Rocket mass heater air-air heating idea for adobe floor

[swiatmar]

Hello
I was wondering if there would be a possibilitie to build a rocket mass heater connected with AIR-HEATED RADIANT FLOOR system. like the company Legalett is doing for example with solar thermal energy.(I am afraid that in this way it won't work at my place because we have not much sun in winter)

www.youtube.com/watch?v=sT7tWVys5hI

the system need only a warming source. so why dont to use rocket mass heater?

In the mass heater is working the warm air. what if you put an separate extra closed  metal spiral form tubes in the barell and connect it to the radiant  floor tube system filled with air and set some small ventilator inside to influent the air movement. The floor will be made out of adobe (adobe earthen floor- so a great conductor) maybe I am wrong. but there are also water systems that are working this way alternatively. why should it work with air? okay the size of the tubes has to be bigger than this for water

 Paul Wheaton was doing something like that but with the big tubes that was hidden in floor. well my floor has not so much high

www.youtube.com/watch?v=6lUCOowOmJ8


thanks for any answer , advices  and corrections  

[Dan (Upstate NY, USA)]

So with their build they are sending warm clean air through small tubes, when you make a Korean Ondol system you need to use bigger tubes lots of cleanouts to remove fly ash and it needs to be smoke tight as F*&K so you don't kill your family with CO.

If you make a a smoke to air heat exchanger to heat clean air to send it down the tubes it could supplement mass heating but 90 percent of your heating would still come from the smoke to mass heat.

Air to air heat exchangers are not very efficient.

[swiatmar]

But why some companies for example parati or legallet are making such system? I mean they use different source.. And my idea was not to connect the mass heater output, but put an air spiral closed system in the barrael which has a separtae air that will be warm up in the barrell and send to the tubes in the floor and moved with a fan. I have not so much knowledge about it. but if companies are selling it it means it has to work somehow. I would only change the heat source...
like this
www.youtube.com/watch?v=sT7tWVys5hI

but the output wil be heated by rocket mass heater. and adobe floor can  quite well save the heat  also like a seating bank on a rocket mass heater

[swiatmar]

for clearance:
"Air-air heating can be used in structures that can be built on a foundation. This heating uses pipes with a diameter of 100 mm in addition to plates. Thermal insulation is used under the entire surface of the heating system. The source of heating in this case can be an electric heater, water heater, as well as a fireplace. Air circulation in the ducts is forced by a fan. However, it is never the source"

"Heating with air from the fireplace is an interesting form of raising the temperature in the rooms. The operation of this distribution system is very simple and consists in heating the fireplace insert, which then releases the heat to the air. The design of the fireplace and the use of elements typical for fireplace heating systems are very important. Small-scale systems are driven by the force of gravity. To heat a larger area, a fan is used, which forces its circulation even over long distances"

[Dan (Upstate NY, USA)]

Well build it and post some photos. I just would not use my time and materials that way, who knows maybe it will work.

[swiatmar]

well they are doing it like this in sweden since more than 30 years. but they use different source- so the system seems to work . and the rocket mass heater would be use as a source. I know that air doesn't work well as a saver or battery for the heat. but if my rocket is running the room is getting warm. the adobe floor is quite cold and the idea was to use the working rocket mass heater also for get the floor warmer. and adobe in it self also storage some heat. well this is theory. and I have less expirience. I only would like to know if it could work or what I could expecting from that. by the way the house wil be build next year so I dont have to change anything only add the pipes in the floor and heat exchanger ( I hope this is the right word for it) to the rocket mass output (closed separately)

[Dan (Upstate NY, USA)]

If you wanna heat the floor solid to liquid is much more efficient and cheap. Takes less material less cost, a little more electricity to pump it around but you get SO MUCH MORE HEAT transfer to the floor that in the end you use less electricity.

[gadget]

Dan is correct, air will take more power to pump vs water for same BTU's

[chrisholtslag]

I have always liked the roman hypocaust system of floor heating. It's basically like a big bell / stratification chamber that you can walk on. between 30-40 cm tall. you could consider doing part of your floor like that, and have two levels.