To provide a hot air delivery device for a wood pellet stove capable of quietly carrying out forced draft of a heat exchange part without causing deterioration of heating capacity.

The hot air delivery device for the wood pellet stove is composed by providing a circulation blower 17 carrying out forced circulation of indoor air, and the heat exchange part 15 transferring heat of combustion gas from burning wood pellets in regard to the indoor air sent from the circulation blower 17. In the heat exchange part 15, a passage 31 for indoor air and a passage 32 for combustion gas are partitioned by a heat transfer plate 33, and at least one part of the heat transfer plate 33 is composed by a corrugated plate wherein a cross section of the indoor air passage 31 is formed in a corrugated form.