Related Experiment Video
Updated: Apr 27, 2026
06:57
Determining Viral Disinfection Efficacy of Hot Water Laundering
Published on: June 21, 2022
2.6K
Summary
New European Union Ecodesign and Energy Labelling Directives for water heaters take effect September 26, 2015. Products must meet minimum energy performance criteria and display an energy label to be sold legally in the European Economic Area.
Area of Science:
- Environmental science
- Energy policy
Background:
- The European Union has implemented new Ecodesign and Energy Labelling Directives for water heaters.
- These directives, specifically Lot 2, aim to improve the energy efficiency of water-heating products.
Purpose of the Study:
- To explain the implications of the new Ecodesign and Energy Labelling Directives for water heaters.
- To inform stakeholders about the minimum energy performance criteria and labelling requirements.
Main Methods:
- The abstract does not detail specific methodologies but refers to the directives themselves as the basis for the information.
- Expert explanation from a technical support manager at Heatrae Sadia.
Main Results:
- Water-heating products sold in the UK and European Economic Area must meet new minimum energy performance standards.
- Mandatory energy labelling will be required for water-heating products.
Conclusions:
- Compliance with the Ecodesign and Energy Labelling Directives is essential for legal market placement of water heaters.
- Manufacturers and consumers need to be aware of and adhere to the new energy efficiency regulations.
Related Concept Videos
01:22Thermal Expansion
4.4K
The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, which is the change in size or volume of a given system as its temperature changes. The most visible example is the expansion of hot air. When air is heated, it expands and becomes less dense than the surrounding air, which then exerts an upward force on the hot air to, for example, make steam and smoke rise, and hot air balloons float. The same behavior happens in all liquids and gases,...
4.4K
01:26Regulation of Water Output
1.9K
The human body predominantly expels water through the urinary system. On average, an individual generates around 1.5 liters of urine each day. This amount can fluctuate based on how well a person is hydrated, but a critical minimum quantity of urine must be produced to ensure the body's proper functioning. Daily, the kidneys remove 600 to 1200 milliosmoles of dissolved substances, effectively excreting excess minerals and water-soluble toxins such as creatinine, urea, and uric acid from the...
1.9K
01:22Gas Thermometers and the Kelvin Scale
5.2K
The definition of temperature in terms of molecular motion suggests that there should be a lowest possible temperature, where the average kinetic energy of molecules is zero (or the minimum allowed by quantum mechanics). Experiments confirm the existence of such a temperature, called absolute zero. An absolute temperature scale is one whose zero point is absolute zero. Such scales are convenient in science because several physical quantities, such as the volume of an ideal gas, are directly...
5.2K
01:25Design Example: Designing a Residential Plumbing System
922
The design of residential plumbing systems requires carefully evaluating water demand, flow rates, and pressure dynamics to ensure both efficiency and reliability. The nature of water flow within pipes is defined by its Reynolds number, which classifies flow as either laminar (smooth) or turbulent.
922
01:28Bioreactor Controls-I
92
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
92
02:44Heating and Cooling Curves
23.1K
When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves.
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance,...
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance,...
23.1K