Home » Products » Heating & Cooling Systems

Heating & Cooling Systems

Contact Randy Coyle, Director of Member Services for further details.

In the winter, a groundwater open loop heat pump extracts heat from underground water and pumps it through the heat pump system. Heat is extracted by the refrigerant in the unit and the water is returned to the ground through a re-injection well. The heat extracted from the water is compressed to raise the temperature. Then it is transferred from the refrigerant to the air being circulated through the home’s forced air heating system.
During the summer, heat from the home is transferred through the refrigerant system to the water. The heated water is then sent to the re-injection well.

This system is an alternative when unstable groundwater supplies or state environmental laws prohibit open loop systems.
The closed loop ground-source heat pump pushes a heat-absorbing liquid through a loop of sealed plastic tubing buried either horizontally or vertically underground. The fluid absorbs heat from the ground in the winter and delivers it to the heat pump where refrigerant absorbs the heat. The refrigerant is then compressed to raise the temperature. The hot refrigerant is circulated through a coil in the home heating air, which is then released into the home. The process is reversed in the summer for air conditioning.
Horizontal systems are installed where soil conditions don’t permit vertical installation.

Even on the coldest days, outdoor air contains heat. An air-to-air heat pump can absorb heat from outdoor air even when the temperature is at zero degrees Fahrenheit or below.
This system absorbs heat from the outdoor air by a refrigerant flowing through a coil in the outdoor unit. The refrigerant is compressed to increase its temperature. The heated refrigerant then flows into the house and through another coil in the furnace where the heat is transferred to indoor air.
To air condition, the heat pump’s operating cycle reverses. The heat pump then becomes a central air conditioner, absorbing heat from the indoor air and transferring it through the refrigeration system to the outdoor air.