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5 Emergency Heaters You Can Make with Everyday Household Items

5 Emergency Heaters You Can Make with Everyday Household Items post image

The grid has gone down and you have no heat! Luckily, there is the internet with loads of information about how to make a survival heater. Oh, wait… The internet isn’t exactly going to be working when the grid is down, so hopefully you put these DIY emergency heater designs to memory now before you need them!

Metal Can, Alcohol and Toilet Paper Emergency Heater

Here is one more reason to stockpile lots of toilet paper in your emergency supplies! This emergency heater is made out of a tin can (large soup cans and gallon paint cans work well), toilet paper, and 70% isopropyl alcohol.

Just put a roll of toilet paper into a tin can. Pour the alcohol over the toilet paper so it is just saturated. Then light the alcohol on fire.  The alcohol is the fuel and the toilet paper is like a wick in a candle. The emergency heater can burn for over an hour and does a good job of heating the air. Because only the alcohol on top is on fire (where it touches the air), the bottom of the can stays cool.  You will need a few of these to heat a room.

toilet paper heater

Flower Pot and Tea Light Emergency Heater

You’ve probably seen this design for an emergency heater before. It is really genius and can be used as supplemental heating in non-emergency situations too.

The traditional design for this DIY heater calls for:

  • 4 tea lights
  • 1 smaller ceramic flower pot
  • 1 larger ceramic flower pot
  • A metal pan + grill rack to set on top of it
  • Small piece of aluminum foil


  1. Put the tea lights on the metal pan. Light them.
  2. Put the grill rack on top of the pan.
  3. Set the smaller flower pot on top of the grill rack; the flower pot should be upside down so the open side is towards the tea lights
  4. Use the aluminum foil to plug the drain hole on the smaller flower pot
  5. Set the larger flower pot on top of the smaller one (do not plug its drain hole)

The idea behind this emergency heater is that the smaller pot works as a convector to gather the heat from the tea lights, and the larger pot acts as a radiator.

The only real problem with the tea light-flower pot heater is that the tray can get really hot. You could try setting your tea lights on bricks instead and propping the ceramic pots up with more bricks. Or, you can put in a little bit more effort and make the design shown in the video.

flower pot diy heater

Rocket Stove

There are a bunch of ways to make rocket stoves. You can even make small ones out of coffee cans to use for off-grid cooking. If you want to heat with a rocket stove though, you will need to have something much larger. An old propane tank or beer keg will work great. The problem with this is that you’ve got to be able to cut the metal tanks – and how are you going to do that in an emergency situation when the grid is down? That is why I like this rocket stove design which is made from a 5 gallon bucket. Note that, when using rocket stoves inside, you have to have an exhaust (like your chimney). You can always rig up an exhaust out your window, but then you will need to seal it off to prevent cold air from getting inside.

The quality on this video is bad, but the guy does a great job of explaining how to build a rocket stove.

rocket stove

And here is a picture illustrating how a rocket stove works.rocket stove heater

Image credit: “Rocket stove” by NokoBunva. Licensed under CC BY-SA 3.0 via Commons –

Paper Logs

So, you’ve got a rocket stove, wood burning stove, or a fireplace… Now you need something to burn. Before you start hacking up your furniture for fuel, you should consider making paper logs.   First you drill some holes in the bucket. Then you basically just mix paper and water in a big bucket to make a paper pulp. Put something heavy on the pulp to drain the water out. When it dries, you will have a big briquette made out of paper. It will burn for hours.

paper log

DIY Solar Heater from Tin Cans

This project is more intensive, and not something you will probably need to rely on for short-term grid outages. But, if you have a Bug Out retreat like a cabin, this is a project worth considering. The idea is to make a wall out of the tin cans. Cold air is drawn out of the home and goes through a heating panel (which is the columns of cans). The heated air is then returned to the home. For this to work, you obviously have to put them where there is a lot of sunlight. Install it on a room which has the most direct sunlight.

For this project, you will need:

  • About 200-300 aluminum cans.
  • 3 – 8 ft. 2x4s.
  • 4 ft. x 8 ft. x 1/2 in. sheet of plywood.
  • High temperature silicon.
  • 4 ft. x 8 ft. sheet of Plexiglas or Lexan.
  • A can of heat-resistant flat black spray paint.
  • Plastic tubing.
  • Drill Press with wide drill bits.
  • Screws.

Watch the video for the full instructions. Or you can find written instructions here.

soda solar panel

Have you every tried making any of these DIY heaters? Let us know in the comments below or join the conversation on Facebook.