The best Rheem water heater reviews

Home » The best Rheem water heater reviews

One of the best and well-accepted water heater companies in the States, Rheem has a variety of models to offer on the market. The Rheem company manufactures heater models in solar, electric, gas, tankless, and hybrid styles. All these different designs are giving us variety to choose from. Let’s take a deep into this company, and all the products available on the US market. We are going to write a Rheem water heater review, so that you as a buyer can choose wisely the best Rheem water heater for your own home.

Recently we have already written about Rheem products: Rheem RTEX-24, Rheem RTEX-18, and Rheem vs AO Smith. We suggest you read those reviews as well.

Now, let us go with the Rheem company products review, and analyze all the designs this company has to offer.

Variety of products

Rheem is the biggest manufacturer of water heaters in North America. Through the 100 years of existence, Rheem has designed countless products and technology innovations. Rheem is the only company in the world that manufactures pool & spa heating, water heating, cooling, heating, and commercial refrigeration units. No matter if you live in a family home or a compact apartment, you’ll certainly find a suitable water heater for your needs.

Rheem factory

In short: 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.

Award-Winning Innovations

The Rheem company is well known for its innovative technologies. Boasting countless award-winning solutions, Rheem delivers advanced comfort, experiences, and savings to customers. All the products on the market are energy efficient, with cutting-edge technologies, and innovative designs and solutions. The company has always been a pioneer in designing some of the most creative and innovative advancements in cooling, heating, and water heating.

SMART PRODUCT OF THE YEAR: Rheem was also proud to announce that it had been selected as the 2020 winner of the “Smart Heating and Cooling Product of the Year” award for its EcoNet® Zoning System for the second consecutive year. “The EcoNet Zoning System goes well beyond standard smart thermostat features, allowing users to add EcoNet Zoning System controls and dampers to enjoy customized comfort throughout your home,” said Chris Day, vice president of product strategy and engineering at Rheem. “Rheem is committed to setting the industry standard in engineering products that not only meet and exceed consumer expectations, but remain contractor-friendly in terms of installation and service. We are extremely proud to have continued to drive innovation in the space, and this award for EcoNet Zoning System represents a validation of that commitment.”

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How to choose the best Rheem model for your home?

Whoever is looking for a Rheem water heater, ask a question “which one to choose”? Rheem has to offer so many models and designs and sometimes it is hard to just select a specific model. Let us explain how to choose the best Rheem model for your home.

How to select the best model from Rheem water heaters? No matter if you’re looking for a tank-type unit or on-demand tankless design, the following buying tips and suggestions should help you choose. We are going to explain popular series, best models, main features, and specs that will help you make the right decision for the maximized savings and comfort.

As mentioned early, the Rheem water heaters have been available to the general public for almost 100 years. Mostly present in the US, the Rheem brand now acts globally. They are offering a comprehensive variety of different water heaters and are known to be of very high quality and very practical as well. Rheem is a good brand, with great products to offer.

Let us explain different Rheem designs and units

We are going to closely look at the storage tank water heaters, tankless water heaters, heat pump units, solar water heaters, and condensing water heaters.

Storage Tank Water Heater

Storage tanks are the most common type of water heater. As the name suggests, these consist of an insulated tank in which water is heated and stored until needed. When warm water is needed, it emerges from a pipe on top of the water heater. There are also temperature and pressure relief valves, installed for security to open if either exceeds a preset level.

Rheem Commercial Hot Water Storage Tank

  • Proprietary steel formulation with two coats of high-temperature porcelain enamel maximizes corrosion resistance
  • Two heavy-duty magnesium anode rods are installed for longer tank life
  • ST120 can pass through a 30-inch opening
  • Circulating line connections and hot outlet are 2-inch NPT
  • Unit capacity is 120 Gallon

Natural gas water heaters typically use less energy than electric water heaters. They also cost less to run (by about half) than electric water heaters. Keep in mind that gas models cost more at the time of purchase.

