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www.youtube.com/watch?v=14MmsNPtn6U

Rexpert, the Heat Pump Expert, of Chaffee Air explains the basic operation of a split system air-source heat pump. These same principles are applied to all air conditioning and refrigeration systems.

home.howstuffworks.com/.../heating-and-cooling/heat-pump1.htm

So heat is transferred from a "heat source," like the ground or air, into a "heat sink," like your home. One of the most common types of heat pumps is the air-source heat pump. This marvel of modern technology takes heat from the air outside your home and pumps it inside through refrigerant-filled coils, not too different from what's on the ...

www.bandccomfort.com/how-do-heat-pumps-work-hvac-questions

Q: Will a heat pump work in the Northwest? A: The Northwest is one of the best locations in the country for heat pump use. Moderate winter temperatures have enough outdoor heat to allow heat pumps to keep working efficiently. Learn more about how heat pumps work, and see the advantages of heat pumps over air conditioners.

www.heatpump-reviews.com/heat-pump.html

The Heat Pump is very simple once you understand the basic concept (and I promise you will after reading this). As the name suggests a heat-pump transfers or pumps heat from one place to another, (notice the use of the word “pump”- heat is not generated but rather is moved). As they say “a picture worth a thousand words”.

www.revisionenergy.com/blogs/how-mini-split-heat-pumps-work

Since the heat pump moves heat, rather than creating it, it is much more efficient than traditional electric heating systems, and in fact has an overall efficiency of 250%. Though heat pumps work great using straight grid electricity, this form of heat is only as clean as the source of that electricity.

www.energy.gov/eere/geothermal/animations

Geothermal Heat Pumps. Geothermal heat pumps use the stable temperatures of the ground (often vertical boreholes typically are 100 to 400 feet deep) as a heat source to warm buildings in winters and as a heat sink to cool them in summer. A heat pump works through application of the "refrigeration cycle."

www.thisoldhouse.com/ideas/how-heat-pump-works

In colder climates, a geo-exchange (geothermal) heat pump might be a better heat pump choice. A loop of pipe in the ground filled with antifreeze replaces the outdoor air conditioning unit and always sees the earth's 52 degrees F. The initial cost is dramatically higher because of drilling or loop installation cost, but it works in cold weather.

yourairexperts.com/blog/how-a-heat-pump-works

How a Heat Pump Works During Heating Season. Heat pumps are commonly used to pull the heat out of the outside air. This air is sent through the heat pump’s system where it is warmed to a comfortable temperature; this heated air is then pumped into your home.

home.howstuffworks.com/.../heating-and-cooling/heat-pump.htm

Heat pumps are typically used to pull heat out of the air or ground to heat a home or office building, but they can be reversed to cool a building. In a way, if you know how an air conditioner works, then you already know a lot about how a heat pump works. This is because heat pumps and air conditioners operate in a very similar way.