Why buyers end up in Navien
- Top-tier efficiency: best model reaches UEF 4.05
- Smart-home ready: 4 models with Wi-Fi control
- Strong warranty: up to 10-year tank coverage
- Published noise data: 45 dB on quietest model
- Has partial U.S. manufacturing
Market position
Major manufacturer of gas tankless water heaters and wall-hung boilers in North America. Known for condensing technology and competitive pricing.
Parent company: KyungDong Navien Co., Ltd. (KD Navien), part of KD One holding company
Known for: Condensing technology pioneer in North America. Dominant in tankless and combi-boiler segments. Strong wholesale/contractor relationships.
Efficiency range
Across 5 models with published UEF ratings.
Models
Heat Pump Models
| Model | Brand | UEF | FHR | Height | Est. Cost/yr |
|---|---|---|---|---|---|
| NWP500S080AUMB | Navien | 4.05 | 85 gal | 71.6" | ~$218 |
| NWP500S065AUMB | Navien | 4.03 | 80 gal | 63" | ~$215 |
| NWP500S050AUMB | Navien | 3.85 | 65 gal | 63" | ~$145 |
● Best in group
Condensing Tankless Models
| Model | Brand | UEF | Max GPM | BTU Input | Est. Cost/yr |
|---|---|---|---|---|---|
| NPE-210S2 | Navien | 0.96 | 5.3 | 180,000 | ~$239 |
| NPE-240S2 | Navien | 0.96 | 5.8 | 199,000 | ~$239 |
● Best in group
Manufacturing
partial (Virginia plant for some products; most imported from South Korea)
- James City County, Virginia ($77.5 million facility, first US manufacturing plant)
Where to buy
Channels: Wholesale, Contractor
Sold through select network of wholesale distributors and installed by professional contractors. Three training centers in North America (California, New Jersey, Ontario).
Technology
- condensing technology
- ComfortFlow internal recirculation
- NaviTech stainless steel heat exchangers
- Navien Cascade System for multi-unit linking
Product lines
Condensing Tankless
Non Condensing Tankless
Combi Boilers
Boilers
Heat Pump
Warranty
Industry-leading 15-year heat exchanger warranty on condensing tankless is among the best available