5 Best State Water Heaters in 2021 – Reviews and Buyer’s Guide

The Proline GS6-50-BRT Gas Water Heater is on top of its game with a capacity to deliver 81 gallons first-hour rating and with a recovery time of 41 GPH. With a 50-gallon storage tank, this water heating system is ideal for an average family of four.

This model encourages an eco-friendly approach to all the homeowners and significantly reduces energy consumption. Although this unit is not Energy Star qualified, it meets the requirement of low NOx emission with a 0.62 Uniform Energy Factor.

Intelligent Control Logic

One feature that makes this model stand out among others is the intelligent control logic technology. The Proline GS6-50-BRT operates entirely independently without the need for any external power source. Instead, this model uses a thermophile to generate electrical energy required to operate the electronic gas control.

In addition to that, the electronic gas control also includes an LED status indicator that helps to monitor the operation and service diagnostics of the system. The internal microprocessor enhances the operating parameters for a quick heating response to optimize performance.

Green Choice Gas Burner

The Proline GS6-50-BRT is an environmental-friendly water heater. This model is patented with an eco-friendly gas burner that is capable of reducing NOx emissions by up to 33% compared to regular gas boilers. This water heater also meets the requirement of low NOx emissions of less than 40 ng/j. Despite not being qualified for Energy Star, this unit has the potential to minimize energy consumption and reduce utility bills.

Self-Cleaning Dip Tube

Only a few water heaters have included this feature in their system. The Proline GS6-50-BRT also has a self-cleaning dip tube made out of high-quality PEX cross-linked polymer. The dip tube plays a vital role in reducing sediment and lime build-up from the water heater and maximizes the hot water output. It not only increases the performance of the unit but also increases its lifespan and longevity.

Coregard Anode Rod

The anode rod is a device that determines the lifespan of the water heating system. The anode rod attracts ions and corrosive particles from water using an electrolysis process to prevent rust in the water tank. The Proline GS6-50-BRT is equipped with a premium Coregard anode rods that have a stainless steel core. This high-quality material not only helps to extend the life of the rod but also provides superior tank protection compared to standard anode rods.

The Proline EN6-50-DORT is an electric water heating unit that is capable of delivering a first-hour rating of 62 gallons and a recovery rate of 21 GPH. Similar to the Proline GS6-50-BRT, this water heater also has a 50-gallons storage tank producing 6,000 watts.

Ideal for small to medium families, this water meets the low NOx emission requirements with a 0.92 Uniform Energy Factor. Additionally, this water heater is made out of commercial-grade heating elements and comes with a 6-years limited warranty on tank and parts.

Commercial-Grade Heating Elements

When it comes to design and build quality, State Water Heaters are simply impeccable. Unlike regular water heaters, the Proline EN6-50-DORT is constructed with commercial-grade heating elements. It includes a dual heating element of 4500 watts for reliable operation and faster recovery. Both upper and lower heating elements are made out of premium quality stainless steel that lasts much longer than a standard copper element.

Self-Cleaning Dip Tube

Similar to the gas-powered Proline GS6-50-BRT, this model also includes the unique feature of the self-cleaning dip tube. It is constructed with a highly durable PEX cross-linked polymer. Having a self-cleaning dip tube in your water heater helps to protect the system from sediment and lime build-up. Therefore, it maximizes the supply of hot water and increases the life of the water heater.

High Uniform Energy Factors

This model is certainly one of the best when it comes to energy-efficiency. Equipped with environmentally-friendly heat traps and non-CFC foam insulation, the Proline EN6-50-DORT has much higher Uniform Energy Factors.

Although this water heater is not Energy Star Certified, this unit reduces energy consumption and maximizes savings on operating costs with a 0.92 Uniform Energy Factor.

Coregard Anode Rod

The Proline EN6-50-DORT is powered by a high-quality Coregard anode rod. This anode rod is made out of premium stainless steel core to stay protected from corrosive materials floating in the water.

A highly durable anode rod also helps to extend the life of the water tank. In general, the anode rod acts as a magnet that attracts ions and corrosive particles from the water and reduces the possibility of rust inside the tank.

The GTS-540-NIH by State Water integrates a recirculation pump to deliver an instant supply of hot water in residential applications. This model has two different variants — natural gas or propane. The interface of this unit is pretty straightforward, with built-in pump settings that allow you to customize the settings according to your preference.

This model uses condensing technology to heat the water. With a 0.93 Uniform Energy Factory, this water heater meets the gas emissions standards of Energy Star. Unlike other models, the State Water GTS-540-NIH comes with an industry-leading 15-years warranty on the heat exchanger and 5-years limited warranty on spare parts.

Dual Heat Exchanger

The State Water GTS-540-NIH is powered by a dual heat exchanger for efficient heat transfer to deliver an endless supply of hot water. The primary heat exchanger of this model is made out of commercial-grade copper. This high-quality component is far more sturdy and resilient against erosion compared to standard copper.

The secondary heat exchanger is made out of 316L stainless steel that provides additional protection against corrosion.

Safety Features

Although water heaters are safe devices, the GTS-540-NIH has decided to take additional steps to ensure safety. These safety features come in handy for families that have children and/or senior citizens.

It includes overheating protection that detects if any internal components become too hot. If the system detects an unsafe temperature, it automatically turns off the operation to prevent overheating. Besides, it also features a freeze protection technology that is designed to keep the pipes from freezing in low-clearance locations.

Not only that, but this water heater also has troubleshooting diagnostic codes that notify you if it detects any issues. When the unit detects any issues, it will automatically activate the corresponding trouble code.

Space-Saving Design

Compact and lightweight, the GTS-540-NIH can virtually fit anywhere, even in crawl spaces or on the kitchen wall. Unlike the conventional tank-type water heater, this tankless model takes much less space, allowing you to save valuable space at your home.

