would be benificial to install a garn or a smaller gasser with 1500 gallon starage what would be the diffrence?
speaking of tarm , does anyone know the exhaust temp of one ? , and does the garn have better effic. because of more heat ex. tube? What Im trying to do is figure out if i want to go with a garn or a smaller unit with 1000 gal storage. would i get the same thing in the end and couldnt i just do batch burns with a smaller unit?
jebatty said:In response to the lead post, not an easy or exact answer. I don't think the Garn storage does much good if the need is for high temperature output, like 160F and above for baseboard or unit heaters. A gasifier with buffer storage may excel here. I also think a well insulated tank separate from a gasifier would be more efficient that an insulated Garn in a lower heat demand situation. I have a feeling, not yet based on data, that standby heat loss from a Garn is quite high, as well as heat loss towards the end of a burn. At the same time the Garn would do generally well in a demand situation below 130-140F, and certainly is a convenient, all-in-one approach. If there ever is a thought about moving a system, I would look more at a gasifier and separate storage (I moved my Tarm and 1000 gal tank this summer to my new shop, quite easy). I'm sure there are other factors, pro and con for each setup, but these are a few thoughts.
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