Niagara Water Heaters
Filters
Niagara Commercial 100-Gallon Gas Water Heater
Niagara Stealth 50-Gallon Residential Gas
Niagara Water Heaters: full buyer's guide
Niagara Conservation is best known for water-conservation plumbing products — low-flow toilets, showerheads, and faucet aerators — and has extended into water heaters as an efficiency-focused brand. Their water heater line includes both residential and light commercial models, manufactured under contract by major OEMs with Niagara branding emphasizing efficiency metrics.
The Niagara water heater lineup
- Stealth Residential — NS-50 (50-gal gas residential)
- Commercial Gas — NG-75 (75-gal), NG-100 (100-gal)
When Niagara makes sense
Niagara appeals to:
- Buyers prioritizing efficiency / conservation brand alignment
- Commercial applications targeting utility rebates and IECC compliance
- Multi-family and hospitality where conservation messaging matters
- Buyers already using Niagara plumbing fixtures (toilets, showerheads)
Market context
Niagara water heaters are a smaller-share specialty within their broader conservation product line. For mainstream gas tank applications, Rheem, AO Smith, and Bradford White dominate. Niagara competes on the efficiency-and-conservation positioning angle rather than category leadership.
Warranty
- Stealth residential: 6 years tank
- Commercial gas: 5 years tank
- Labor not covered
Where to buy
- Plumbing wholesale (specialty channel)
- Conservation-focused plumbing supply
- niagaraconservation.com
Bottom line
Niagara is the conservation-positioning brand. Residential Stealth and commercial NG series are functional water heaters but compete in narrow niches. For mainstream efficiency, AO Smith Cyclone XHE or Rheem ProTerra (heat pump) win the efficiency conversation. Niagara fits best when brand-alignment with their broader conservation plumbing line matters or specific utility rebate programs accept Niagara.