Some Americans are now going outside to turn up their heat. They're using outdoor wood furnaces that pipe hot-water heat into their homes. But neighbors say the units are a health hazard. Federal ...

Interest in wood-fired hydronic heating systems continues to rise along with the price of conventional fuel. One heat source used for such systems, especially in rural areas of North America, is the ...

TOWER - They say Iron Range Finns are usually a reserved bunch, but Daryl Lamppa talks about his Kuuma wood burning furnaces with the zeal of a traveling street preacher selling the Good Book. Lamppa ...

Wood smoke contains dust and soot particulates that include carcinogens, and federal regulators are working with furnace manufacturers to make the next generation of outdoor furnaces much cleaner. U.S ...