Running your caravan air conditioner in winter: Top things to consider in 2022

Phillip Rigby

Phillip Rigby

Air Conditioner expert and outdoors man.

Last updated July 16, 2022

The majority of houses and caravans are equipped with air conditioners. Winter can barely be delayed any longer because it is drawing near. Though is it? We’ll go over how to operate your AC during the winter and address all of your questions.

The general consensus is that a caravan air-con just cools. This is untrue, though. Any season can be controlled with the help of modern air conditioners. By doing this, the AC’s operation is reversed, enabling winter operation.

Even though caravan air conditioners can work in winter, there are still some precautions to be taken.

Can I Run My AC in my Caravan During Winter?

Yes! It makes sense to use your ductless heat pumps or reversible air conditioners all year.

You may still be able to use your air conditioner during winter even if it isn’t reversible. You can turn your air conditioner on fan mode if your room gets too stuffy.

When is it too cold to use an air conditioner?

There is a minimum temperature threshold that air conditioners must operate at. No matter what brand, model, or type of air conditioner you have there is a minimum operating temperature.

The appliance can be damaged if it is left below its minimum temperature.

  • Freezing refrigerant coils
  • Thickening of lubricant
  • Moving parts and bearings damaged

How to Run in Winter?

It is wise to search for heating alternatives, as furnaces and ducted systems are expensive. What if one heating and cooling appliance could be used instead of two?

This is exactly what a mini-split heatpump does. The same appliance can be used throughout the year to keep you warm and cool in summer and warm in winter. There are many types of heat pumps on the market, including a mini-split.

Air conditioners work by moving heat from a hot area (indoors), to a cooler environment (outdoors). This works well in summer. In winter, however, you will want to heat the outside and bring it inside.

A reversing valve in heat pumps is used to achieve heating functionality.

Freeze Protection Mode

Some air conditioners provide freeze protection and are useful in places where it is extremely cold. The AC works at a low power setting, where warm air is constantly introduced to the room. This prevents the temperature in the room from dropping below freezing. This feature minimizes the risk of damage to delicate electronic equipment, water pipes or paintings, and is very affordable.

Can Running AC in Cold Weather Cause Damage?

AC running in winter can be dangerous because of multiple factors. An air conditioner can run in any mode with moderately cold temperatures. It can be dangerous to run the air conditioner below 15 degrees Celsius.

Lubrication Loss

The compressor is important and must be maintained in top condition. Lubricants are used to smoothen the compressor and ensure it works properly. It can become thicker in winter and stop working, making it more susceptible to damage.

Low Ambient Temperature Sensitor

Low ambient temperature sensors are standard on most air conditioners. This prevents the air conditioner from operating in extreme cold. You can make expensive repairs if you attempt to turn on the air conditioner despite the cold temperatures.

Overheating Compressor

A compressor heats up as with all mechanical devices. A compressor can overheat if it is exposed to extreme cold. The air conditioner can be damaged if it is used below its minimum temperature or become unrepairable.

Freezing Cooling Coils

Water may drip from an outdoor unit of an air conditioner when it is being used. This is condensation from copper coils outside. This condensed water may freeze in winter. Air won’t heat up if it is frozen.

Frosting the outdoor unit can also cause damage. The cooling coils can be punctured if the unit is frozen. Keep the unit off for at least a couple of hours while the ice melts. A hairdryer can be used to speed up the process by pointing at the vents and fans of the outdoor unit.

Heating Efficiency Measurement

The Heating Season Performance Factor (HSPF) can be used to measure your air conditioner’s heating efficiency. Higher HSPF means a more efficient heating system and lower energy bills.

HSPF calculations show how an air conditioner’s heating season heat output is compared to the electricity consumed. It is possible to ensure that the outdoor temperature variations throughout the year are taken into account by using the heating output and electricity consumption.

Final Thoughts

Modern air conditioners make it easy to run AC in winter. A reversible AC conditioner can bring hot air into your room. Even if your air conditioner is not reversible, it can still provide fresh air to a hot or stuffy room.

However, extreme cold temperatures can cause the outdoor unit to freeze.

These considerations will help you to be able to use your air conditioner during winter.

Video: Running an air con in winter