GF200 Combi Furnace features


GF200 Combi Furnace is an all-in-one appliance that allows easier set-up, less construction works and significant space saving.



NTI Green Furnace® technology enables space heating and hot water to work efficiently, simultaneously and automatically managing priorities.


All components of GF200 Combi Furnace are designed and selected to ensure consistent performance over time.


GF200 is a Combi Furnace which can be installed much easier and quicker than conventional heating systems.

Great flexibility

One size fits all, pairing with all air conditioners and heat pumps.

Innovative intelligence

Green Furnace® Technology: smart and integrated operation for hot water and space heating at once.

GF200 Combi Furnace front view
Total comfort

Grants ultra-smooth and quiet operation in all conditions.

High performance

Boasts best-in-class energy efficiency: 97% AFUE/EF

Energy Saving

Ensures reduced temperature swings and less fuel consumption than conventional furnaces.


Discover all the details of the new GF200 Combi Furnace

All the power you need delivered efficiently

GF200 Combi Furnace: easy installation

Easy Installation

  • One electrical, gas and vent connection only
  • Left and right water and gas connections
  • 4 different access points for the return air
GF200 Combi Furnace: Smart Efficiency

Smart Efficiency

  • Enclosed air flow path to reduce losses
  • Low NOx emissions
  • Innovative Green Furnace® Technology for efficiency and energy savings (97% afue/ef)
  • 10-stage modulation providing extra smooth heat delivery
  • Extremely quiet operation
GF200 Combi Furnace: ECM Motor and new generation blower

Superior Quality

  • Internal recirculation and buffer tank for quick delivery
  • New generation ECM motor and blower for whisper quite performance
  • Stainless steel heat exchangers for maximum durability and performance

About NTI

NTI manufactures only top-quality hydronic heating equipment. Acknowledged as a leader in research and product development, NTI is a pioneer in developing the most advanced and efficient home heating equipment, including gas boilers, water heaters, combi furnances, hot water tanks and solid fuel boilers.

All NTI products are designed in accordance with the most advanced guidelines, industry codes and are developed using state-of-the-art design and testing techniques.

The on-site laboratory and training facilities at our head office in Saint John, New Brunswick ensure to maintain NTI commitment to enduring quality, customer oriented product development and superior contractor support.

Why GF200 Combi Furnace?

Equipped with Green Furnace® Technology, GF200 Combi Furnace is able to supply both domestic hot water and forced air for your home. This combi furnace boasts outstanding performance and offers unparalleled advantages in terms of easy and quick installation, smart efficiency and top-quality components.


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