Running your air conditioner during the winter doesn't typically cause damage to ACs in areas with milder winters. However, operating an AC in low temperatures can pose several risks to your HVAC system, including: Frozen condenser coils. A significant reduction in efficiency with an increase in energy consumption.
Here are some tips to keep your air conditioner running optimally this summer: Set a reasonable temperature: HVAC professionals strongly recommend never setting the thermostat lower than 68 degrees in the summer.
No. AC does not cause illness.
This A/C unit, a 2019 build, is in a constant state of repair and has more new parts than original at this point. What's the recommended safe temperature? 65° is a fair benchmark to use and ideally the temperature should remain above 60° for 2-3 days before testing.
If you set the thermostat too low, it strains the AC. This leads to air conditioning malfunctions and costly repairs.
A significant reduction in efficiency with an increase in energy consumption. Faster wear and tear to your unit. Fluctuating refrigerant levels, which can cause damage to your compressor.
A common rule of thumb is that most models can function properly only above 68 degrees Fahrenheit. Any lower temperature will result in the system freezing up. In addition to a frosty refrigerant, the piping and coils could also become covered with ice.
Because it is outside most people's comfort zone, practically all air conditioning systems are designed to ensure that the system will not run when the outside temperature is below 60 degrees Fahrenheit. In most cases, running an air conditioner below this temperature is not safe.
The constant running of your AC unit will reduce pressure in the evaporator, or cooling coil until it freezes over, according to Cool Today. This is why in some cases, this constant running can be dangerous. The freezing of the coil can cause liquid refrigerant to flood back into the unit's compressor and damage it.
Exposure to AC will affect respiratory health
Sleeping in a room with the AC on can lead to respiratory problems, particularly for individuals who are sensitive to cold air or have existing respiratory conditions such as asthma or allergies.
The most common air conditioning-related sickness symptoms are minor ones. You may experience sneezing, coughing, or a sore throat from air conditioning. These symptoms usually occur due to hair or dust in the air, not viruses or bacteria.
During the summer, the ideal room temperature is between 22 and 26 degrees Celsius. This temperature range is considered comfortable for most people during the summer months, as it helps keep the room cool while providing a comfortable living environment.
Using Your AC When It's Too Cold Outside
Lastly, if the temperature outside is below 60 degrees, and your AC's temperature is set below 68 degrees, this can cause the evaporator coils to freeze as there is not enough warm air in the house for the AC to sufficiently cool.
Condensation occurs naturally on the evaporator coils of your indoor unit, but the unit is designed to lead that water outside. However, if your house is humid, any part of your central AC system that becomes very cold can produce enough condensation to promote mold growth.
This is more of a personal question, as different people feel comfortable at different temperatures. Since 72 degrees is generally agreed upon to be an ideal indoor temperature, most people would probably still feel comfortable setting their AC units slightly higher than this, perhaps at around 75.
In most cases, especially in residential applications, you should not run your air conditioner when outdoor temperatures are below 60 degrees. The air conditioner does function, but you are going to burn out the compressor fairly quickly.
1st Step: Turn Your HVAC Unit Off.
Even if it's sweltering outside, you still need to turn OFF your air conditioner! Running a frozen air conditioner will wear out parts much faster, and could overheat your unit. Worn parts are bad news for the most expensive piece of your HVAC unit—the compressor.
An AC unit is happiest creating space temperatures no lower than 68 degrees fahrenheit.
In most cases, air conditioners only have one speed (though some have variable speed settings to improve energy efficiency). Lowering the temperature too much causes your air conditioner to operate longer, causing more wear and tear on it as well as higher utility bills.
When the temperature drops below the manufacturer's minimum recommendation, typically around 60°F (15°C), the air conditioner's internal components are at risk. One of the most common issues is the freezing of coils, which occurs when the refrigerant isn't able to flow properly.
To fix a frozen AC unit, turn it off to let the ice melt. Check and replace the air filter if it's clogged, and ensure the vents are clear. Also, clean the coils. If the issue persists, call a professional to inspect for refrigerant leaks or a malfunctioning component.
How Often Do I Need to Change Out My Air Filter? Generally, most air filter manufacturers and HVAC companies recommend changing your air filter every 90 days, or 3 months. That can change based on where your home is located (ex. dusty, dry climates), if you have any pets, and the age of your system and equipment.
Dirty air filter: A dirty air filter can restrict airflow, which can make it harder for your AC unit to cool your home. If your air filter is dirty, it's recommended to replace it every 1-3 months. Low refrigerant: Refrigerant is a liquid that helps your AC unit transfer heat from inside your home to the outside.