Navien NCB-E Combination Boilers for Residential and Commercial Applications

boiler installation in GTAAs an innovator in residential and commercial boiler system design and manufacturing, Navien is proud to present their line of NCB-E high performance and high-efficiency condensing combi-boiler models.

About NCB-E Condensing Combi-Boilers

The Navien NCB-E condensing combi-boiler is the first triple-threat high-efficiency boiler system to come onto the market. Its space, water, and energy-efficient capabilities help residential and commercial property owners get the most bang for their buck when it comes to providing consistent hot water for properties of any size and layout.

Navien NCB-E condensing combi-boilers take up approximately 80% less space than standard tank water and standing boilers, which makes boiler installation, repair, and maintenance a lot easier. Ideal for supplying hot water to larger, multi-storey homes, the NCB-E condensing combi-boilers provide enough hydronic heat to allow you to run multiple hot water sources simultaneously without cold spots in your hot water stream.

Noteworthy Features of NCB-E Combination Boilers

  • Dual inputs of up to 120k BTU/H for heating and 199k BTU/H for DHW
  • PVC venting
  • 4.5 GPM@77° temperature rise for domestic hot water
  • Low gas pressure operation
  • Turn down ratio of 6:1 for heating and 11:1 for DHW
  • Uses existing ½" gas piping
  • Dual stainless steel heat exchangers
  • Space-saving design
  • Field gas convertibility
  • Linkability

NCB-E Combi-Boiler Applications

NCB-E condensing combi-boiler applications include:

  • Air handler
  • Hydronic heating
  • Hydronic fan coil
  • Baseboard radiator
  • Radiant floor

NCB-E Combination Boiler Makes and Models

Navien has designed and manufactured a unique line of NCB-E combination boiler makes and models that all have unique features that are designed to deliver high-efficiency and consistent hot water applications based on the size and layout of your home.


  • Max HTG Input: 60,000 BTU/H
  • Max DHW Input: 120,000 BTU/H
  • Indoor wall-hung
  • Residential


  • Max HTG Input: 80,000 BTU/H
  • Max DHW Input: 150,000 BTU/H
  • Indoor wall-hung
  • Residential


  • Max HTG Input: 100,000 BTU/H
  • Max DHW Input: 80,000 BTU/H
  • Indoor wall-hung
  • Residential


  • Max HTG Input: 120,000 BTU/H
  • Max DHW Input: 199,900 BTU/H
  • Indoor wall-hung
  • Residential

Credits and Rebates

Navien’s line of high-efficiency and high-performance NCB-E combination boilers all come with the coveted Energy Star labels. Only appliances that operate with significant high-efficiency and energy-savings are given the Energy Star label. It’s a signifier that you’re getting top-of-the-line appliances that are guaranteed to reduce your household’s carbon footprint and lower your energy and water bills at the same time.

All Energy Star-recognized appliance owners are eligible to receive utility rebates. The value of the rebate may vary based on location and the specific utility service provider in your area. Contact your local utility company to inquire about your credit and rebate eligibility.

Navien NCB-E Combination Boiler Installation and Repair in Hamilton and surrounding areas

Professional, highly skilled, and reliable boiler installation and repair services in Hamilton and surrounding areas can be hard to come by these days. If you find yourself constantly Googling “boiler specialist near me” to install your high-efficiency Navien NCB-E combi-boiler system for you, then you’re not alone.

MDM Mechanical is here to answer your call and provide top-quality residential boiler installation, repair, and maintenance services across Hamilton. Contact us today to book an appointment.

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