Understanding How a Heat Pump Can Cool Your Home

heat pumpIf you are renovating your home or building from the ground up, consider installing a heat pump for cooling and heating your South Georgia home. Heat pumps are highly efficient because they use a relatively small amount of electricity to run equipment that moves heat from one place to another. A heat pump that is correctly sized and installed can move up to three times as much heat energy as it consumes in electric energy to run the system.

Heat Pump Operation

Heat pumps consist of three key parts: a compressor and two copper coils designed for efficient heat transfer. A refrigerant runs in a continuous loop through the coils and compressor. In split systems, the compressor and one coil are housed in a unit outside the home and the second coil is installed indoors inside the ductwork. Packaged units house all three components in the outdoor unit.

In cooling mode, the indoor coil acts as an evaporator where the refrigerant expands and absorbs heat from inside the house. A blower moves air in the ducts across the evaporator coil and the cooled air is distributed throughout the home. The refrigerant moves to the outdoor unit where it is compressed and releases its heat to the outdoor air via the condenser coil.

In heating mode, the refrigerant flow is reversed so that the outdoor coil acts as the evaporator and the indoor coil becomes the condenser, where air is heated inside the ductwork and is then blown throughout the home.

Improving Efficiency

Tighten up your house before you size your heat pump. If you improve your home’s energy efficiency by sealing air leaks, adding insulation, and repairing ductwork, your resulting reduced cooling load will let you install smaller heat pump equipment. This will save on your up-front investment and reduce your monthly operating costs.

Consider including zoning and programmable thermostats in your system for greater energy efficiency. By controlling the temperature in several areas of your home independently, you can save money while keeping your family more comfortable.

Contact us at Ray & Son Heating & Air Conditioning for more information on home cooling with a heat pump.

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