Oil & Wood Boilers

Browse our selection of efficient residential oil & wood boilers.

WF Series

NTI WF Series is the most efficient, compact wood boiler on the market.

Triton (Discontinued)

High efficiency hot water oil-fired heating boiler.


Our most trusted steel oil boiler for over 50 years.

Odyssey (Discontinued)

State-of-the-art cast iron oil boiler.