Rheem Water Heater Reviews

Last Updated
Rheem Water Heater Reviews

Are you looking for high-quality water heaters that can support instant hot water showers in up to three bathrooms, both down and upstairs? Rheem is one of the most after-sought water heater brands that give homeowners their money’s value. 

We took time to test and review the best Rheem water heater options in the market. Among the three reviewed categories, we found the best gas water heater products to be the best option thanks to innovative safety features that include remote control through EcoNet™ Wi-Fi kit.

Our Rheem Water Heater Reviews considers several consumer considerations, including eco-friendly properties, energy consumption, and price-quality ratio. We test all the products ourselves before recommending them to you. We also leverage expert input, analysis, and positive reviews from other buyers to shortlist the products that make it to our trial list. 

We get all the specification information from the original manufacturer’s website to ensure that we don’t misinform the readers who trust us before making informed buying decisions. 

We prepared one of the most resourceful Rheem water heater reviews to guide you in the buying process.

Rheem Water Heater Brand Information

Buyers are aware of their role in climate change and promoting a greener world. One of the main reasons we love the Rheem brand is its zero-waste initiative in energy and water savings. Most water heaters will help you conserve up to 12,000 gallons of water per year while producing zero or minimal emissions.

Rheem brand embraces modern technology, and you can see this in all models manufactured since 2010. Nearly all our reviewed models support the EcoNet™ Wi-Fi kit for remote control. That means you can monitor water usage and temperature controls of your heater even when at work. You can also activate the vacation mode for energy saving.

Rheem Water Heater Reviews

Best Rheem Gas Water Heaters

The Best Rheem Gas Water Heaters will use either natural or LPG gas for heating. They are easy to install and require fewer maintenance needs, especially the ones that come with self-cleaning properties. 

  1. RHE50P Professional Classic Plus High-Efficiency Condensing Power Direct Vent 48 Gallon– Best Energy Efficiency
  2. RHE40S Professional Classic Plus High-Efficiency Condensing Power Direct Vent 38 Gallon– Best Value for Money
  3. PROPLUSG38- 40N RH69PD Powered Damper Residential Gas Water Heater– Best Automatic Gas Water Heater

Best Rheem Electric Water Heaters

The Best Rheem Electric Water Heaters are fast and efficient for instant hot water showers. They come in different tank sizes for multiple aesthetics and need preferences. If you have a bigger household capacity, you’ll need a larger tank and vice versa. 

  1. PROPE55 T2 RH92 CS Prestige Smart Electric Water Heater with Leak Guard– Best Overall
  2. XE36S06ST45U0 Performance Standard Electric Water Heater– Best Value
  3. PRO+E50 M2 RH92CL Classic Plus Smart Electric Water Heater– Beat Economical

Best Rheem Tankless Water Heaters

The Best Rheem Tankless Water Heaters can also connect to the EcoNet™ Wi-Fi kit for remote control. These tanks will alert you for maintenance schedules after every 500 hours of use.

  1. RTGH-RH10DLVN High Efficiency 10.0 GPM Indoor Natural Gas Tankless Water Heater– Best Overall
  2. ECOH180DLVN-2 Indoor Natural Gas EcoNet Enabled High-Efficiency Tankless Water Heater– Best Energy Efficiency
  3. RTG-95 XLN-1 Mid Efficiency 9.5 GPM Outdoor Natural Gas Tankless Water Heater– Best Budget-Friendly

Unique Qualities Associated with Rheem Water Heaters

As noted, Rheem has been a household brand since time immemorial. Even with the entry of new innovative brands in the market, it still maintains a competitive edge because of the following unique qualities:

Endless Variety

As you’ll see in our mini-product reviews, the variety is quite overwhelming, based on price tags, individual needs, and even energy sources. You’re looking at a brand that gives you everything under one roof, including recommending reputable technicians for installation.

Reliable Warranty

The lowest primary warranty for Rheem water heaters is one year, while the highest can go up to 12 years. The warranty includes total product replacement or zero-profit part repairs and exchange. This gives your money’s value through guaranteed customer satisfaction.

Rheem Water Heater Product Lines

Rheem Performance Line

The performance line makes one of the most reliable water heaters with a simple operation process. The 28-98 gallon tanks in this level are easy to install and will demand fewer maintenance needs. They are ideal for small households of about two or three people.

Rheem Performance Platinum Line

The performance platinum line features most of the leading Rheem water heaters that can serve large households of up to ten members. This level comes in 40-55 gallon tanks with water and energy-saving systems for an eco-friendly living space.