The wall-mount design of this water heater ensures that you do not have to settle for comfort and space at all. Besides, the sleek design of the GTS-540-NIH can perfectly complement the interior designs of any house.

Endless Supply of Hot Water

The State Water GTS-540-NIH is an excellent whole-house water heating appliance that delivers an endless supply of hot water at your home. As this model uses up to 199,000 BTU per hour of natural gas, it is capable of producing enough hot water for households with three to four bathrooms, depending on the climate.

Industry Leading Warranty

The State Water GTS-540-NIH is backed by 15-years limited warranty on heat changer, a service you’d only expect from top-class companies. In addition to this, the manufacturer also provides a 5-years limited warranty on spare parts.

The Proline HPX-80-DHPTNE is an electric water heater that delivers a continuous supply of hot water while also reducing the power consumption significantly. Its innovative design pulls the environmental heat and dehumidifies the ambient air simultaneously.

Instead of heating elements, this home appliance uses heat pump technology to generate heat. Apart from heat pump technology, it also includes two heating elements that help to recover the unit as quickly as possible during the high demand hours. This unit is equipped with an 80-gallons storage tank, which can store enough hot water to fulfill the needs of a large family.

Increased Energy Efficiency

When it comes to energy-efficient systems, nothing quite gets better than the Proline HPX-80-DHPTNE. This water heater can reduce water heating costs by up to 73 percent with the use of heat pump technology.

The innovative technology of this water heating solution ensures an endless supply of hot water at the lowest possible cost. With up to 2.73 Uniform Energy Factor rating, this water heater meets the requirements for Energy Star qualifications. Although the initial cost of this unit is slightly expensive, this unit turns into more of an economical solution compared to standard water heaters in the long-run.

Electronic User Interface

Not only does this water heater have exceptional performance, but it is also simple and straightforward to use. It includes a built-in electronic interface that allows you to control the temperature setting, operating modes, and communicate diagnostics.

Even for people who have never used a water heater, the user-friendly interface of the Proline HPX-80-DHPTNE makes it extremely easy to operate.

High Performance in Cool Climates

It is quite obvious that the performance of any water heater highly depends on the climate of that area. While most water heaters tend to perform fairly well in normal conditions, they usually fail to perform in colder areas.

However, the Proline HPX-80-DHPTNE complies with the Tier 3 requirement of the Advanced Water Heater Specification. This ensures that this water heating unit will perform efficiently and effectively, even in colder climates.

Accessory Duck Kit

The entire Proline HPX-80-DHPTNE set also includes an additional duck adapter kit. The duck kit is basically used to redirect inlet or outlet air to/from other locations to allow installation in confined spaces.

This not only helps to improve the performance of the unit but also maintains comfort in occupied areas of the home.

A Decade of Warranty

The Proline HPX-80-DHPTNE is a sturdily built and highly durable water heating system. However, to ensure reliability and durability, this water heater comes with a 10-year limited warranty on the storage tank. Unlike other models that usually compromise on the spare parts, the Proline HPX-80-DHPTNE also offers a 10-year warranty on spare parts.

State Water GTS-340-NIH is a gas-powered water heater that is equipped with a dual heat exchanger for better heat transfer. This unit is not only highly efficient but also complies with the Ultra-Low NOx regulations and meets the ASHRAE/IES Standard 90.1-1989 for energy efficiency.

This water heating system that uses the condensing technology to generate heat is exceptionally efficient with a Uniform Energy Factor of 0.95. This water heater comprises multiple safety features along with a remote control feature for easy operation. Additionally, it is also backed by the industry-high 15-years warranty on the heat exchanger and a 5-year limited warranty on parts.

Dual Heat Exchanger

Unlike standard water heaters, the State Water GTS-340-NIH is equipped with a dual heat exchanger. The heat exchanger is said to be 25 times better than stainless steel in terms of both quality and performance. Therefore, this unit is capable of stabilizing the temperature of outgoing water and reducing the drop in pressure across the heat exchanger.

The primary heat exchanger of the GTS-340-NIH is made out of high-quality copper components, which is more resilient against corrosive materials. Similarly, the secondary heat exchanger is constructed with top-class stainless steel for additional protection.

Endless Supply of Hot Water

The GTS-340-NIH is a highly-efficient whole-house water heating appliance that is capable of delivering endless amounts of hot water at your home. This model uses 180,000 BTU per hour of natural gas to generate enough hot water for households with two to three bathrooms.

With a Uniform Energy Factor of 0.95, this water meets the energy efficiency requirements of ASHRAE/IES Standard 90.1-1989 and complies with the Ultra-Low NOx regulations.

Space-Saving Design

With a tankless design, the GTS-340-NIH is pretty compact and lightweight for a water heater. Unlike the conventional tank-style water boilers, this model can fit even in crawl spaces and save you plenty of space at your home. Not only will this model make your house more spacious, but it also complements the design.

Safety Features

Similar to the GTS-540-NIH, this water heater also has additional safety features to prevent burns and accidents. If your family includes children and senior citizens, these safety features will make great additions for water heating devices.

The most significant feature included in the State Water GTS-340-NIH model is the overheat protection technology. This feature helps to detect the unusual rise in temperature of the internal components. In case the system detects such unsafe temperature, it shuts down the operation automatically and prevents overheating.

Besides that, this model also includes a freeze protection technology to keep the pipes protected from freezing. It is also equipped with troubleshooting diagnostic codes that detect internal issues of the system.

Industry Leading Warranty

When it comes to reliability and durability, the GTS-340-NIH is an absolute beast. However, even with such quality, the manufacturers have provided an extensive 15-years warranty on the heat exchanger of this model. Similarly, the parts are backed with 5-years limited warranty.