I just discovered this mod/upgrade too! In fact, I've been visiting some
friends with a wood stove and I bought them a fan as a gift (and as a proof
of concept).

I got one for less than $20 on Amazon and it was money well spent.

Warmly,
Pete

On Tue, Nov 15, 2022, 4:25 PM Richard Koerner <rjkinpb@sbcglobal.net> wrote:

> I know all you guys are familiar with Mr Heater Buddy propane heaters.  If
> you live in a humid environment, you probably detest them.  If you use this
> propane heater in winter desert or mountain conditions (like me), you
> probably love them.  A pretty clever contraption I recently discovered and
> bought for around $30 is what is known as a "wood stove fan".  Uses the
> Seebeck principle:  bottom end gets hot, top end is cold, in between is
> sort of a giant thermocouple (different metals) which produces electricity
> which drives a little motor which turns a fan blade.  Buddy Heaters produce
> radiant heat.  But a lot of heat rises above ceramic plate and just floats
> up to ceiling; here is where the "wood stove fan" works; it takes that
> rising heat, and blows most of it forward!  So clever YouTube folks mounted
> one of these units on top of Buddy Heater (I mounted mine with bent
> coathanger pieces); and yes...it really works!  Kinda magical!  No external
> electricity source; totally quiet; you can feel a breeze at 2.5 feet and it
> disappears at 3 feet.  But that's OK, moves a lot of air...now a means of
> providing convection heating in addition to radiant heating.  Will give it
> a good test in winter desert Thanksgiving weekend.  (And no....the
> electrical usage and the noise and hassle of Chinese Diesel Heaters is not
> for me.)
>