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Heat Pumps 101:
Welcome to Heat Pumps 101...
Where class is always in session!
[Page 1 of 3]
"Studying may begin"
Heat pumps offer the most energy efficient way to provide heating and cooling in many applications, as they can use renewable heat sources in our surroundings. Even at temperatures we consider to be cold, air, ground and water contain useful heat that's continuously replenished by the sun. By applying a little more energy, a heat pump can raise the temperature of this heat energy to the level needed.
Because heat pumps consume less primary energy than conventional heating systems, they are an important technology for reducing emissions of gases that harm the environment, such as carbon dioxide (CO2), sulfur dioxide (SO2) and nitrogen oxides (NOx).
Heat flows naturally from a higher to a lower temperature. Heat pumps, however, are able to force the heat flow in the other direction, using a relatively small amount of high quality drive energy (electricity, fuel, or high temperature waste heat). Thus heat pumps can transfer heat from natural heat sources in the surroundings, such as the air, ground or water, or even man-made heat sources such as industrial or domestic waste, to a building or an industrial application.
Heat pumps can also be used for cooling. Heat is then transferred in the opposite direction, from the application that is cooled, to surroundings at a higher temperature. Sometimes the excess heat from cooling is used for to meet a simultaneous heat demand.
Simply put, during a call for cooling, a heat pump will remove heat and humidity from your home and will transfer this heat to the outdoor air.
During the heating cycle, a heat pump will remove heat and humidity from the outdoor air and will transfer this heat to your home. This is possible because even 0 degrees Fahrenheit outdoor air contains a great deal of heat. Remember that your heat pump doesn't generate much heat it merely transfers it from one place to another.
A Constant Heat...
A heat pump delivers a lower supply air temperature than a furnace over a longer period of time to provide a more constant heat. It may give you the impression that your system "never stops running", or "it feels like cold air". At times, the temperature of the air coming out of the vents is less than your body temperature so it feels like cold air. But it is still providing heat for your house. And when it can no longer keep-up with the heat loss of the structure, the 2nd stage or auxiliary heat will automatically energize, bringing on a much warmer heat.
Outdoor Coil defrosting...
Heat Pump Tips | Heat Pump Maintenance | Heat Pump FAQ's
How Comfortable Do You Want To Be?
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