Rheem Performance Plus Line

Rheem’s performance plus series feature high-quality water heaters with tanks that range from 29-50 gallon capacities. They also feature a UEF of about 0.59 to 0.65 and an energy factor of 0.61 to 0.62.

Rheem Professional Classic Line

One thing that stands out about the professional classic series is that these water heaters come with a primary warranty of up to 6 years. They are eco-friendly, and the water tanks range from 38-40 gallons, ideal for households of up to six members.

Rheem Professional Prestige Line

Just like the name puts it, the professional prestige series delivers a perfect balance of performance and efficiency to give your money value. Some of the top-notch features in this line include safety capabilities like high temperature and water leak sensors to prevent water damage.

Rheem Marathon Line

Marathon line takes optimal performance to a different level. The water heaters in this category are compatible with nearly all vents, and you can install them as high as 10,000 feet above sea level. They also have safety features accessible through remote mobile app control.

Best Rheem Gas Water Heaters

1. RHE50P Professional Classic Plus High-Efficiency Condensing Power Direct Vent

This gas water heater takes safety to another level thanks to the flammable vapor detection system that warns you in the event of excess vapor accumulation.

It is compatible with nearly all vent types of two or three-inch diameters, including PVC, CPVC, and ABS. Most importantly, it comes with a concentric vent kit, and you can mount it to a high altitude of up to 9,000 feet above sea level.

We tried this product and loved its eco-friendly properties thanks to the low NOx design. Besides enhancing a greener living environment, the heat exchanger porcelain coating improves longevity and durability.

You’re looking at one of the best Rheem gas water heaters that could serve you for years to reflect your money’s value.

Rheem RHE50P Water Heater Review

Other features that you’ll likely enjoy in this product include the self-diagnostic system that is easy to install and service. When trying the product, we didn’t need a professional to replace the diagnostic system as it doesn’t require draining the water heater. It also features a two-pipe design with one pulling in outside air while the other exhausts the combustion gases.

Specs:

  • Warranty – Six years
  • Capacity (Size) – 48 gallons
  • Energy Star Rating – ENERGY STAR® rated
  • Uniform Energy Factor (UEF) – 0.83
  • Water Temperature – 90° F
  • Recovery Rate – 43.6 at 90 F Rise
  • Flow Rate – 43.6 to 48.5 GPM
  • First Hour Rating (FHR) – Up to 87 gallons for Natural and LP gas

2. RHE4S Professional Classic Plus High-Efficiency Condensing Power Direct Vent 38 Gallon

This product could be a good try if you’re looking for a Rheem gas heater that gives you multiple functional features at an affordable price tag, including an eco-friendly burner.

You still want to enjoy hot water baths while minding your indoor and outdoor living spaces. It works in a less noisy whisper than generic gas water heaters, making it a quiet blower.

Rheem manufactured this model with innovative technology that features a submerged coil condensing heat exchanger for seamless operation.

This also includes an explosive vapor detection system that powers off the heater if the vapor accumulates to dangerous levels. We loved the corrosion-resistant anode rods that protect your tank, enhancing its lifespan.

You’ll also enjoy multiple venting options to match your residential home structure and design, including vertical and horizontal termination for easy installation and maintenance schedules.

Rheem RHE40S Water Heater review

The venting pipes are long and can extend up to 60 feet in length. Vent pipes choice is purely aesthetic as it is compatible with AMS, CPVC, and PVC options.

Specs:

  • Warranty – Six years primary warranty
  • Capacity (Size) – 38 gallons
  • Energy Star Rating – ENERGY STAR® rated
  • Uniform Energy Factor (UEF) – 0.83
  • Water Temperature – 90° rise
  • Recovery Rate – 43.6 at 90 F Rise
  • Flow Rate – 43.6 to 48.5 GPM
  • First Hour Rating (FHR) – Up to 87 gallons for LP and natural gas

3. PROPLUSG38- 40N RH69PD Powered Damper Residential Gas Water Heater

You might consider this model from Rheem if you want a gas water heater with up to 12 years of warranty to address quality issues. Some hitches may emanate from the production or supply chain, and in that case, it’s not your fault.

The manufacturer notes that the warranty may include total replacement or zero-profit product parts, whichever may be lower.

The best feature about this gas water heater is the innovative technology that includes a Wi-Fi connection and remote mobile app control. The mobile application allows you to customize various elements to your aesthetic preferences.

We had fun tweaking vacation settings, temperature controls, and systems monitoring away from home. Thus, you can also have control of your gas heater when at home.

