DIY Indoor Dryer Vent | Paint Bucket Heater

We decided to make an indoor dryer vent to help heat our little shabin during the winter...and it sure is getting cold. So we'll take all the warmth we can get! First saw this from the link below:
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[@stevenmorris2293]

Hi
What about a paint strainer bag instead of water ?

[@wildtheythrive9160]

You could try it for sure, but you may have more dust due to lack of moisture.

[@oldarkie3880]

A strainer bag would clog up before even one load was done.

[@sir_iosis6760]

What about a hvac filter over the bucket holes without the water.. i have a basement unit but dont want it humid for mold.. is it possible if i use a 5 gallon bucket with no water and the hvac filters for the holes.. would that push out heat the same?