HEI150 Wood Insert Fireplace Installation and Operation Manual
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3.2.3 Log Length
Logs should be cut at least 1” (25 mm) shorter than the firebox so they fit in easily. Pieces
that are even slightly too long make loading the insert very difficult. The most common
standard length of firewood is 16” (400 mm).
The pieces should be a consistent length, with a maximum of 1” (25 mm) variation from
piece to piece.
3.2.4 Piece Size
Firewood dries more quickly when it is split. Large unsplit rounds can take years to dry
enough to burn. Even when dried, unsplit logs are difficult to ignite because they don’t have
the sharp edges where the flames first catch. Logs as small as 3” (75 mm) should be split to
encourage drying.
Wood should be split to a range of sizes, from about 3” to 6” (75 mm to 150 mm) in cross
section. Having a range of sizes makes starting and rekindling fires much easier. Often, the
firewood purchased from commercial suppliers is not split finely enough for convenient
stoking. It is sometimes advisable to resplit the wood before stacking to dry.
