When substances are heated, they gain heat energy. The atoms and molecules of substances gain kinetic energy and their speed increases. The average kinetic energy of these particles is ...

The actual value for the specific heat capacity of water is 4,200 J/kg°C. The calculated value does not match exactly but it is in the correct order of magnitude. Evaluation.

Picking the right heat pump system for your home is crucial and can save you money in the long run. Here's our guide to ...

When the heat storage capacity of building components was changed, the maximum increase of the hourly heat load additional coefficient of the air-conditioning system with intermittent heating was 5%.

The U.S. heating specialist said its new heat pump system can operate "reliably" at -30 C and achieve 100% heating capacity at -17 C, with full cooling capacity being achievable at 50 C.