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Navien Tankless Water Heater - NPE-180A2

Navien Tankless Water Heater - NPE-180A2

Top highlights

  • Advanced Condensing Technology: Achieves up to 0.96 UEF for exceptional energy savings
  • ComfortFlow® Technology: Built-in buffer tank virtually eliminates the cold water sandwich effect
  • SmoothStart™ Power Modulation: Prevents power surges and flickering lights during startup
  • Durable Design: Stainless steel heat exchanger and advanced burner system for long-lasting performance
  • Compact Size: Space-saving design fits in small spaces, 77% smaller than traditional tank heaters
  • EZSetup® App: Easy setup, diagnostics, and control via built-in Bluetooth
  • Built-in Recirculation: Comes with an integrated pump for instant hot water without an extra purchase
  • Eco-Friendly: Low NOx emissions and meets the strictest energy efficiency standards

Price Range: $2699-$3499

(4.5)
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Navien NPE-180A2 – The Pinnacle of Comfort and Efficiency
The Navien NPE-180A2 represents the pinnacle of tankless water heating technology. Designed for the modern Canadian home, this premium unit not only provides an endless supply of hot water but also solves common frustrations like temperature fluctuations. With a built-in buffer tank (ComfortFlow®) and a recirculation pump, it delivers instant, consistent hot water to every tap, eliminating the dreaded cold water sandwich. Its compact, wall-mounted design frees up valuable floor space, making it ideal for renovations or new construction where every square foot counts. Experience the ultimate in comfort, control, and energy savings with the NPE-180A2.

  • Performance & Efficiency:

  • UEF (Uniform Energy Factor): Up to 0.96

  • Flow Rate: 6.5 GPM (at 77°F rise)

  • Energy Star® Certified: Most Efficient 2024

  • Venting: 2" PVC, polypropylene, or stainless steel (up to 60' equivalent length)

  • Gas Types: Natural or LP (convertible)

  • Technology & Design:

  • Heat Exchanger: Primary & secondary stainless steel

  • Control: EZSetup® App via built-in Bluetooth

  • Recirculation: Built-in pump with SmartStart™ 3.0 technology

  • Water Connections: 3/4" NPT

  • Dimensions (W x H x D): 17.3" x 27.6" x 11.2"

Professional Installation by Navien Specialists

Upgrading to a Navien NPE-180A2 requires expert installation to ensure peak performance and warranty compliance. At HVAC Ontario, our Navien-certified technicians have extensive experience with advanced condensing technology and integrated recirculation systems. We handle everything from gas line sizing and venting to configuring the built-in pump for optimal efficiency. We stand behind our work with our customer-first guarantees:

  • No Lemons Guarantee: If your heat exchanger fails twice in the first 5 years, we’ll replace the entire unit—free.

  • $250 No Frustration Guarantee: If you’re left without hot water and we can’t get to you within 48 hours, we’ll pay you $250.

  • Next Day or $100 Off: Schedule before noon and we’ll install your Navien system the next day—or we’ll give you $100 off.

Navien Warranty Coverage


  • 15-year warranty on the heat exchanger.

  • 5-year warranty on parts.

  • 1-year free labor warranty from HVAC Market, with optional extensions to 5 or 10 years for additional assurance.

5-Star Google Reviews

Our customers' satisfaction speaks volumes. See why HVAC Ontario is trusted by homeowners everywhere.

After a frustrating 5 days with Enercare and no hot water, HVAC Ontario came to the rescue. They answered my questions with clarity, provided excellent service, and installed a new tankless water heater within 24 hours.

C

Claudia Morrison

HVAC Ontario offered a competitive quote and great service. The technician was punctual and professional, and the installation was completed quickly and cleanly. Highly recommend their team!

A

Ainee Chung

The team at HVAC Ontario is fantastic. They truly care about customer comfort, offer competitive pricing, and provide high-quality equipment and service. I couldn't be more pleased.

S

Shamez Kassam

Abdul and his team were fantastic and professional. I got quotes for a tankless heater from a few places but Abdul's was not only the best, he was the most knowledgeable in the product.

D

Derrick Ho

An amazing level of customer service before, during, and after the install. Highly recommend to anyone considering such work to be done in their home.

D

Denis Dalton

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