Endless hot water, lower energy bills, and a smarter home — genuine Navien, delivered by SupplyTanks.
From endless-flow tankless heaters to whole-home combi-boilers.
Genuine Navien condensing units — endless hot water, maximum efficiency.
Compact enough to tuck into a closet — and installed right by the pros.
SupplyTanks delivers genuine Navien — now the #1 manufacturer of all gas tankless water heaters (condensing and non-condensing) in North America.*
*According to BRG market data Learn More
Navien commercial systems are built for everyday use in occupied spaces where efficiency, quiet operation, and dependable uptime are priorities — including:
Tell us your home size and demand — we match the perfect BTU.
Secure checkout, free shipping, ships in 1–2 business days.
Compact wall-hung design fits anywhere. We guide your installer.
Endless hot water, lower bills, and a smarter home for years.
| Feature | SupplyTanks Tankless | Traditional Tank |
|---|---|---|
| Hot water supply | Endless, on demand | Limited by tank size |
| Energy efficiency | Up to 0.96 UEF | 0.55–0.65 UEF |
| Space required | Compact wall-hung | Large floor tank |
| Lifespan | 20+ years | 8–12 years |
| Warranty | Up to 15 years | 6 years typical |
"Replaced our 12-year-old tank with the NPE-240A2. Three showers running at once and still piping hot. Energy bill dropped noticeably."
"SupplyTanks helped me size the right combi-boiler and shipped it free in two days. Genuine Navien, sealed in the box. Couldn't be happier."
"The compact design freed up our whole utility closet. Install was simple and support answered every question. Highly recommend."
Find your perfect Navien unit today — free shipping, expert support, up to 15-year warranty.