Most residential AC units can cool air to around 60-65°F (15-18°C), which is considered comfortable for indoor settings. However, specialized industrial or scientific systems can reach lower temperatures, potentially going as low as -60°F (-51°C).
So, how cold can my air con go? Most air conditioning units are designed to go as low as 17°C, but do note that air conditioners are designed to achieve an inside temperature that is up to 11°C lower than the outside temperature.
While the standard room temperature of 72 degrees Fahrenheit is commonly favored by many, others argue for higher settings, particularly when it's hotter outside.
And, the best spot to do it at is 78 degrees Fahrenheit. According to Energy Star, it's an ideal temperature. 78 degrees keeps you fairly cool and comfortable during the day. It also shouldn't make your electric bill skyrocket.
In general, the US Department of Energy recommends setting your thermostat to 78 degrees Fahrenheit when you're at home and need cooling. This temperature allows for both comfort and energy savings. However, if you live in a particularly hot or humid climate, you may find that 78 degrees is not cool enough for you.
IS 68 TOO COLD FOR AC? Setting your AC to 68°F might feel too cold for some, especially in residential settings, as it is lower than the typical comfort range. However, preferences vary, and this temperature might be suitable for those who prefer cooler environments.
The turbo mode is the most powerful. It's for absolute quick cooling. It allows users to cool a room quickly and effectively by operating at a span of 30 minutes before switching back to the previous settings.
For many of us, 70 degrees is the ideal indoor temperature, but when it is close to 100 degrees outside, your AC unit will be working quite hard to meet these expectations. Consider setting your thermostat at 75 degrees to 80 degrees in your home if the outside temperature is approaching triple digits.
Best AC Temperature Settings While You Are Home
As you consider the most comfortable room temperature for your lifestyle and family, keep in mind that for each degree that you set your thermostat above 72 degrees, you can save up to 3% on your energy bill.
Most people know that turning up the thermostat on their air conditioner to a higher temperature will result in cooler air blowing from the vents. However, there is a point at which increasing the temperature any further does not make the air cooler – it just uses more energy and costs more money.
What is the Best Thermostat Setting for Summer Air Conditioner Use? Energy Star recommends the following thermostat temperatures for your air conditioner in the summer: 78°F during the day if people are home. 82°F at night if people are home.
68 to 72 degrees is a temperature range that is not too warm or cool, and is sufficient enough to warm up the home just enough so that everyone is comfortable regardless of the type of clothing they have on.
There are benefits to having your air conditioner set to “auto” and “on.” The benefits of the “auto” setting include higher efficiency, lower energy bills, better humidity control, less wear and tear on some components, and quieter running.
Recommended AC Temperature for Sleeping
The Sleep Foundation says 65° is the best temperature for sleeping. However, if you prefer a slightly warmer or cooler room, that's okay, too. The recommended range is 60–68°, so there is some wiggle room.
Here are some pointers to strike the perfect balance: Recommended range: Aim for a thermostat setting between 24°C (75°F) and 26°C (78°F). Each degree lower can increase energy consumption by 8%.
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.
leaving it on all day and night is better for the HVAC system because it's less taxing. Should you turn off your AC when on vacation? HVAC experts agree it's better to keep your AC on when you're on vacation, especially if you don't plan to leave any windows open.
Cool mode: Ideal for hot days, this mode reduces the room temperature to your desired setting. Dry mode: Perfect for humid conditions, this mode removes excess moisture from the air without significantly reducing the temperature.
The California Energy Commission recommends that homeowners set their thermostat to 78 degrees when they're home and 85 degrees when they're away from home during the summer.
For the most efficient performance, set the thermostat 20 degrees lower than the temperature outside. On a 100℉ day, set it to 78℉ to 80℉ to manage utility costs. If there's a lack of airflow, the filter may need to be changed or AC vents cleaned. But it may also mean your air conditioner needs professional repair.
If this is the case, it may be necessary to keep your thermostat set at 72-74 degrees until everyone goes to bed. This can also depend on the number of people living in the house, or even whether you're preparing a home-cooked meal. If it's just you and your spouse, you may be fine with the temperature set at 75-77.
The coldest temperature for most air conditioners is typically 16°C (60°F), depending on the model and manufacturer. However, some units may have a minimum temperature setting slightly higher or lower.
To set your air conditioner for cooling, switch on the unit and select the "Cool" mode, usually marked by a snowflake symbol. Use the temperature control buttons to set your preferred temperature. Adjust the fan speed to your liking. The air conditioner will start cooling the room to the set temperature.
Auto mode is similar to cool mode as the AC unit will work to cool the air down. However, unlike cool mode, once the room reaches the set temperature, both the compressor and fan switch off. This mode is another ideal mode for saving energy and money as once everything is switched off no electricity is used.