Rinnai Corporation is a Japanese multinational company based in Nagoya, Japan, that manufactures gas appliances, including energy-efficient tankless water heaters, home heating appliances, kitchen appliances, gas clothes dryers and commercial-use equipment such as rice cookers, grillers, fryers and salamanders.
Rinnai tankless gas water heater heats water as it goes through the pipes, giving you endless hot water for your home or business. Plus, with technology that operates only when hot water is needed, ultra-efficient heating coils, no pilot light and no storage tank, you save on energy and utility costs.
Rinnai is a well-known brand in the indoor gas tankless water heater industry. They manufacture high-quality propane and gas-powered instantaneous water heaters for both residential and commercial facilities. Their products feature multiple venting options and come in sleek, compact designs. For example, the Rinnai RUC98iN Ultra Series is a small 10-inch thick unit that weighs 6.7 pounds. It has an elegant gunmetal gray exterior and control buttons complete with a digital display on the front panel. If you are looking for a good gas or propane tankless water heater for residential or commercial applications, then the Rinnai series is a great option.
Rheem Manufacturing Company is an American privately held manufacturer that produces residential and commercial water heaters and boilers, as well as heating, ventilating and air conditioning (HVAC) equipment. The company is one of the largest manufacturers of both water heating and HVAC equipment in the United States.
Enjoy the comfort and convenience of continuous hot water on demand with a Rheem tankless water heater. Their whole-home tankless water heaters, available in natural gas, propane and electric models, are great for homes with busy families, homes with luxury bathrooms and vacation homes, while the point-of-use electric tankless water heaters are ideal for a single faucet or shower. Whether you’re looking to provide hot water to your whole home; a single location or for additions, garages, outbuildings or even RVs, Rheem has a full range of options. So you can find the best tankless water heater for your needs.
Rheem is another leading brand of tankless water heaters specializing in gas and electric powered units. One of their well-known products is the Rheem RTE 13 which is a compact unit weighing just 8.5 pounds. It has a width of 7.25 inches and is 10 inches tall. The unit has a gray metal box and can easily be installed without getting it out of the box. Users can easily control temperature from a convenient front panel with green and red LED indicators. It has a thermostat dial with nine settings. The RTE 13 can be used to provide hot water in both residential and commercial properties. It is, however, most suitable as a point-of-use tankless water heater. It is energy efficient but not designed for cold climates.
Since 2006, Navien, Inc. has become one of the fastest growing companies in the home comfort sector in North America and is now a leader in condensing technology, providing condensing tankless water heaters, combi-boilers, and boilers.* Navien's products possess state-of-the-art technology, high efficiency and reliable quality. Navien tankless water heaters feature advanced condensing technology.
Navien Premium Efficiency condensing tankless water heaters are the #1 selling high efficiency condensing tankless water heaters in North America. The NPE series offers industry leading efficiency up to 0.97 UEF to keep your utility bills low, endless hot water so you never have a cold shower, and exclusive ComfortFlow technology with built in recirculation that eliminates any cold water sandwich (NPE-A).
They have a simple design and are easy to install. They can be incorporated into an existing gas line, which eliminates the need to install an additional gas supply line when installing the unit. They use 2-inch PVC venting which is more affordable and easier to install. Key features and benefits include seamless installation using existing ½ inch gas line, premium condensing, help to eliminate cold water sandwich problems, have a built-in recirculation pump that saves you money, two stainless steel heat exchangers, and ultra-low emission of NOX among others. If you are looking for a less expensive to install tankless water heater, Navien is your best option.
Bosch, is a German multinational engineering and technology company. Bosch's core operating areas are spread across four business sectors: mobility (hardware and software), consumer goods (including household appliances and power tools), industrial technology (including drive and control) and energy and building technology.
Bosch tankless water heaters work “on-demand” to produce hot water when needed, for as long as needed. There is no storage tank, so you never have to worry about running out of hot water or waiting for the tank to recover, even during peak use. A tank style hot water heater keeps water hot 24 hours a day, whether it is needed or not. Bosch tankless water heaters produce hot water only when needed, reducing needless energy consumption and therefore cutting water heating costs by up to 50%.
Bosch instantaneous water heaters deliver optimal performance, energy efficiency, and are environmentally friendly. For instance, the Bosch Greentherm Model C 1050 ES comes with an Energy factor (EF) of 0.95. It has an ENERGY STAR rating too. The unit provides other benefits such as an automatic fully modulating bypass that ensures temperature stability, an inlet water filter, new venting options, and a water heater mobile app where you can easily download technical documents. It is a perfect tankless water heating unit for smaller households that require a maximum of two hot water outlets running at the same time.
EcoSmart’s main focus is the area of water heating. It’s thheir goal to save the consumer money since energy consumed to heat water can account for up to 25% of the average energy bill due to outdated methods such as tank storage. EcoSmart’s patented self-modulating technology can save customers up to 50% on their water heating bill. They come with Patented Self Modulating technology which gives you up to 50% savings on your energy bills compared to traditional tank water heating units. The brand is a leading name in green energy products and innovation.
EcoSmart electric tankless water heaters are 90% smaller than a tank type heater, allowing you to place them almost anywhere. Because they are so small, they can be installed at the point of use, so you don’t have to waste water waiting for your water to heat up.
The units have a high energy efficiency rating of 99.8 percent. Other key features include digital temperature settings that you only need to set once to get a constant supply of hot water at your preferred temperature every day. The brand provides excellent customer care and limited lifetime warranty for their tankless water heating products.