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A chimney height and flue size calculator ensures proper draft for fireplaces and wood stoves. The chimney must extend at least 2 feet above any structure within 10 feet. Flue area should be at least 1/8 of the fireplace opening; undersized flues cause smoke backdraft.

Trinn-for-trinn guide

  1. 1Input base values
  2. 2System computes results

Løste eksempler

Inndata
Enter the required values
Resultat
Result computed by the formula

Vanlige feil å unngå

  • Precision loss
  • Ignoring variables

Ofte stilte spørsmål

What does this calculator do?

Input base values

How do I use this calculator?

System computes results

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