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Staying warm safely when the heat goes out

Set up a backup heat source before winter, keep the warmth in one room when the heat fails, and know the signs of hypothermia.

Satisfy+ Editorial · Published October 8, 2026 · 3 min read

A person on a couch in wool socks and a sweater, wrapped in a throw blanket with a warm drink
MargJohnsonVA / Envato

At a glance

Never
Heat the house with the stove or oven
Generator
At least 20 feet from windows, doors and vents
Space heater
3 feet from anything that can burn
Hypothermia
Below 95°F needs medical help right away

Older adults lose body heat more easily than younger people, and babies sleeping in cold rooms are at risk of hypothermia. Set up a safe backup before winter, then keep the heat you have in one room when the furnace stops.

Before winter

  • Keep a backup heat source readyExtra blankets and warm coats count, and so does a fireplace with dry firewood or an electric space heater.
  • Use an electric space heater with an automatic shut-off switch
  • Put battery-powered carbon monoxide alarms in the house
  • Keep flashlights and lanterns with fresh batteries in place of candlesCandles start house fires during outages. If you use one, never leave it lit in an empty room.
  • Have the heating system serviced by a qualified technician every year

Get ready for a winter without heat

  • Set aside extra blankets and warm coats for an outage
  • Put fresh batteries in the flashlights and the CO alarms
  • Book the yearly heating service
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When the heat goes out

  • Pick one room to keep warm and close the doors to the rest
  • Block the drafts under the doors with towels
  • Close the curtains, or cover the windows, at night
  • Keep the doors to the outside shut as much as you can
  • Never use the stove or oven to heat the house
  • Never run a generator, grill or camp stove inside, in the basement or in the garageTheir exhaust carries carbon monoxide, which can kill. A generator goes at least 20 feet from the windows, doors and vents.
  • Keep a space heater 3 feet from curtains, bedding and furniturePlug it straight into the wall, never into an extension cord, and keep children away from it.
  • Let the faucets drip and open the cabinets under the sinksThe moving water and the warm air keep the pipes from freezing. Thaw a frozen pipe with a hair dryer, never a torch.

Babies and older adults

  • Dress a baby in warm sleepwear and keep pillows and soft bedding out of the crib
  • Arrange to stay somewhere else if the house can't be kept warm for a baby
  • Check the indoor temperature often if you're over 65, and check on older neighbors
  • Know the signs of hypothermiaIn adults, look for shivering, exhaustion, confusion, fumbling hands, slurred speech and drowsiness. A baby with hypothermia has bright red, cold skin and very little energy.

If someone's temperature drops below 95°F, get medical help right away. While you wait, move them to the warmest room and take off any wet clothing. Warm the center of the body first: the chest, neck, head and groin. Warm drinks help, but never alcohol, and never give a drink to someone who isn't awake. Hypothermia can set in above 40°F when someone is wet from rain or sweat.

Running a portable generator safely covers the generator in detail, and space heater safety covers placing and plugging in a heater.

FAQ

Is it safe to heat the house with a gas oven?

No. Turning on the stove or oven for heat is never safe.

How do I keep the pipes from freezing without heat?

Let the faucets drip and open the cabinet doors under the sinks. If a pipe freezes, thaw it with a hair dryer.

When is someone too cold to wait it out?

When their temperature is below 95°F, or a baby has bright red, cold skin and very little energy. Get medical help right away.

Sources

Checked October 19, 2026

  1. Centers for Disease Control and Prevention. Safety guidelines: during and after a winter storm (2026)
  2. Centers for Disease Control and Prevention. Preventing hypothermia (2026)
  • Power outage
  • Cold
  • Owner
  • Winter storm
  • Winter
  • Tenant

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