should not be opened while driving to prevent airflow resistance.
  • Efficient driving technique training should be received.
  • Unnecessary loading on the vehicle should be avoided; unnecessary items in the trunk should be removed.
  • High-efficiency class tires should be preferred, and tire pressure should be kept at ideal levels.
  • Vehicles with large engine capacities such as minibuses, pickups, vans, and off-road vehicles should not be preferred unless necessary.

Energy Efficiency in Household Tasks

Washing Machine, Dishwasher, Dryer

  • Products with high energy class should be preferred.
  • Machines should be run at full capacity and pre-washing should be avoided unless necessary.
  • Economic programs should be used.
  • Do not use more detergent than recommended.
  • Detergents that clean at low temperatures should be preferred.
  • Clothes should be dried by hanging instead of using a dryer (where appropriate humidity and drying conditions exist).
  • Clothes should be washed at the lowest possible temperature.
  • Dishwashers with short wash and rinse cycle options should be preferred.
  • Dishwashers should have low-temperature program options.
  • Coarse food residues on dishes should be cleaned with napkins used during meals.

Vacuum Cleaner, Hair Dryer, Iron

  • The model with the lowest electricity consumption at the same suction power should be preferred.
  • Water tank vacuum cleaners should be used instead of bagged vacuum cleaners.
  • The bags of dust bag vacuum cleaners should be emptied frequently.
  • A sand timer should be kept in the bathroom while showering; shower time should not exceed 4 minutes.
  • Instead of mixing hot water with cold water, the temperature setting on the combi boiler should be lowered.
  • Showerheads that consume less water and aerators should be used.
  • The hair dryer temperature should be kept at the lowest setting.
  • Hair should be dried as much as possible with a towel.
  • When buying an iron, choose one with low drying power and high steam capacity.
  • Clothes should be hung before ironing and ironed while still damp.
  • Unplug the iron a few minutes before finishing to use the remaining heat and save energy.

Energy Efficiency in Cooking

Oven, Stove, Water Heater

  • If possible, the oven door should not be opened until the end of the cooking time.
  • The oven should be turned off 5-10 minutes before the cooking time ends.
  • Oven seals should be checked to ensure they are airtight.
  • In winter, leave the oven door open after cooking to warm the room.
  • Cooking should be done with lids on pots and pans.
  • Pressure cookers and steamers should be used during cooking.
  • Pot lids should be kept closed during cooking.
  • Only the necessary amount of water should be heated; if possible, use a natural gas stove for heating.
  • The lid of the water heating container should be kept closed.
  • Microwave ovens should be used instead of ovens for heating small amounts of food.

Refrigerator and Freezer

  • Do not buy refrigerators or freezers with capacities larger than needed.
  • Refrigerator temperature should be set to +4 °C, freezer temperature to -18 °C.
  • Refrigerators should be placed away from heat-producing devices such as ovens, radiators, and sunlight.
  • There should be a 10-15 cm gap between the refrigerator and the wall.
  • Food should be cooled before placing it in the refrigerator.
  • Frozen products taken from the freezer should be thawed in the refrigerator section.
  • Items should be placed in the refrigerator to allow air circulation.
  • Maintenance of refrigerator seals, gaskets, and rear condenser should be performed.
  • Food should be packaged to prevent moisture formation.
  • Unnecessary parts of protective food packaging should be removed.

Energy Efficiency at Work

  • In offices, computers should be put into sleep mode during short breaks.
  • Devices should not be left in standby or sleep mode; they should be turned off.
  • A single printer accessible to all employees should be used.
  • Documents to be printed should use minimal color and unfilled shapes.
  • Elevators should be avoided on low floors as much as possible.
  • Office devices such as computers, printers, shredders should have the “Energy Star” label.
  • Laptops should be used instead of desktops when possible.
  • Optimal screen brightness should be chosen considering eye health.
  • Unnecessary printing should be avoided; electronic work should be preferred.

