What is the safest indoor temperature for elderly people in winter?
We keep our thermostat at 62°F overnight to save on heating costs, but my 80-year-old father says he feels cold. What indoor temperature is actually safe for older adults in winter, and how cold is too cold?
✓ Accepted answer
The safest indoor temperature for most healthy older adults in winter is between 68°F and 72°F during waking hours, while sleeping temperatures can safely drop to 60°F to 65°F if they are well-insulated.
- Set the thermostat to 68°F. Maintaining a steady 68°F helps prevent hypothermia and reduces the risk of falls caused by stiffness in joints or shivering, which can impair balance in adults over 70.
- Prioritize consistent warmth over cost savings. While dropping the heat to 62°F saves money, it creates a dangerous environment for those with poor circulation or thyroid issues; the National Institute on Aging recommends keeping at least one room in the home at or above 68°F.
- Address the specific source of cold. If your father feels cold at 62°F, he likely has a lower internal thermal set point. Implementing localized heating with a space heater in his main living area allows you to keep the whole-house thermostat lower without exposing him to systemic cold stress.
- Monitor for warning signs. Watch for confusion, slurred speech, or shivering that does not stop with dry clothes, as these are early indicators of hypothermia. The CDC advises calling 911 immediately if these symptoms appear.
- Use layered clothing. Encourage him to wear thermal underlayers and use a weighted blanket in the 62°F sleeping room to trap body heat effectively without increasing the ambient temperature.
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