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The refrigerant condenses inside coils from a vapor to a liquid. Then it releases heat to warm up the house.

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Q: How can a heat pump warm a house by causing a refrigerant to evaporate and condense?
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What is one type of home heating system and describe how it transfers energy to warm the air inside the rooms?

Heat pumps use the evaporation and condensation of a refrigerant to provide heating in the winter and cooling in the summer. The liquid refrigerant travels through the out door coils during the winter and absorbs enough energy from the outside air to evaporate. Work is done on the gas by a compressor, increasing the refrigerant's energy. Then the refrigerant moves through the coils inside the house. The hot gas transfers heat energy to the air inside the house. This process warms the air while cooling the refrigerant gas enough for it to condense back into a liquid.


Why does a heat pump need an external source of energy to heat a house?

Heat pumps use a compressor to make the working fluid condense at a higher temperature.The compressor needs input energy.


When Thinking about putting a glass of water on the counter in the freezer and on a hot stove how dose the temperature of the water affect its kinetic energy and physical state?

So when u freeze water it terns to ice on a hot stove it will evaporate way faster but on the counter it depends on the house tempetcher


What could cause a loud vibrating sound when the air conditioning or water is not running?

If the house is changing its temperature, different structural elements will expand or contract at different rates, causing friction and consequent noises which can be quite loud. This is particularly true in basements.


What coils or uncoils with a change in temperature in a house thermostat?

These are called bi-metalic coils (two different metals stuck tightly together), which expand and contract at different rates when the temperature changes, thus coiling tighter or looser causing the glass tube filled with mercury to shift to the right or left to make or break the low voltage (~24volts usually) electrical connection, causing the air conditioner or heater to turn on and turn off when the temperature changes.

Related questions

What is one type of home heating system and describe how it transfers energy to warm the air inside the rooms?

Heat pumps use the evaporation and condensation of a refrigerant to provide heating in the winter and cooling in the summer. The liquid refrigerant travels through the out door coils during the winter and absorbs enough energy from the outside air to evaporate. Work is done on the gas by a compressor, increasing the refrigerant's energy. Then the refrigerant moves through the coils inside the house. The hot gas transfers heat energy to the air inside the house. This process warms the air while cooling the refrigerant gas enough for it to condense back into a liquid.


What type of refrigerant is required for a 1999 Infiniti QX4?

134A refrigerant which can be purchased at WalMart or any Parts house.


Why would a cup of water evaporate faster in the winter indoors?

Yes Water can evaporate inside. Have you ever taken a really hot shower and then your mirror fogs up? That's because the water was hot enough to evaporate then condensed on your mirror.


Where do you buy freon for central air conditioner?

First thing take the EPA test to prove you know how to Handel refrigerant in a safe and responsible manner, receive your certification then go to a HVAC&R supply house present your certificate and purchase the correct refrigerant .


How much water in a glass would evaporate in a week?

the water in the glass evaporates if the atmosphere temperature is at evaporating point of water


Are green house gas emissions good?

No, they are causing a hole in the Ozone Layer.


Why the house ac blow warm air not cold ac do not cycle on and off run continue?

Possibly low on refrigerant, time to call a repair man.


Why is there fog inside your house?

Fog inside the house can occur when warm, moist air comes into contact with a cold surface, causing the air to cool and condense into tiny water droplets. This can happen near windows or doors that are poorly insulated, or in areas with high humidity levels. Adequate ventilation and temperature control can help reduce fog inside the house.


Why does a heat pump need an external source of energy to heat a house?

Heat pumps use a compressor to make the working fluid condense at a higher temperature.The compressor needs input energy.


What's wrong if the house was hot and you noticed ice on the outside central air unit lines and today lines are ice free and the house is still hot and youpushed the reset button on the outside unit?

Low on refrigerant or dirty filter.


How much does a 30 pound tank of Forane 22 refrigerant cost?

The freon pipe broke and released all our air conditioning freon into our house. Is this dangerous and is it expensive to replace?


What is low humidity?

Moisture, the higher level of moisture in the air, the higher level of humidity it is. That's why when you walk into a green house it's hot and humid, the higher level of moisture in the air can sometimes make it difficult to breathe, ie. in a steam room.