Is oversizing a pellet stove a problem?

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Jason_in_AK

New Member
Jan 14, 2008
17
Tok Alaska
Howdy all. I'm looking at possibly replacing my Toyo oil burner with a Harman pellet stove. The only concern I have is that, when I go on trips in the winter I'll need to have somebody come over and load pellets for me. In order to get a big enough hopper to cover the times when it's 70 below zero without having to be fed 2x a day I'll have to have a pretty drastically over-sized stove. I know the stoves have automatic controls, so I assume this won't be an issue, since the augur would just feed a smaller volume of pellets than it's capable of. I wanted to double check with folks that would know the actual answer and make sure I'm not creating unnecessary problems for myself, however.

My ideal for hoppers on the Harman would be the one with the hopper extension that lets you load up 140ish pounds of pellets at a time, but the high end BTU output is WAY over what I actually need for my 700 sq foot cabin.

I'm really wanting to get away from burning oil completely, but I'm also pretty fond of the freedom that having 250 gallons of oil sitting in a tank provides in terms of being able to go away for a week or two at a time.

I also have a cord-wood burning stove in the cabin. Part of the appeal of replacing the Toyo instead of the wood stove with the pellet burner is that I have the ability to go out and cut my own heating fuel when I want.
 
Running a pellet stove on LOW most of the time has no ill side effects. Then when you need a really quick warm up or its really cold outside you have the ability to crank it up and get a blast of heat.
 
if you are set on going with harman (which isnt a bad choice by the way ) they have an external hopper that can feed the stove available i think (might be pricy) strikes me i saw one at the atlanta show this past spring. maybe a harman dealer in here can comment better on this than i as i do not know all of their product line that well. calling out the harman troops, need some help!
 
Thanks for the feedback. I looked around on the Harman site for a while and couldn't find an external hopper, but I bet if such a thing doesn't currently exist, it will soon.
 
I just saw the external hopper at a dealer in NH and it was only like $1500 bucks. Seems like a good deal to me, it had some sort of a mechanism to automatically feed the stove.
 
I know Harman has an optional hopper extension for their P38 (which would probably be ideal for your 700 sq ft cabin). I believe the external hopper brings the capacity to 100 lbs of pellets. If what I've read here is correct, at least one member is reporting about 35 hours out of a 40 lb bag at the low setting. If so, 100 lbs of pellets would burn for about 3.65 days. I suspect a low setting would likely be enough to keep the place warm enough to keep everything above freezing, but I doubt 3.65 days is still enough for what you're looking to do.

Another option might be building your own oversized hopper...
 
The add on hopper adds 60 more pounds of pellet space to the Harman P-68. Gives ya like 136 pounds total. The Englander 25-PUF holds 240 pounds without an extension.
 
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