Hello I am working on plans for a double bell masonry heater with a batch box. Intention is to heat a two story woodframe house ( 2 x 65 m2). House is designed with stove centrally located on first floor , adjacent to the wall of a staircase. Unfortunately my friend (and client ) resisted with the idea the mass heater to be fitted with a water heat exchanger , similar to this one: heatkit.com/html/lopezs.htm so we could heat the second floor with hidronic radiators. Instead my frend insisited that "we should keep it simple " and instead of hidronic transfer of heat we should think about transferring heat to the second floor with air ducts- somehow .... here is my last update before the idea for the ducts : donkey32.proboards.com/thread/2171/double-masonry-heater-suggestions-welcome
I am not confident that ducts are good solution.
I would appreciate any input and info on systems - mass heater , coupled with ducts carying hot air to other floors spaces. Regards Martin M
Hi Martin, can you update how did you solve heating upper floor rooms? I have similar situation, I would rather not use water in heater. I was thinking to run 4 duct pipes vertical trought thermal mass on the back side of bell, diameter cca. 10-15cm, air intake would be at the side on the bottom of the bell, with some 90° turn. I would add some small fans to force air faster up. Any thoughts on that?
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Mar 11, 2019 18:56:41 GMT -8
jlmtech: GADGET: CONSIDER USING A JET PUMP INSTEAD OF A BLOWER FAN TO INDUCE DRAFT; NO CLOGGING.
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deadstarsstillburn: Hi there. I was directed this way by folks on the Permies.com website and am hoping I can get some information on how a total newbie can get started designing, siting, building, and not-dying-in-a-horrible-house-fire with a new RMH in a 160-year old home
Oct 21, 2020 6:52:10 GMT -8
deadstarsstillburn: The people over there recommended either a 6" batchbox or an 8" J-tube. I don't know what those are but am going to try to figure that out. What I need is a blueprint that I can scale to fit the need for my house. I have something likne 5000 square feet
Oct 21, 2020 6:53:00 GMT -8
deadstarsstillburn: but I do not need to heat all of it by any means. probably only need to heat half of that, maybe less.
Oct 21, 2020 6:53:15 GMT -8
deadstarsstillburn: moreover, the house has 3 storeys (large attic) so I assume if I get very efficient heating on the ground floor, that will go a long way toward heating the upstairs as well, no?
Oct 21, 2020 6:53:59 GMT -8
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