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Reviews
2006-03-17 16:48:56
I've owned the Central Boiler "Classic" since 2000. As shipped, the unit is horrible. Only 22% net delivered efficiency and it smoked most of the time, even with dry wood. Like most outdoor boiler designs, the company was trying to maximize heat transfer, but gave no thought to the combustion process. After that first winter, I decided to void my warranty in the interest of science, and I modifed the boiler by adding firebrick and a secondary combustion chamber. The improvement was dramatic! The net efficiency is at least 48% and best of all no visible smoke once all the wood has caught, as long as it is well seasoned wood.
So I give this unit a 2 out of 5, since it can be made to work well, but one shouldn't have to rebuild a product to get satisfactory results.
2007-12-08 10:55:57
My classic is working 24/7 from last 3 years.
The temperature computer had to be replace.(under warranty)
Lot of smoke. Bad efficiency, I burn around a cord a week in cold winter. Plan to switch to something more efficient unfortunately hard to find something over 500 KBtu at reasonable price with gas backup. Plan to try to put a draft fan (optional) to see if reduce smoke improving efficiency, but I'm worried about have problem with the firebox :-(
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