State Water Heaters Review and Buying Tips

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A review of State water heaters, including the most popular types and models that utilize the most innovative features for ultra-high efficiency, low gas emission, longevity, reliability, and cost-effective hot water production.

State water heaters are powered by natural and propane gas, electricity, and solar energy and are designed as conventional storage tank type and tankless.

State Polaris gas water heater

Premium features of tank-type water heaters

  • Blue Diamond Glass Coating – it fights corrosion to increase tank life
  • Self-Cleaning System - reduces lime and sediment buildup to maximize performance
  • CoreGard Anode Rod - allows superior tank protection against corrosion
  • Green Choice Gas Burner – eco-friendly gas burner reduces gas emission
  • Heat Trap Nipples – reduces heat loss
  • Enhanced Flow Brass Drain Valve - allows easy and fast draining/flushing

State gas water heaters

There are three families of State gas water heaters available to homeowners: ProLine, Premier, and Polaris; where the ProLine is the most extensive with hundreds of different models available, while Premier and Polaris are the most advanced and efficient among tank-type.

The ProLine group of water heaters are further divided into three categories:

ProLine – considered "GOOD", ProLine water heaters include most of the premium features but have low efficiency, resulting in higher operating costs. The warranty is a standard 6 years.

ProLine Master – considered as "BETTER", ProLine Master models, except the premium features, also includes better anode protection so that the manufacturer can provide a longer tank warranty of 8 years.

ProLine XE – promoted as "BEST", ProLine XE models, can also be found with the Electronic User Interface, condensing technology, and ultra-high efficiency, making them ideal where the lowest operating costs and reduced pollution are required.

From the State gas water heaters, homeowners can buy either tank-type or tankless models, from budget-friendly types with conventional technology, standard features, and warranties, to high-end models with state-of-the-art technology, commercial-grade features, and long warranties.

Tank type

State tank-type water heaters for residential use are built in sizes from 30 to 100 gallons, and they provide a sufficient amount of hot water to homes with two to seven people. These models are designed for whole-house water heating. There are also tank-type models with a lower capacity, mostly designed for point of use service and delivering hot water to one or a maximum of two fixtures.

Homeowners also have an option to choose the type based on the venting system, energy efficiency, and gas emission. The majority of models are sold with the atmospheric venting system, while others are offered with the power, direct, and power-direct venting; also high efficiency, condensing, non-condensing, including low and ultra-low gas emission.

Most gas water heaters from State Industries come with warranties of 6 years, while better ones are protected with a 10-year warranty, thanks to the commercial-grade components.

The best models are coming from the Premier and Polaris series and, depending on the type, can include advanced features such as the helical condensing heat exchanger, stainless steel construction, advanced electronic control, side-mounted taps for recirculation, Intelli-vent gas control with hot surface ignitor, two heavy-duty anodes, and other superior features.

These models have a much better first-hour rating than other models with the same capacity, including superior thermal efficiency of up to 96% and recovery up to 130 GPH.

Tankless

State water heaters are also available with tankless or on-demand technology, heating water when needed and supplying hot water continuously and in an endless supply.

You can buy two groups of Proline XE tankless heaters: condensing and non-condensing, both designed for residential and light commercial applications.

The best tankless models are condensing with the recirculation system built-in, providing ultra-efficient and ultra-low NOx water heating.

All tankless models are wall-hanging, small, lightweight, and compact, powerful enough to supply hot water to several fixtures at the same time. State tankless water heaters are designed for indoor and outdoor installations, and every unit has a long 15-year warranty.

Non-condensing tankless water heaters are reviewed here, while the condensing group here.

Related: AO Smith and Takagi

State electric models

Conventional electric

State electric water heaters are also coming from three groups, as the above gas type: ProLine as “GOOD”, ProLine Master as “BETTER” and ProLine XE as “BEST”. They are all equipped with the premium features described in the above text, while the Master and XE series also include double long-life heating elements and improved efficiency. If you buy any of the electric models, except the hybrid type, you won’t be able to get Energy Star models since they don’t meet the requirements.

State ProLine XE series is the most efficient group, and its models come with the electronic user interface, touchscreen display, enhanced electric heating elements with dry fire protection, and diagnostics capabilities, including a 10-year tank warranty.

All the models are also approved for the manufactured and modular housing applications.

Heat pumps

State water heaters with the heat pump technology are known as hybrid water heaters because they are designed to use two technologies: a heat pump and electric heating elements. Hybrids use less than half the energy of conventional models, which increases energy efficiency 3 to 4 times.

These are the only electric heaters that are Energy Star compliant and are an ideal solution for high demanding homes and those who are looking to save on energy, time, and space. You can find more info about State hybrids in our detailed review.

About State

State Industries, a producer of State water heaters, is a leading manufacturer of HVAC equipment and is the subsidiary of AO Smith. The headquarters is in Ashland City, Tennessee, and there are seven plants and hundreds of distribution and service centers across the US, serving millions of residential and commercial owners.

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