Rheem PROPLUSG3840NRH69PD Water Heater Review

The water sensor that detects any moisture outside the gas and sends an alert to the EcoNet™ mobile app. If you’re away, you can tell someone to check on the heater or turn it off for safety purposes. This model comes with a dedicated EcoNet™ Wi-Fi kit.

Specs:

  • Warranty – Twelve years
  • Capacity (Size) – 38 gallons
  • Energy Star Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.70
  • Water Temperature – 90° F
  • Recovery Rate – 36.4 GPH at 90 F Rise
  • Flow Rate – 36.4 GPH
  • First Hour Rating (FHR) – 85 gallons

Best Rheem Electric Water Heaters

1. PROPE55 T2 RH92 CS Prestige Smart Electric Water Heater with Leak Guard

When buying a residential electric water heater, the first thing that strikes your mind is the safety feature that ensures your pets and family members are safe even when you aren’t around.

We tried the remote control features of this tank, and they are pretty forthcoming in terms of reliability. You can manage temperature and track water usage from the comfort of your home.

This model is the best overall heater, thanks to the intelligent LeakGuard control. It shuts off the water fixture in case of a leak to protect your home from water damage.

Moreover, you can still monitor small leaks that may not activate the LeakGuard through the intelligent detection system that covers both internal and external surfaces of the tank.

One of our team members took a vacation trip outside his town and saved a lot in energy costs. This electric water heater has a dedicated vacation mode that puts it to sleep to save water heating costs.

Rheem PROPE55 Water Heater Review

You can access this setting on the EcoNet Wi-Fi app. Also, the hot water availability indicator warns you before running out of hot water.

Specs:

  • Warranty – Twelve year limited warranty on tanks and parts
  • Capacity (Size) – 55 gallons
  • Energy Star Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.92
  • Water Temperature – 90° F
  • Recovery Rate – 
  • Flow Rate – 21 to 25 GPH
  • First Hour Rating (FHR) – 72 gallons

2. XE36S06ST45U0 Performance Standard Electric Water Heater

This model comes with an isolated water tank design that reduces heat conduction loss to save energy costs. Many users noted faster heating rates that ensure you have 24/7 access to hot water, thanks to the 3000W copper heaters.

Moreover, you’ll appreciate your money values as the premium anode rods protect the heater from corrosion to ensure it stays in pristine condition.

The effective over-temperature control that disconnects the power circuit when the temperatures are incredibly high. This feature cuts down unnecessary power costs and reduces the risk of fire or explosion. When your electric water heater often overheats, it is just a step away from causing a disaster.

We installed this heater without the need of a qualified technician. It comes with an electric junction box situated above the heating elements for easy set-up. Generally, this model gives your money value without much hassle.

Rheem XE36S06ST45U0 Water Heater review

Specs:

  • Warranty – Six years
  • Capacity (Size)– 36 gallons
  • Energy Star Rating– ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.92
  • Water Temperature – 90° F
  • Recovery Rate – 
  • Flow Rate – 21 GPH
  • First Hour Rating (FHR) – 33 gallons

3. PRO+E50 M2 RH92CL Classic Plus Smart Electric Water Heater

The Rheem water heater is ideal for small households of about four people. The price tag is relatively affordable and complements the maintenance needs.

It comes with an eight-year limited warranty that covers the tank and heating parts. Thus, you can resolve any quality issues that emanate from the production or supply line within this period.

Say goodbye to scrubbing and constant rinsing to keep your heaters from scales. This tank has self-cleaning properties that ensure all the internal parts stay in pristine condition for the longest time possible.

This feature also prevents the accumulation of sediments, enhancing efficiency throughout cold and hot seasons.

Like other Rheem models, this heater comes with an in-built Eco-Net Wi-Fi technology that allows you to control and monitor energy use remotely.

Rheem PROE55 M2 RH92CL Water Heater Review

The system features vacation mode to save energy costs when you’re not around. The hot water availability indicator alerts through the mobile app when running out of hot water.

Specs:

  • Warranty – Eight years
  • Capacity (Size) – 50 gallons
  • Energy Star Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.92
  • Water Temperature – 90° F
  • Recovery Rate – 
  • Flow Rate – 21 GPH
  • First Hour Rating (FHR) – 72 gallons

Best Rheem Tankless Water Heaters

1. RTGH-RH10DLVN High Efficiency 10.0 GPM Indoor Natural Gas Tankless Water Heater

The RTGH model is the go-to tankless water heater if you want a model that gives you a continuous water heater while enhancing energy efficiency.

