How low should I set my thermostat at night?
Christopher Ramos
Updated on July 16, 2026
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.The best bedroom temperature The American Heritage Dictionary of the English Language identifies room temperature as around 20–22 °C (68–72 °F), while the Oxford English Dictionary states that it is "conventionally taken as about 20 °C (68 °F)". › wiki › Room_temperature
How low should thermostat be overnight?
What Temperature Should I Set My Thermostat In The Winter?
- When Home: 68-70 degrees Fahrenheit.
- When Sleeping: 65 degrees Fahrenheit.
- When You're Away: 65 degrees Fahrenheit.
- Adjust thermostat in 5-8 degree increments.
What should I set my heat to at night?
Sleep scientists suggest that for optimal sleeping conditions, room temperature should be between 60 and 67°F. That figure is considerably lower than the daytime recommendation, furthering your heating bill savings while also reaping improved sleep.
Is 65 degrees 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.
What temperature should I set my thermostat at night in winter?
According to the Department of Energy, setting your thermostat to the lowest comfortable temperature, which is typically 68 degrees Fahrenheit in the winter, helps slow down heat loss for homes with a regular furnace or baseboard heating system. However, that's not the case for homes with heat pumps.
40 related questions foundIs 72 a good temperature for heat in the winter?
The lower the temperature is inside of the home, the slower the rate of thermal energy loss. To achieve optimal comfort, it is recommended for homeowners to set their thermostats between 68 to 72 degrees while there are people inside of the home.
Is it cheaper to turn heat down at night?
For every degree that you lower the thermostat can help you save up to 1% on your heating costs. So, if you turn down the heating eight degrees for about eight hours a night, you can enjoy a saving of approximately $180 annually on your heating.
Is 63 too cold for a house?
What Temperature is Too Cold for a House? While everyone has a different tolerance to cold, ideal winter heat settings should generally be at or above 63 °F (17 °C). Excessive cold (anything below 62 °F or 16 °C) in your home can actually raise your blood pressure as your blood “thickens” in the chilly temperatures.
What is the healthiest temperature to keep your house?
Depending on the season, the ideal house temperature for both comfort and efficiency is between 68 to 78 degrees Fahrenheit. In the summer, the recommended thermostat setting is 78 degrees F. In the winter, 68 degrees is recommended for energy savings.
Is it better to turn down the heat at night?
According to Energy.gov, the better way to save money on heating bills is to set back the temperature of your home at least 8 degrees for 8 hours or longer (while you sleep). In fact, you can save 1% on your heating bill for every degree that you lower the thermostat.
What temp should a house be at night?
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.
Is 70 too high for thermostat in winter?
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. I recommend trying to keep your house below 80 degrees at all times during the summer.
Should central heating be left on overnight?
Hot, dry air can leave you dehydrated, and even reduces your ability to fight off infections. Leaving the central heating on all night can also leave you thirsty and with a dry mouth.
Is 75 a good temperature for heat in the winter?
Typically, our bodies are most comfortable when the air inside our home is 74-76 degrees. So, a safe setting is 75 degrees.
Is 62 too cold for a house?
The World Health Organization (WHO) recommends indoor temperatures of at least 64°F (you can drop that down to 62°F at night if you're really looking to save on your heating bill). But if you have infants, sick or elderly people in your household, then it's recommended that you keep the thermostat set at 70°F.
Is it better to sleep when it's cold or hot?
The ideal temperature for sleep is about 65°F (18.3°C), give or take a few degrees. Our body temperature naturally drops a little during sleep, and a cool — but not cold — sleeping environment is ideal to have a good night's sleep. When it's too hot, you're more likely to toss and turn, which disrupts your sleep.
Is it cheaper to keep your house at constant temperature?
The Department of Energy estimates homeowners using programmable thermostats this way can save as much as 15% a year on heating and cooling by simply setting back the temperature by 7°-10°F for 8 hours a day from its normal setting.
What is the ideal room temperature for an elderly person?
This Is the Ideal Room Temperature for an Elderly Person
The average—and safe—room temperature for an elderly person is around 78 degrees, according to research published in Age and Aging. To prevent an elderly person from becoming too cold, it's recommended the room temperature never drops below 65 degrees.
Is it bad to keep your house cold in the winter?
Cold homes are bad for health. If you're struggling to pay your heating bills and your home is cold and damp, your health may suffer. Problems and diseases linked to the cold range from blood pressure increases and common colds, to heart attacks and pneumonia.
Is 58 too cold for a house?
Is 58 Degrees Too Cold for a House? 58°F (14°C) is too cold for a house with people in it. If you set such a low temperature while you're in the house, you put yourself at risk of hypothermia. This temperature setting is only meant to reduce your energy costs while you're away.
Can living in a cold house make you sick?
Super-cold air, wind, or water can make you sick. It's called cold stress. It can affect you in different ways, depending on climate conditions, how you're dressed, medical conditions you might have, and how long you're out in it.
Is 78 too hot for a house?
Any time you're awake and at home during the summer, the ideal thermostat temperature is 78 degrees. This home temperature for energy efficiency lowers your cooling bills by 12 percent compared to keeping it at 74 degrees. If you're afraid 78 degrees is too warm, remember to dress for the season.
Is 66 too low for heat?
You can also drop it down a few degrees when you're sleeping to save more energy, as you'll be under the blankets for extra warmth. A common recommendation is to set the heat to 62 degrees for the best energy efficiency when you're sleeping, but if that's too chilly, aim for no higher than 66 degrees.
Is 64 too cold for a house?
The World Health Organization (WHO) recommends setting your thermostat no lower than 64 degrees (F) in the Winter months while people are in the home. If there are infants or elderly individuals, they recommend keeping the temperature at 70 degrees at a minimum.
Is it cheaper to leave heating on low all day?
According to experts at the Energy Saving Trust, the idea it's cheaper to leave the heating on low all day is a myth. They're clear that having the heating on only when you need it is, in the long run, the best way to save energy, and therefore money.
