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Specifications – Navien NPE-150S2 Tankless Water Heater
Make: Navien
Model: NPE-150S2
Energy Factor: 93%
Maximum Flow Rate: 6.8 GPM
Maximum Heating Capacity: 120,000 BTU
Energy Star Certified: Yes
Dimensions: 17.3″ W × 27.4″ H × 13.2″ D
Technical Information
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Compact, high-efficiency tankless water heater
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Provides continuous hot water on demand
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Engineered for energy savings and reliable operation
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Suitable for residential applications with moderate demand
Warranty
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Purchase Warranty: 5 Years on Parts + 15 Years on Heat Exchanger + 1 Year Labour Coverage
The Navien Premium NPE-150S2 Condensing Tankless Water Heater is a high-efficiency on-demand hot water solution designed for modern homes seeking continuous hot water, energy savings, and space-saving installation. Engineered with advanced condensing technology and built-in durability, this model delivers reliable performance for everyday household use and high hot water demand.
With its condensing heat exchanger, the NPE-150S2 captures heat that traditional tank water heaters lose through exhaust, resulting in superior energy efficiency, lower operating costs, and reduced environmental impact. The unit’s compact, wall-mounted design fits easily in tight spaces, freeing up valuable floor area in utility rooms, basements, or closets.
Advanced Condensing Technology for Superior Efficiency:
The Navien NPE-150S2 uses sophisticated condensing operation to extract and use more heat from combustion, resulting in higher energy efficiency than conventional tank water heaters. This helps homeowners reduce monthly utility costs while delivering consistent hot water performance every day.
Continuous On-Demand Hot Water:
Unlike traditional tank systems that run out of hot water, the NPE-150S2 provides continuous, endless hot water whenever required. Its on-demand operation heats water only when needed, eliminating standby heat loss and improving overall energy usage.
Compact, Space-Saving Wall-Mounted Installation:
The NPE-150S2’s slim, wall-mounted design makes it an excellent choice for homes with limited space. It installs easily in utility areas, closets, or basements without occupying valuable floor space, offering flexibility for both new construction and retrofit applications.
Durable Construction for Long-Term Reliability:
Navien is known for dependable water heating systems, and the NPE-150S2 is built with robust components that support long-lasting performance with proper maintenance. Routine flushing and descaling help prevent mineral buildup and maintain peak efficiency over the life of the unit.
Smart Controls and Easy Operation:
This model includes intuitive digital controls that make it easy to adjust temperature settings and monitor system status. The user-friendly interface ensures precise control and efficient management of hot water output.
Ideal for Homes with Higher Hot Water Demand:
For homeowners needing reliable, efficient, and continuous hot water, the Navien Premium NPE-150S2 is an excellent choice. Its advanced efficiency and compact design provide superior comfort and cost savings for residential environments.
Key Features
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Advanced condensing heat exchanger
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Continuous on-demand hot water
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Wall-mounted, space-saving design
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High energy efficiency
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Durable construction for long term use
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Intuitive digital controls
Benefits
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Lower utility bills
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Endless hot water supply
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Saves floor space
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Reliable performance
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Reduced environmental impact
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Easy temperature control
Customer Reviews
29 reviews for Navien Premium NPE-150S2 Condensing Tankless Water Heater
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.
Financing Options Available
Enjoy peace of mind with low monthly payments that make your costs easy to manage without compromising on quality.
Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know exactly what to expect before work begins.
Free Installation Included
Enjoy hassle-free setup with free professional installation completed on every purchase.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, highly reliable, and precise system installations and diagnostic repairs.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage alongside our trusted, comprehensive labor guarantees.
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Professional HVAC Installation & Replacement
Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.
Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA with reliable service and transparent pricing.
Full-Service HVAC Solutions
- Furnace installation & replacement
- Air conditioner installation
- Heat pump systems
- Tankless water heaters
- Boiler systems
- HVAC system upgrades & retrofits
- Complete Commercial HVAC Solutions
- Preventative maintenance & system inspections
Mark L. Peterson –
Installed the Navien Premium NPE-150S2 last month. Hot water is consistent and pressure is good. Jimmy HVAC’s installers were professional and cleaned up after.
Amandeep Kaur –
Good system overall. Took a bit longer to get used to the temperature settings, but once adjusted it works well. Installation team was polite and explained everything clearly.
Robert Chen –
Switched from a tank heater to the Navien NPE-150S2 and noticed lower gas usage already. Pricing from Jimmy HVAC was fair compared to other quotes I received.
Julie Tremblay –
The water heater works as expected, but the app setup wasn’t very intuitive. That said, the unit itself runs quietly and provides steady hot water.
Sara Mahmood –
Hot water is instant now, even with two showers running. The Navien Premium NPE-150S2 feels solid and well built. No complaints so far.
Paul Richardson –
Installation was smooth, but scheduling took an extra day due to parts availability. Once installed, the system works well and water temperature stays consistent.
Kevin O’Donnell –
Overall a good experience with Jimmy HVAC. Not the cheapest option, but the workmanship and system quality made it worth it.
Lina Kowalski –
Works well for daily use. Took a bit of time to understand maintenance requirements, but support was helpful when I called
Jason Patel –
Had the Navien Premium NPE-150S2 Condensing Tankless Water Heater installed by Jimmy HVAC. Job was done faster than expected and everything works as promised.
Robert Sinclair –
Product performance is good, but communication could be better. Had to follow up once for scheduling. End result was fine.
Sophia Nguyen –
Very happy with the service. The installers were polite and efficient. The Navien unit starts heating almost instantly.
Kevin O’Rourke –
Jimmy HVAC offered a reasonable price and didn’t try to upsell. Install was done in one visit and everything passed inspection.
Hassan Ali –
Switched from a tank system to the NPE-150S2 and the difference is noticeable. Endless hot water and lower gas usage so far. Install team knew what they were doing.
Amanda Collins –
The water heater works well, but the install window was later than expected. Service itself was professional once they arrived.
Marc Tremblay –
Solid unit so far. The Navien tankless heater heats fast and doesn’t take much space. Jimmy HVAC explained everything clearly during install.
Priya Shah –
Good experience overall. Installation was quick and pricing was fair compared to other quotes I got. Took a bit of time to get the paperwork, but no major issues.
Daniel McLeod –
Installed the Navien Premium NPE-150S2 last month. Hot water is consistent and the unit is quiet. Jimmy HVAC’s installers were on time and cleaned up after.
Yasmine Haddad –
Overall satisfied. Installation team was on time and left the area clean.
Kevin Wallace –
Not the cheapest option, but the pricing was clearly explained upfront.
Sofia Alvarez –
The Navien Premium NPE-150S2 provides steady hot water even during busy mornings.
Matthew O’Brien –
Unit works as expected. Took a few days to schedule the install.
Rina Patel –
Jimmy HVAC didn’t rush the job. Everything was tested before they left.
Paul Desjardins –
Install went smoothly, though the explanation could’ve been a bit more detailed.
Natalie Chen –
Switched from a tank heater to the NPE-150S2. Water is consistent and the unit is fairly quiet.
Ahmed Farooq –
Service was fast once booked. Unit handles two showers without temperature changes.
Laura McKenzie –
Pricing was reasonable compared to other quotes. Install took most of the afternoon but was done cleanly.
Brandon Singh –
The Navien NPE-150S2 works well, but there’s a short delay to the upstairs bathroom. Still acceptable.
Amélie Rousseau –
The installation team from Jimmy HVAC was polite and explained the system before leaving.
Colin Matthews –
Hot water comes through quickly. No problems so far.