Energy Efficiency in Entertainment Systems

  • Optimal screen brightness should be chosen considering eye health.
  • Televisions with unnecessarily large screens should not be preferred.
  • Volume levels of TVs, radios, etc. should be kept low but audible.
  • TV contrast settings should not be increased beyond necessity.
  • Television, multimedia, and gaming systems should not be left in standby mode; they should be turned off at the main switch.
  • Modems and satellite receivers should be turned off at the switch when not in use.
  • Extension cords with on/off switches should be used.
  • Chargers should not be left plugged in after use.

Savings Achieved When All Recommendations Are Followed

  • 35% in electricity
  • 25% in petroleum
  • 50% in natural gas

Digitalization in Energy Efficiency

  • Smart home systems,
  • Internet-connected home appliances that can be managed remotely,
  • Artificial intelligence-supported heating and cooling systems,
  • Sensors and software for real-time monitoring,
  • Automated vehicles,
  • Smart city concepts,
  • Blockchain-based living concepts,
  • Digital economy and circular economy developments should be closely followed.

Did You Know These?

  • Traditional bulbs convert 80% of energy into heat.
  • Energy-efficient lamps consume 80% less energy and last 25 times longer.
  • Motion-sensitive light sensors can save up to an additional 75% energy.
  • Dimming can save up to an additional 50% energy.
  • General lighting consumption is 4 TWh annually, 1.5% of the country's consumption.
  • Reducing room heating temperature by 1 degree saves 7% energy.
  • Facade insulation saves at least 35% energy.
  • Insulation boards behind radiators save up to 6% energy.
  • Uninsulated valve heat loss equals heat loss of 2.5 meters of pipe of the same diameter.
  • In the UK, living areas are heated to 21 °C, bedrooms to 18 °C.
  • In the EU, reducing room heating temperature by 1 degree saves 20 billion m3 of natural gas.
  • Unnecessary 100 kg load in a vehicle increases fuel consumption by 1 liter per 100 km.
  • 0.5 bar underinflated tires increase fuel consumption by 5%.
  • Internal combustion engine vehicles emit 14 kg CO2 per 100 km; electric vehicles emit 8 kg CO2.
  • Unplugging the iron a few minutes before finishing saves 5% energy.
  • Reducing shower time by 1 minute saves 18 tons of water per person annually.
  • Regularly cleaning vacuum filters saves 10% energy.
  • 95% of hair dryer energy is used to heat air, 5% to move it.
  • Opening the oven door causes 20% heat loss each time.
  • Placing refrigerators near heat sources like ovens or radiators increases consumption by 10-20%.
  • Cooking with the lid closed saves 60% energy.
  • Changing refrigerator class from F to E reduces consumption by 20%.
  • Microwave heating of small amounts of food saves 50% energy.
  • Adjusting stove flame to only heat the pot base saves 30% energy.
  • Heating water on the stove uses 2.5 times less energy than electric heaters.
  • Office indoor temperature should be at most 22 °C in winter and at least 24 °C in summer.
  • In Japan, government offices are heated to a maximum of 20 °C in winter and cooled to at least 28 °C in summer.
  • In Germany, government offices are heated to a maximum of 19 °C in winter.
  • Printers left in standby mode overnight can print 1500 pages worth of photocopies.
  • Desktop computers consume 5 times more electricity than laptops.
  • Annual standby energy waste in residences is 1 TWh.
  • Energy management systems, early fault detection, and AI applications can save up to 30% energy.
  • Digital technologies reduce machine downtime by 30-50% through preventive maintenance.
  • By 2050, there will be 1 billion smart homes and 11 billion smart home appliances.
  • 82% of organizations with smart manufacturing applications see productivity increases.
  • Digitalization will reduce global building sector energy demand by 10% by 2040.
  • Digitalization in transportation offers a 25% energy saving potential in freight and passenger transport.