Products

Category // Wood Boiler

WF Series

NTI wood-fired boilers are the most efficient, compact wood boilers on the market.

  • Reduced standby losses
  • Large fuel passages
  • Low Stack temperatures
  • Compact Sizes
  • Thermostat heat control
Efficiency

After considerable research and testing, we are proud to produce the “WF” series of add-on wood-fired boilers. NTI wood-fired boilers are the most efficient, compact wood boilers on the market.

Dependibility

You will enjoy years of trouble-free, comfortable, even heat from our “WF” series of add-on wood-fired boilers. Our customer service hotline and extended warranties maintain our commitment to you. Only from NTI.

Economical

The “WF” series of add-on wood-fired boilers has been the choice of consumers due to its economical operating cost and ease of servicing and cleaning. You may buy more expensive wood boilers, but you cannot buy better.

Product Registration

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Sales Brochure Download
Installation & Operations Manual Download

The Future in Heating Technology and Home

Acknowledged as a leader in research and product development, NTI is a pioneer in developing the most advanced and efficient home heating equipment.