If you are looking for a similar product for comparison purposes, the EcoSmart ECO 18 is on par with this unit. The ECO 18 is a bit pricier but has a bigger flow rate of 3.51 GPM compared to the ECOTOUCH model which is 2.66 GPM.
Both models are also Energy Star certified, meaning they are energy efficient and can help you save on your energy bills. Additionally, both models come with digital temperature control and a digital display, so you can easily adjust the temperature of your water and monitor the performance of your water heater. Finally, they are designed to last for many years with minimal maintenance.
Both are fantastic units and the choice really comes down to budget and installation / energy requirements. We would recommend consulting with a plumber and electrician if you are unsure of the fitting types and energy output your house can provide.
If you are looking for a more powerful heater that can service a larger household, the EcoSmart 27 would be the perfect fit with a max flow rate of 6.5 GPM.