What temperature is a heat pump not effective?

Heat pumps are used for cooling & heating.

These HVAC systems properly provide energy-efficient comfort all year round.

However, when hot & cold temperatures fall too low, you might notice that your heat pump plan struggles to keep up with your heating demands. Heat pumps heat your house by drawing heat from your outdoor air. Although it may recognize crisp outdoors, there is usually ample heat outdoors that you can use to provide sufficient heating inside your home. There comes a time when your outdoor temperature levels fall too low for optimal operation. Heat pumps do not function as efficiently when temperature levels fall between 25 & 40 degrees Fahrenheit for most systems. A heat pump plan operates best when temperature levels are above 40 degrees. Once outside hot & cold temperatures fall to 40 degrees, heat pumps begin to lose efficiency… In turn, they consume more energy to function. When temperature levels drop to 25 to 30 degrees, heat pumps lose their spot as the most efficient heating option for residential spaces. However, even at 25 degrees, your plan will still run. The issue with these temperature levels is that your plan will need more energy when in operation since there isn’t sufficient heat energy in your outdoor air for your heat pump to heat your indoor space. When your heat pump stops working efficiently, you may consider running your backup furnaces for warmth. A backup heating plan is usually installed for use during extreme weather conditions when heat pumps do not provide optimal energy efficiency. Instead, they consume large amounts of energy, decreasing your energy bills.

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