A recent article published by Canstar Blue suggests that the standard air conditioner's temperature should be set to 25 to 27 degrees for cooling in summer, and around 18 to 20 degrees for heating in winter. This is to ensure maximum energy efficiency from your unit.
If you're setting your air conditioner in cooling mode, doing so at lower than 21C will normally be regarded as too cold to have much impact and is generally wasteful of electricity.
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.
Air conditioners have minimal temperature limits below which a person will begin to feel uneasy. Each air conditioner, regardless of model or brand, has the lowest temperature limit. The temperature must be below 60 degrees Fahrenheit. The unit's inner coils will freeze.
Setting an air conditioner to quick cool sets it's temperature to 18 or 16 oC (64.4 oF or 60.8 oF). This means that the compressor stops only when the indoor temperature reaches this level.
Temperatures as low as 19°C are known to be an effective level to set your air conditioner at while you sleep. Consider adjusting or setting your air conditioning system to reduce the temperature overnight.
An appropriately dressed adult who is considered normal and healthy should be comfortable in a room that is approximately 18 degrees C (64 degrees F). If you are prone to respiratory problems or allergies, you should never set your thermostat below 16 degrees C (61 degrees F).
Air conditioners are not designed to operate in or produce temperatures below 60 degrees. Truth be told, they're happiest around the 68 degree mark. Most thermostats simply won't allow you to choose a setting below this mark.
You should never set the AC at the minimum temperature. People often think that setting the AC at 16 degrees will provide better cooling, but that's not really the case. As per the Bureau of Energy Efficiency (BEE), the ideal temperature for the human body is 24 and any AC will take less load to achieve that target.
The Normal human body temperature is 36-37 degree celsius. Hence, to take a temperature closer to 24 degrees is considered to be healthier for individuals in tropical regions like India.
What do the independent experts say? The Energy Saving Trust recommends heating your home to between 18 to 21 degrees celsius during winter. And The World Health Organisation (WHO) suggests 18 degrees is the ideal temperature for healthy and well-dressed people.
'Room temperature' is defined as "a comfortable ambient temperature, generally taken as about 20°C". And the definition stays similar across all the sources I looked at, which usually quote a "20-22 degree" mark.
On average, the best air conditioner temperature setting for summer in Australia is around 23℃ – 24℃ for comfort or 25℃ – 27℃ for maximum energy savings. In winter, reverse cycle heating should be set to around 18℃ – 20℃.
Most air conditioning systems can only handle a 20-degree difference between the outside and inside air temperatures.
If the air conditioner does not cool, the air filter might be clogged. In such case, air cannot flow through properly which greatly reduces the cooling capacity of the air conditioner. Either clean the air filter or replace it as needed.
Sleeping in a room with the air conditioner set to an appropriate temperature is important for quality sleep. The ideal AC temperature for sleeping is around 65°F (18.3°C).
Having a good night's sleep can get you many health benefits for your body, skin, and even your nervous system. One of the ways to sleep better is to set a comfortable temperature for your room. The experts found that the ideal bedroom temperature is 25°C.
If your central AC is not blowing cold air, the refrigerant may be the problem. The unit could be running low and need additional refrigerant added. The most likely cause of this is a leak. A leak not only keeps the AC unit from cooling properly, but also it can cause other issues within the home.
Average temperatures in Australia during winters drops down to as low as 15 °C (59 °F). How cold does it get in Sydney in winter? Average maximum temperatures in Sydney in winter months (June-August) varies around 16°C which reflects that the city experiences only mild winters.
Most experts recommend 18-20°C as the ideal temperature to set your air conditioner's thermostat in winter and throughout the year. This temperature is the most efficient in terms of energy.
An ideal bedroom temperature is around 16-18°C (60-65°F). Hot, cold or draughty rooms can seriously impact on your sleep, in particular REM (rapid eye movement) sleep. Temperatures over 24°C (71°F) are likely to cause restlessness, while a cold room of about 12°C (53°F) will make it difficult to drop off.
How cold is too cold? Below 13° - If your home is this cold, it may increase your blood pressure and risk of cardiovascular disease. 14-15° - If your home is this cold, you may be diminishing your resistance to respiratory diseases. 18° - This is the recommended night time bedroom temperature.
It is important to make sure that your baby is a comfortable temperature – not too hot or too cold. The chance of SIDS is higher in babies who get too hot. A room temperature of 16-20°C – with light bedding or a lightweight, well-fitting baby sleep bag– is comfortable and safe for sleeping babies.
HVAC experts will tell you all the same thing: turning your thermostat to a lower setting DOES NOT cool your home faster. Setting your thermostat to 65 degrees will not get your home cooler faster than setting it at 73.