Is it possible to run your AC in winter? All your questions answered
- gppanchal55
- Aug 9, 2021
- 5 min read
Updated: Aug 11, 2021
These days almost every house has an air conditioner that runs at maximum efficiency during the summer months why not? All of us want to be comfortable and cool with winter just around the corner, it is probably time to put these appliances on hold and wait until next summer but is that the case? We will answer all of your questions and show you how to run your AC in winter.
Most people believe an air conditioner cools a room.

However, this is not true modern air conditioners can adjust the temperature to your preference in both summer and winter the AC switches its function to reverse it, which allows the AC to run more efficiently in winter, and thus throw warm air into the room.

Air conditioners can work in winter, but there are still some things you need to remember to heat your home effectively. You're in luck if you plan to use your ductless ac conditioner during winter. To help you, we've put together a list with frequently asked questions about running air conditioners in winter.
Can my AC be used in winter?
Yes, it is. If you have a reversible heat pump or a ductless air conditioner, you can use it all year and still enjoy the heating function Ductless heating systems offer many benefits.
Even though your air conditioner may not be reversible, it can still be useful in winter if your room becomes too stuffy or suffocating from heating, you can turn your air conditioner on fan mode.
However, keep in mind that your air conditioner's efficiency will not be the same as it is during summer the reason is that even though you can use your air conditioner in winter, it was designed to work when the outdoor temperature is higher than your indoor temperature.

What happens when it gets too cold for an air conditioner?
Air conditioners, like other appliances and humans, have a minimum operating temperature. Below this threshold, they will not work properly. There will be a minimum operating temperature no matter what brand, model, or type of air conditioner you have.
An AC should work best when the temperature outside is below 60 degrees Fahrenheit. The AC stops working properly if the temperature drops below this level. It can damage the appliance if the temperature drops below this point.
Freezing refrigerant coils
Thickening of lubricant
Moving parts and bearings damaged
How to run AC in winter?

You don't want furnaces or ducted systems putting a dent in your utility bills. Instead, you want an alternative that is as efficient as heating but also less costly. What if one appliance could do both heating AND cooling?
This is exactly what a mini-split heat pump does. The same appliance can be used throughout the year with the same energy-saving features to keep you warm in winter and cool in summer. There are many types of heat pumps on the market, including mini-splits.
An air conditioner transfers heat from an indoor environment to an outdoor one. In summer, this is fine. However, in the winter, you need to heat the indoor space and then transfer the heat to the outdoor. Air conditioners must work in reverse.

A reversing valve, also known as a heat pump, is used to get your air conditioner to turn on allows heating functionality to be achieved.
Freeze Protection Mode during Winter
Some air conditioners offer freeze protection. Also known as "min. Depending on the air conditioner, this can be heat, low heat, or 8oC. It's extremely useful in areas that are subject to extreme cold. The AC is set to a low setting, where warm air is constantly introduced into the room prevents the temperature in the room from dropping below freezing or reaching near freezing. This feature is very useful in protecting sensitive electronic equipment, water pipes, and paintings. It also has a low operational cost.
Is it possible to damage your AC by running it in cold weather?
It isn't as easy as saying yes or no. Running AC in winter can be dangerous because many factors can be used as an air conditioner in all modes with moderately low temperatures. However, they should not use the air conditioner below 60 degrees Fahrenheit. Let's look at each problem one by one.

Loss of Lubrication
The compressor is an integral part of the air conditioner must be in top condition to continue running as intended. Lubricants are essential for a compressor's smooth operation. However, fats can become thicker in winter and may not work as intended. The compressor can be damaged or seize if it is not properly lubricated.
Low Ambient Temperature Sensor
Modern air conditioners have a low ambient temperature sensor. This sensor prevents the air conditioner from operating in extreme cold conditions and protects it from damage. It is possible to bypass this sensor and still turn on the air conditioner, but it can lead to expensive repairs.
Overheating Compressor
A compressor heats up as with all mechanical devices. To keep the interior warm in extreme cold, the compressor will need to work extra hard. Which could cause it to heat up. It can cause irreversible damage to the air conditioner, or worse, it could lead to costly repairs.

Freezing Cooling Coils
You may notice water dripping from an outdoor unit while the air conditioner is being used is condensation from copper coils outside. This condensed water can build up on the rings during the winter months. Air won't heat up if it is frozen on the waves. You will only feel cold air coming from the louvers.
Frosting the outdoor unit can also cause damage. Can puncture the cooling coils if the conditioner is running while it is frozen will require a replacement. You can prevent this by turning off the unit and melting the ice for at least two hours can be used a hairdryer or hot air blower to speed up the process.
How to Measure Heating Efficiency
The Heating Season Performance Factor (or HSPF) is used to measure your air conditioner's heating efficiency and efficiency. It's similar to how you measure your car’s efficiency in miles per gallon. Higher HSPF means a more efficient heating system and lower energy bills.
HSPF calculations compare the heat produced by an air conditioner over the heating season and the amount of electricity consumed. It is possible to account for outdoor temperature variations by using the heating output and the electricity used throughout the season.

The minimum HSPF residential air-source systems should have 8.2 HSPF. High-efficiency systems may have up to 13 HSPF, but a minimum of 10 HSPF is acceptable.
Is it possible to run your AC in winter?
These days almost every house has an air conditioner that runs at maximum efficiency during the summer months. Why not? All of us want to be comfortable and cool. With winter just around the corner, it is probably time to put these appliances on hold and wait until next summer. But is that the case? We will answer all of your questions and show you how to run your AC in winter.
Most people believe an air conditioner cools a room. However, this is not true. Modern air conditioners can adjust the temperature to your preference in both summer and winter. The AC switches its function to reverse it, which allows the AC to run more efficiently in winter, and thus throw warm air into the room. Side note: You may be interested in making the air conditioner more efficient for comfort and energy savings.

Air conditioners can work in winter, but there are still some things you need to remember to heat your home effectively. You're in luck if you plan to use your ductless ac conditioner in winter. To help you, we've put together a list with frequently asked questions about running air conditioners in winter.
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