Premium Water Heater
NPE-A2 Advanced Condensing Tankless Water Heater
Model NPE-180A2 / NPE-210A2 +1
ComfortFlow built-in buffer tank and recirculation pump. Dual stainless steel heat exchangers.
- UEF
- 0.95
- Max flow
- Up to 11.2 GPM
Authorized Navien Dealer
Navien Water Heaters in Hamilton & Niagara
3 lines from Mid-range to Premium
Lancaster Heating and Cooling sells, installs and services Navien water heaters for homes and businesses across Hamilton, Halton and Niagara. Below are all 3 lines we carry, from Mid-range to Premium, with the manufacturer's own ratings. Every system is sized for your home and installed by our licensed technicians.
Premium Navien water heaters
Each manufacturer's top line: typically variable-speed or modulating operation, the highest efficiency ratings and the quietest, most even comfort.
- Premium
Mid-range Navien water heaters
Enhanced efficiency and comfort features, often two-stage operation, at a moderate price.
Mid-range Water Heater
NPE-S2 Standard Condensing Tankless Water Heater
Model NPE-150S2 / NPE-180S2 +2
Up to 0.96 UEF and up to 15:1 turndown. Dual stainless steel heat exchangers.
- UEF
- 0.93
- Max flow
- Up to 11.2 GPM
More options
Water Heater
NWP500 Heat Pump Water Heater
Model NWP500-50 / NWP500-65 +1
Up to 4.05 UEF. Stainless steel tank with no anode rod required.
- Tank
- Up to 80 gal
- First hour
- 65 gal
Compare Navien water heaters
| Line | Tier | UEF | Max flow |
|---|---|---|---|
| NPE-A2 Advanced Condensing Tankless Water Heater | Premium | 0.95 | Up to 11.2 GPM |
| NPE-S2 Standard Condensing Tankless Water Heater | Mid-range | 0.93 | Up to 11.2 GPM |
| NWP500 Heat Pump Water Heater | — | — | — |
Manufacturer-published ratings. Efficiency varies by size and matched equipment.
Navien installation and service
Buying guides
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Water Heater Replacement Cost in Ontario (2026)
Typical 2026 installed prices for tank, power vent, tankless and heat pump water heaters in Ontario, what changes the price, buying vs. renting, and rebates.
Our work
Recent Navien water heater projects
Residential Water Heater Installation
Navien tankless water heater installed
A Navien tankless water heater installed with a storage tank, new copper piping and an expansion tank.
Navien
See our work
Questions about Navien water heaters
Financing for new home systems
Spread the cost with monthly payments
A new furnace, air conditioner, heat pump or water heater doesn't have to wait. Start saving on energy now and pay over time.
- Get your free, itemized quote
- Apply online with Financeit
- Choose a monthly plan that fits
Talk to a Lancaster HVAC expert
Licensed, certified technicians serving Hamilton, Niagara and surrounding areas since 1955. Emergency service available 24/7.