# Navien NPE-240A2 vs EcoSmart ECO 24: specs and price compared

A sourced, side-by-side comparison of the Navien NPE-240A2 (Navien) and EcoSmart ECO 24 (EcoSmart) among tankless water heaters. EcoSmart ECO 24 is the cheaper of the two at $525.

## Side by side

| Spec | Navien NPE-240A2 | EcoSmart ECO 24 |
| --- | --- | --- |
| US price | $2099 | $525 |
| Brand | Navien | EcoSmart |
| Fuel type | natural-gas | electric |
| Max flow rate gpm | 11.2 | — |
| Max btu per hour | 199900 | — |
| Power input (kW) | — | 24 |
| Uniform energy factor | 0.95 | — |
| Condensing type | condensing | electric |
| Min activation flow gpm | 0.5 | 0.3 |
| Vent type | pvc | none |
| Max temp f | — | 140 |
| Heat exchanger warranty yrs | 15 | — |
| Wi-Fi enabled | No | No |
| Weight (lb) | 77 | 14.25 |

## Key differences

- Fuel type: Navien NPE-240A2 natural-gas vs EcoSmart ECO 24 electric
- Condensing type: Navien NPE-240A2 condensing vs EcoSmart ECO 24 electric
- Min activation flow gpm: Navien NPE-240A2 0.5 vs EcoSmart ECO 24 0.3
- Vent type: Navien NPE-240A2 pvc vs EcoSmart ECO 24 none
- Weight (lb): Navien NPE-240A2 77 vs EcoSmart ECO 24 14.25

## Sources

- Navien NPE-240A2: https://www.navieninc.com/products/npe-240a2 (navieninc.com, verified 2026-07-11)
- EcoSmart ECO 24: https://www.ecosmartus.com/product/ecosmart-ECO-24-24-kW-Electric-Tankless-Water-Heater (ecosmartus.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/tankless-water-heaters/navien-npe-240a2-vs-ecosmart-eco-24/
Cite: Per The Front Desk Review, Navien NPE-240A2 ($2099) vs EcoSmart ECO 24 ($525) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/tankless-water-heaters/navien-npe-240a2-vs-ecosmart-eco-24/
License: CC BY 4.0.