energy efficiency and costs. Check out our guides to the best portable air conditioners and window units if you want specific recommendations. Spoiler: here are the top picks from each guide ...

The specific heat capacity of a substance is the amount of thermal energy needed to increase the temperature of 1 kg of the substance by 1°C. Different substances have different specific heat ...

Also, if \(1 kg\) of copper and \(1 kg\) aluminium have the same amount of heat energy added to them, the change in temperature for each metal is different. The specific heat capacity ...

“Organic PCMs are the easiest to use and cost between 2-10 €/kg,” Manco said. “The specific energy content is also rather variable, but approximately organic PCMs are able to store 200 kJ ...