Heat Exchanger for Furnace

The heat exchanger is installed on the flue of any furnace and improves its manufacturer and efficiency by more than 2.5 times. Which significantly increases fuel economy, reduces warm-up time. The essence of the work is simple: in addition to smoke, heat is also emitted from the chimney, which also can be used. The heat exchanger takes this heat and gives it to the room in which it is located. Very good results are obtained with stoves that work on solid fuels.


  • Metal bucket from under building or paintwork materials.
  • 8 pieces of steel pipe with a diameter of 1/4 inch.
  • 1 piece of steel pipe with a diameter of 1/2 inch.
  • 2 pieces of pipe 6 inches to connect to chimney.
  • Steel sheet.
  • Spray paint.
  • High-temperature cement for fireplaces - 1 tube.

Making a heat exchanger for a furnace

Take a metal bucket and replace it pouring its depth. Steel pipe cut into 8 equal lengths with a length equal to the depth of the bucket.And one ninth segment of a larger diameter.
Heat Exchanger for the Oven
The edges are cleaned from burrs and rust or any other plaque. From the steel sheet we cut a square into which the bucket diameter will fit. Draw the diameter and hole for a large pipe in the center. Also, on the middle line, mark 8 holes for the pipes. We drill all the marked holes with a thin drill for the metal.
Heat Exchanger for Ovens
I'll make 8 holes of the desired diameter for a dispenser by a homemade dispenser. Heat Exchanger for the Stove
Heat Exchanger for the StoveHeat Exchanger for a kiln From a square we cut out a circle on a band saw.

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