ASHBURNHAM — A warm and comparatively comfortable winter may await students at the Overlook Middle School in Ashburnham, as the district nears the final steps in installing biomass boilers to heat the ...

Across many industries, biomass boilers are being adopted to replace or complement coal and heavy-oil systems, providing renewable heat and helping companies meet tightening environmental policies.

Workers have been busy at the Boulder County Jail framing a building that will house the facility’s new biomass heating system. The boiler, when it’s up and running later this winter, will burn ...

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