Eko Orlan Model 25 Wood Gasification Boiler (1 of 2)

Owner installed during November 2008. Unit replaced 30 year old Memco wood-fired boiler.

Excellent information related to firewood moisture content and the affect on efficiency:
http://www.youtube.com/watch?v=-Rp1yBpP3xE&NR=1

Boiler purchased from AHONA, Burlington Flats, New York:
http://www.ahona.com/

Heats my home and provides domestic hot water via a 300 gallon storage tank.

Category:

Science & Technology

Tags:

• Eko
• Orlan
• wood gasification boiler

[mtknaebe]

Just a data point, moisture meters don’t give accurate results in end grain, plus that was the surface exposed to the room. Try weighing the wood at 20% and then after a few days and you will see the mc probably did not drop much. See table 4-2 at the Forest Products lab wood handbook and you will see that wood at 70 F and 10% RH (odds are your RH is higher) for an infinite amount of time will only drop to a mc of 2.5%

Mark Knaebe

[Kntryhart]

@mtknaebe Thanks for the info. I use the readings as a reference. All wood going into the boiler has been in the heated space a minimum of 1 month before use. I can tell the wood is quite dry simply by how light it feels when I pick up a piece. There is no "sizzle" or water being forced out when it is inside the combustion chamber.

[drowler2]

Hi great video, I live in Tasmania Australia at about 750 metres above sea level, our summers are warm but winters get very cold, hardwood is readily available on & around our property. I am interested in getting an Eko & have made contact with the manufacturer for importing one... no problem but I wish to find out as much as I can from owners before committing. Are you still happy? are there any maintenance issues showing up? rust? etc.

Cheers Dave

[Kntryhart]

Hi Dave! Yes, very happy. The unit has been hibernating for the summer, but soon it will be back to work! No issues or problems. Good luck!

Regards, JT

[katz217]

You have done excellent job on these video's .. Iam happy for you.. Thanks for the show

[katz217]

You have excellent job on these video's .. Iam happy for you.. Thanks for the show

[razvanon]

you should buy a viessman vitoligno that's very eficient also more expensive

[40markava]

If you split that again and take a reading you will be more like 30

[HiramMaxim]

Great Video!

[Kntryhart]

I did some rough fuel cost calculations tonite. This is conservative. On average, I have used 1.5 facecord of firewood per month this winter. It has been a cold winter. This results in firewood cost of about $52.00 per month. I keep my thermostat at 73 degrees 24/7 and I get all my domestic hot water as well. Very pleased.