Best Niagara toilets 2026 — picks by use case
Best for water savings flagship
Pick: Niagara Stealth Sabre ($240-$340)
The flagship Stealth. Vacuum-assist trapway + 0.95 GPF (below WaterSense 1.28 standard). Highest-efficiency 0.95 GPF available in US residential.
Best for WaterSense Most Efficient dual-flush
Pick: Niagara Stealth Dual-Flush ($290-$390)
0.95/0.5 GPF dual-flush — effective ~0.65 GPF. Lowest effective GPF in US residential. Top-tier WaterSense Most Efficient rebate eligibility.
Best for powder room
Pick: Niagara Steaful Round-Front ($150-$200)
Round-front 1.28 GPF with vacuum-assist for tight powder rooms.
Best for one-piece
Pick: Niagara One ($380-$480)
One-piece elongated with vacuum-assist trapway + Comfort Height.
Best for compact bathrooms
Pick: Niagara Compact ($170-$230)
Compact-elongated bowl with vacuum-assist trapway. Tight-bathroom water savings.
Why Niagara wins on water savings
- 0.95 GPF Stealth Sabre — 35% lower than WaterSense 1.28 threshold
- 0.95/0.5 Stealth Dual-Flush — lowest effective GPF in US market
- Vacuum-assist trapway compensates for low GPF by maintaining bowl evacuation through suction
- Best utility rebate eligibility tier (CA $200-$250, AZ $200, TX $200-$300, NV $200-$250)
Niagara lineup at a glance
| Use case | Pick | Price (~) |
|---|---|---|
| Water savings flagship | Stealth Sabre 0.95 GPF | $240-$340 |
| Dual-flush Most Efficient | Stealth Dual-Flush | $290-$390 |
| Powder room | Steaful Round-Front | $150-$200 |
| One-piece | Niagara One | $380-$480 |
| Compact | Niagara Compact | $170-$230 |