Tankless water heaters are slowly taking over the industry from traditional water heating and storage models. The ‘on-demand’ feature in tankless heaters fuels their popularity due to excellent energy savings. With the cost of energy on the rise, this gas or electric options offer a continuous supply of hot water with greater energy efficiency.

The Rheem RTEX 13 Electric Tankless Water Heater

The Rheem RTEX 13 is an electric heater from Rheem Manufacturing Company that offers instantaneous hot water. The self-modulating water heater provides an endless stream of hot water at 3.17 gallons per minute. The small-sized equipment makes it efficient for single-point use in small studio apartments, homes, or even RVs. The Rheem tankless water heater only heats up when you open the tap. You don’t have to preheat gallons and gallons of water for your shower. When you open the faucet, the flow turns on the copper immersion heating elements that provide a steady stream of hot water. Here are five of the benefits of purchasing the Rheem RTEX 13 electric tankless water heater:

Saves on Energy

Water heating accounts for 18% of the average energy use in all American homes. Hot water tanks consume lots of electricity as they continuously run to provide a steady hot water supply. The U.S. Department of Energy indicates that you can save up to 26% of your energy costs when you make the switch to tankless heaters. The Rheem RTEX 13 electric tankless water heater has a 99.8% energy efficiency. Some users say they save up to 30% on their electricity bills through the instantaneous heating model.

Thermostatic Digital Control

The heater has external digital controls for accurate setting of temperature. The single dial control makes it easy to adjust the heat of the water to your liking. The model allows increments of 1°F, allowing precise temperature settings between 80°F and 140°F. The stylish digital interface makes it easy even for your younger family members to set the temperature.


Hot water tanks occupy vast spaces within your home. You have set them up in the garage or the basement for them to fit. Additionally, you always have to worry about gas pipes and home ventilation. The Rheem RTEX 13 has a smaller footprint standing at 4*9*13 inches. The small size allows for installation on your wall next to your point of use. You can easily fit them under the sink, in the closet, or just next to your bathtub.

Easy Installations

The Rheem tankless water heater is lightweight at 8.5 pounds that makes it easy to put up. The product comes with an installation manual that will guide you as you thread the heater to the wall. A professional plumber can have it installed in less than an hour.

Constant Hot Water Supply

A burst water heater on your tank can be frustrating. The Rhee RTEX 13 electrical tankless water heater works ‘on-demand,’ providing hot water only as and when needed. You don’t have to wait a minute or two before the hot water flows through the pipes.

In Conclusion

Tankless water heaters offer convenience and an endless supply of hot water for all of your needs. Are you looking for a solution for hot water problems? Miami Water Heater can provide a long-term solution through the Rheem RTEX 13 electric tankless water heater.