Emergency Heating and Cooling Repair

Navien Tankless Water Heaters: Endless Amounts of Hot Water

Navien tankless water heaters provide an unlimited amount of hot water at a steady temperature, whenever you need it, for as long as you need it. You truly get an endless supply of hot water!


How It Works

Designed for simplicity, from the inside out. The NPE is a fully integrated system, designed to provide a high-performance hot water experience.



  1. Fan
  2. Premix Burner
  3. Dual Venturi System
  4. Primary Stainless Steel Heat Exchanger
  5. Secondary (Condensing) Stainless Steel Heat Exchanger
  6. Buffer Tank
  7. Flow Sensor
  8. Condensate Collector
  9. Air Pressure Sensor
  10. Negative Pressure Gas Valve
  11. Main PCB
  12. Recirculation Pump
  13. Water Adjustment Valve
  14. Integrated Display and Control


The NPE Series gas system, which features a negative pressure gas valve, Dual Venturi, and High Speed Fan can use a home’s existing 1/2″ gas line, for lengths up to 24′. It draws in all the BTUs required to achieve maximum burn depending on the model from 150K-199K Btus.


2″ PVC Venting
The NPE’s newly designed intake system, featuring an Air Pressure Switch (APS) and High Speed Fan, combined with Navien’s condensing technology allows for 2? PVC venting up to 60′, often letting the installer run a flue through the existing chase without requiring an additional penetration to be made.


Field Gas Convertibility
Navien’s NPE Series features a simplified gas system, allowing all NPE Series models to be converted from NG to LP in the field in less than 20 minutes. The revolutionary design of its easily accessible dual venturi system makes the conversion as simple as removing some screws, replacing the gas orifice and adjusting the dip switches.


ComfortFlow™ Technology
Eliminates “cold-water sandwiches” and issues of minimum flow rate. An insulated internal buffer tank and recirculation pump delivers hot water much faster.


Condensing Technology

Navien Condensing Technology: Efficient, sustainable and easy for you.

navien-condensing-technologyNavien’s condensing technology simultaneously delivers cooled exhaust gas and high-performance, contributing to a solution that uses less energy, makes fewer emissions and saves time on your jobs.


0.95EF – How’s that for Efficient?
Condensing technology effectively utilizes heat that would otherwise be lost, for an unmatched 98% heating efficiency. Its energy consumption and utility bill savings surpass both conventional tank water heaters and non-condensing tankless systems alike.


Low NOx Emissions – Better for the Environment

The NPE’s Premix Metal Fiber Burner is engineered to maintain a consistent air and gas mixture*. This improves combustion efficiency, leading to low NOx and CO2 emissions and a minimized environmental impact. It complies with SCAQMD 1146.2 strict NOx emissions standards.

*20ppm at 3% O2, dry.


PVC Venting – Saves Installation Time
By re-capturing heat exhaust before it leaves the system and using it to pre-heat incoming water, the NPE simultaneously produces more hot water than other systems and low exhaust gas temperature. PVC, CPVC and Polypropylene vent systems can be safely used, significantly reducing installation cost and hassle.


Learn More About Tankless Water Heaters

Interested in learning more about Navien tankless water heaters? You can contact us by calling (970) 686-6086 or fill in the contact form below. We look forward to hearing from you.

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