Rheem Tankless Water Heater

Tankless (on-demand) water heaters don’t store warm water. Rather than storing water, tankless water heaters use powerful heating elements to heat the water as it pas through (when you need the water). They’re more energy-efficient than a storage tank but provide only a limited flow of hot water per minute. Depending on a specific model, its power, and inlet water temperatures, these units can deliver between 3 and 6 GPM (gallons per minute).

They’re the best option for people who typically aren’t drawing water for more than one user at a time. A tankless water heater is a good option if you don’t run a shower and dishwasher simultaneously, two showers at the same time, etc…

Rheem RTG-95DVLP 9.5 GPM Tankless Propane Water Heater

  • Propane Tankless Water Heater
  • Direct Vent Indoor
  • 9.5 gal/min. at 35-Degree Rise
  • Delivers with a UMC-117 remote control
  • Low Nox Version

Check for Rheem RTEX-18 18kW 240V Electric Tankless Water Heater

Tankless models come in two different designs, a gas tankless water heater and an electric tankless water heater. We could say that a tankless water heater is more appropriate for homes that use natural gas to heat the water. An electric model might require an expensive upgrade of the home’s electrical capacity.

Heat Pump Rheem Water Heater

If we talk about energy saving, a heat pump water heater is much more appropriate than a classical electric water heater. These units work in a way that heat is captured from the air and transferred to the water. They use about 60 percent less energy than standard electric water heaters. A heat pump water heater costs more than electric models, but the installation is similar. This means that payback time is short.

NOTE: Heat pump water heater units don’t work well in very cold spaces. They need to be placed where the surrounding temperature stays about 40° F to 90° F.

One more thing to explain: because the heat pump is on top, a heat pump (hybrid) water heater needs as much as 7 feet of clearance from floor to ceiling. This unit needs up to 1,000 cubic feet of uncooled space to capture enough heat from the air. A nearby drain to discharge the condensate is needed as well.

Solar Water Heater

A solar water heater should be installed on the roof. This unit works in a way that a specially designed cell absorbs the sun’s heat and transfers it to liquid media. Instead of using water, inside this heater, an antifreeze-like fluid circulates in a closed-loop system that runs to the water tank, transferring heat to the water we use later.

These units deliver the best savings in the summertime when we have the sunniest days. Solar water heater models are appropriate for warm, sunny regions. Savings are smaller on cold and cloudy days. The solar water heater is not so attractive in regions with cloudy days, without high day temperatures. Still, you can use them because some models are equipped with a backup system that helps when needed.

In short explanation: How does solar water heater work?

Rheem systems circulate water through solar collectors where it is heated by the sun.

The sun’s thermal energy heats the antifreeze fluid in the solar collectors, after which fluid passes through a heat exchanger in the storage tank.

In the storage tank heat transfers to the water.

Rheem solar water heater

Condensing Water Heater

Let’s explain what is a condensing water heater, and how does it work? This type of water heater is an option if you heat with gas, where storage capacity need exceeds 55 gallons at a time.

Condensing water heater has a tank like a conventional water heater, with coils inside that absorb the heat from the exhaust gases. These waste gases travel through the base of the unit, exchanging the heat with the coils inside. Water travels through those coils and warms up.

A draft-inducing fan pushes air and burning fuel into a sealed combustion chamber inside the tank. As the fuel burns, the combustion gas is exhausted through a secondary heat exchanger, a coiled steel tube submerged inside the tank. That is how a condensing water heater heats the water.

Review of Rheem water heaters

Rheem water heaters company has a good presence in the States, carrying various types and models for almost any home size. There is a lot to choose from. People can choose the water heater type, design, and power output.

In the US market, by analyzing customers’ demands, we know that the tank-type is the most popular type. In this category, Rheem has a variety to choose from. Depending on your needs and preferences, you can buy gas, electric, or solar-powered model.

The second most popular models are tankless water heaters. These are getting more in popularity due to their small size, on-demand heating, and endless hot water supply. Rheem has a few quite good units you can choose from. They are all good, and the choice should be based on your hot water demands. In the other words, you should buy a model that has the ability to answer those demands.