The four basic heat pump designs for space heating and cooling employ: • air as the heat source-sink and air as the heating and cooling…
Category: Refrigerator Heat Pumps
In these systems, coil A in Figure 4.2 is buried underground and heat is extracted from the ground. These heat pump systems have limited use.…
In Figure 4.2, these systems work in reverse of the water-to-air heat pumps: they extract heat from ambient or exhaust air to heat or preheat…
These systems use air on both sides (on coils) and provide heating or cooling. In the cooling mode, heat is removed from the air in…
Some heat pumps have been designed to operate utilizing a water source instead of an air source simply by designing the outdoor heat exchanger to…
In these heat pump systems, the heat source and the heat sink are water. The heat pump system takes heat from a water source (by…
A systematic classification of the different types of heat pumps is difficult because the classification can be made from numerous points of view, e.g. purpose…
Solar energy, as either direct or diffuse radiation, is similar to air in its characteristics. A solar-source heat pump or a combined solar/heat pump heating…
Soil or sub-soil (ground source) systems are used for residential and commercial applications and have similar advantages to water-source systems, due to the relatively high…
Water-source units are common in applied or built-up installations where internal heat sources or heat or cold reclamation is possible. In addition, solar or off-peak…