How do heat pumps keep your home warm on a cold night and cool in the hot summer?

 

Heat pumps move heat from one place to another using high and low pressure refrigerants, known locally as the “Gas”. If you go to your kitchen and put your hand near the back of your fridge, you’ll feel heat rising off it. Believe it or not, that heat is coming out of the inside of your fridge using heat transfer through the “Gas”. When you set your heat pump to air conditioning mode, it’s pretty much the same technology at work. When you want a warmer home, heat pumps simply reverse the process of the vapour compression cycle.

Heat pumps can work as both heaters and air conditioners

Here’s how heat pumps work. Your indoor heat pump unit is connected to an outdoor unit, and inside each unit is a large coil of metal. In the summer the internal unit transfers heat via the gas to the fan coil of the outside unit, this is where the heat is disposed of.

 

Heat Pumps on Heating Mode

 

Even though it feels cold outside, there is still heat in the air. As winter comes the temperature drops, your heat pump has to work harder to absorb and transfer the same amount of heat to keep your home warm. Because of this, some older models of heat pumps will stop working when the temperature drops too low. Newer Inverter heat pumps will keep effectively heating your home with no drop in performance, even when temperatures reach -15 degrees Celcius! Now that’s cold!

Quite simply

The vapour compression cycle

While heating, heat pumps extract warm air from outside and transfer it inside.

 

 

Heat Pump on Cooling Mode

How heat pumps actually work is relatively simple, but very technical to explain, and most people are happy knowing that it’s using the same technology as your fridge but in reverse. To really understand how heat pumps work, we need to learn about the vapour compression cycle.

As air conditioners, heat pumps simply transfer the hot air that's inside, outside.

AIR CONDITIONING HOT & COLD, HOW?

Málaga · Costa del Sol

How heat pumps actually work is relatively simple, but very technical to explain, and most people are happy knowing that it’s using the same technology as your fridge but in reverse. To really understand how heat pumps work, we need to learn about the vapour compression cycle.​

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