Is 70 degrees cold for AC?

If you want to feel good, as in comfortable, many people will want to lower their thermostat to the low 70s in summer. But if you're talking about saving money on energy and limiting your environmental impact, 70 degrees Fahrenheit is a very bad temperature for your AC to reach.
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Is 70 degrees too cold for AC?

Once you have the right size air conditioner, there's still an ideal temperature range to consider. It's best to not set your thermostat lower than 70 to 72 degrees. Most units are not designed to cool a house below that point, and you risk the system freezing up.
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Is 70 degrees a good house temperature?

A safe temperature is accepted to be between 68 and 74 degrees Fahrenheit for people above the age of 65. The temperature inside your home should not reach below 68 degrees Fahrenheit in any case, as that increases the risk of respiratory disease and even hypothermia if there is prolonged exposure.
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Can I turn my AC below 70?

Do not set your thermostat below 70 degrees as it will not cool any faster and could freeze up the system causing more problems. Understand that there is generally a 20 degree difference between indoor air and outside temperatures.
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Is 68 too low for AC?

Turning your AC to 69 degrees is getting relatively close to the “danger zone” for causing it to freeze up and break. Typically, we recommend keeping your thermostat set to no less than 68 degrees. Since 69 is above that temperature, it would most likely be safe.
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Risk of Using AC in the Winter



What temp is too low for AC?

What Temperature is Too Cold for Air Conditioners? HVAC manufacturers usually recommend that users do not operate their units for prolonged periods of time if the temperature is lower than 65 degrees Fahrenheit.
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How cool should AC air be?

If the AC system is operating correctly, then the air coming out of your vent should be about twenty degrees cooler than the regular temperature inside. So, if you're cooling it and the house is 80 degrees, then you would ideally want the air to be about 60 degrees.
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Is 70 too high for thermostat?

The ideal temperature for living spaces is 70 degrees Fahrenheit, while bedrooms should usually be a bit cooler at 68 degrees Fahrenheit. Your body temperature fluctuates when you are sleeping, and you can improve your sleep by keeping your home temperature lower at night.
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Is 68 too cold for house?

While there's not exactly one answer, because every person's comfort level is different, Energy.gov recommends 68 degrees as the ideal thermostat temperature for winter. However, for every degree lower you set your thermostat, you could save between 1-3% of your heating costs.
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What temperature is too cold for a house?

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.
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Why does my house feel cold at 70?

Your house could be cold due to an old air filter, a faulty furnace, improper insulation, or leaky ductwork. The simple fixes, like replacing an air filter, are relatively easy to complete. However, if the heater itself needs repairs, it's best to call in a professional to take a look and determine the problem.
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What should AC be set at?

According to the Department of Energy1, 78° Fahrenheit is the sweet spot for air conditioners to balance energy savings and comfort when people are at home and need cooling.
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What is the best temperature for AC in summer?

It turns out that the best indoor temperature for your home during the summer months is 78 degrees, according to the U.S. Department of Energy. If that temperature falls outside your comfort level, there are several ways to modify how your home feels without causing your energy bill to spike.
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What should be temperature of AC in winter?

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.
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Why is 70 degrees comfortable?

It does so by circulating blood near the surface of the skin, by exhaling warm, humidified air, and by evaporating sweat. These processes function best when ambient temperature is around 70 degrees Fahrenheit, where we feel most comfortable, and they serve to maintain core body temperature around 98 degrees F.
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Is 72 degrees considered cold?

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.
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Is 74 a good temperature for air conditioning?

Typically, our bodies are most comfortable when the air inside our home is 74-76 degrees. So, a safe setting is 75 degrees. However, this is only necessary when you're in your home.
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Is 72 a good temperature for heat in the winter?

And don't be afraid to drop your thermostat even lower at night – even in winter. If you're at home in the daytime, 72° F (22° C) is a good start, but aim for 68° F (20° C). If you're not at home in the daytime, or you're asleep at night, we feel 66° F (19° C) to 62° F (17° C) is best.
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What should I set my AC to at night?

The best AC temperature for sleeping is generally between 60-67 degrees, according to sleep psychologist Michelle Drerup. As your body falls asleep, its temperature decreases slightly. So, setting your thermostat between 60-67 degrees helps this process, therefore helping you fall asleep faster and more comfortably.
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Is 72 degrees the perfect temperature?

According to the Lansing State Journal, 72 degrees is the most comfortable temperature due to our body temperature and the rate at which we generate heat.
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What temperature is best for sleeping?

The best bedroom temperature for sleep is approximately 65 degrees Fahrenheit (18.3 degrees Celsius). This may vary by a few degrees from person to person, but most doctors recommend keeping the thermostat set between 60 to 67 degrees Fahrenheit (15.6 to 19.4 degrees Celsius) for the most comfortable sleep.
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Is 66 too cold for house?

Even if you keep your temperature between 60°F and 65°F, your home or apartment may not be warm enough to keep you safe. This is a special problem if you live alone because there is no one else to feel the chilliness of the house or notice if you are having symptoms of hypothermia.
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What temp do you turn on AC?

So when can you turn on your air conditioning? A standard system that has the proper refrigerant charge and correct airflow (from good ductwork and a proper fan speed setting on the indoor furnace or air handler) can be turned on at outdoor temperatures at or above 65 degrees.
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Is it bad to turn your AC too low?

Air conditioners generally only cool at one speed (though some have variable speed settings to improve energy efficiency). Lowering the temperature too much only makes your air conditioner run for longer, increasing wear and tear on your AC along with your bills.
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How cold is 70?

70 degrees Fahrenheit is considered to be room temperature.
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