It is ideal for large households of up to ten family members thanks to its water waste-reducing capabilities. We find it a good plan for any homeowner who wants to save on energy and water bills.

If you’re living in a story building, you have nothing to worry about functionality. We installed this electric heater at an altitude of 10,000 feet above sea level, and it functioned optimally.

It is eco-friendly, thanks to its low emissions, and will help promote a greener living space. The best thing is that it comes with two standard vent units that are easy to install, including ½ -inch gas line compatibility.

Rheem RTGHRH10DVLN Water Heater Review

This model has all the safety features you’d wish for in a tankless water heater, a flame sensor, and an overheat cut-off limit switch. Other safety features include a water leak detector sensor to mitigate water damage, a water temperature sensor and a gas leak detector sensor.

Specs:

  • Warranty – Twelve years
  • Capacity (Size) – N/A
  • Energy Star Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.94
  • Water Temperature – 90° F
  • Flow Rate – 10.0 GPM
  • First Hour Rating (FHR) – N/A

2. ECOH180DLVN-2 Indoor Natural Gas EcoNet Enabled High-Efficiency Tankless Water Heater

When buying a tankless water heater, energy efficiency and safety are factors that a typical homeowner considers. This Rheem performance water heater features an ultra-low NOx design that gives you continuous hot water without unnecessary energy consumption.

It also features stainless steel condensing heat exchange that enhances performance and energy efficiency.

The main feature that sounds out in this model, not found in regular tankless water heaters, is the exclusive water savings settings that can help you save up to 1,100 gallons every year.

The settings will reduce the in-pipe water flow until the temperature reaches your desired setting. Thus, you get instant hot showers without bracing cold water at the beginning.

Rheem ECOH180DVLN-2 Water Heater Review

This tank features a recycling pump kit that also improves water saving. You’ll enjoy a quick installation process and simple maintenance needs. The heater alerts you after every 500 hours of use.

Specs:

  • Warranty – Twelve years primary warranty
  • Capacity (Size) – N/A
  • Energy Start Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.93
  • Water Temperature – 90°F
  • Flow Rate – 9 GPM
  • First Hour Rating (FHR) – N/A

3. RTG-95 XLN-1 Mid Efficiency 9.5 GPM Outdoor Natural Gas Tankless Water Heater

The Rheem RTG model is an innovative tankless water heater that connects to EcoNet mobile app if you have the Tankless EcoNet accessory kit.

Besides the budget-friendly price tag, we noticed that this heater would give you instant hot showers even during low-demand situations, thanks to the 0.40GPM minimum flow rate. Even so, the minimum flow rate begins at 0.26GPM.

This model features innovative technology with accessories for linking multiple units in a load-sharing system. That way, you can have endless higher-demand applications without burdening the heating system. 

The high altitude compliance can support up to 8,400 feet elevation above sea level. Not forgetting, it is eco-friendly for low emissions.

What stood out about this tankless heater is the fast installation process that easily connects to a concentric vent system and a metal fab without an adapter. It has ½ -inch gas line compatibility, which is standard in most USA states.

Rheem RTG95XLN1 Water Heater Review

Besides using minimum energy to save on costs, this heater comes with a recirculation pump kit that can save up to 12,000 gallons per year.

Specs:

  • Warranty – Twelve years
  • Capacity (Size) – N/A
  • Energy Star Rating – ENERGY STAR rated
  • Uniform Energy Factor (UEF) – 0.81
  • Water Temperature – 45° F
  • Flow Rate – 9.5 GPM
  • First Hour Rating (FHR) – N/A

The Bottom Line

Rheem brand gives you a nearly endless variety of water heaters to match your needs, taste, and preferences. If you have a reliable gas line, getting one of our best Rheem gas water heaters sounds like a good plan. The same applies to electric heaters. Go for them if you have a reliable electricity connection. 

A secondary source like solar panels will serve you well. Tankless water heaters are ideal if you have a small space because they can fit indoors or outdoors without causing a distraction. Either way, the choice is purely aesthetic. 

Just ensure that you settle for a model that reflects your money’s value, as recommended in Rheem Water Heater Reviews. You can buy the above water heaters from the official Rheem website. They also recommend reliable technicians for fast installation processes. 

The H2Home Lab team is dedicated to helping you find the best solutions to your specific water needs, as well as provide troubleshooting tips and guides for water filtration, heating, softening and plumbing. We hope you will find the info you need on our site from any one of our buying guides or subject matter articles.