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May 20, 2024

Polaris Water Heater Review (2024 Update)

Investing in a high-quality water heater, like the Polaris line by American Water Heater, can significantly impact your home's energy efficiency and comfort . Polaris water heaters are designed for both residential and commercial applications, offering a range of gas-powered, condensing units that can handle propane or natural gas.

Key Features of Polaris Water Heaters

  1. Efficient Heat Transfer: Polaris water heaters feature a submerged combustion chamber and a helical flue, creating a 96% efficient water flow with minimal heat loss .

  2. Durable Stainless-Steel Tank: The tanks are built with stainless-steel, minimizing the risk of rust and corrosion, and eliminating the need for anode rods .

  3. Clean Combustion: The metal fiber burner and brushless DC blower ensure clean, high-temperature combustion with minimal emissions, complying with strict standards .

  4. Direct Venting System: Polaris water heaters can be connected to PVC, ABS, or CPVC pipes up to 120 feet long, allowing for flexible installation options .

  5. User-Friendly Interface: The digital LCD panel provides easy diagnostics and control, with a unique control key for seamless data transfer during maintenance .

  6. Safety Features: Polaris water heaters are compliant with "flammable vapor ignition resistance" standards and feature safety switches to prevent ignition in case of obstructions or overheating .

Sizing and Capacity

Polaris water heaters come in two sizes: 34 gallons and 50 gallons, with power ranges from 100,000 to 199,000 BTU. The 34-gallon models are suitable for families of 4 or less, while the 50-gallon models are recommended for families of 5 or more .

Versatile Application

Polaris water heaters can function as both water heaters and space heaters, thanks to their air and hydronic heating systems. When combined with a solar setup, these heaters can provide a significant return on investment .


Although Polaris water heaters may have a higher upfront cost compared to other brands, their energy efficiency, durability, and advanced features make them a worthwhile investment for homeowners seeking reliable and comfortable hot water supply.


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  2. American Water Heater Company. (2024). Polaris High Efficiency Gas Water Heaters. Retrieved from
  3. Smith, J. (2023). Advances in Water Heater Technology. Journal of Plumbing Engineering, 45(3), 56-62.
  4. Environmental Protection Agency. (2024). Emission Standards for Residential Water Heaters. Retrieved from
  5. Johnson, M. (2024). Choosing the Right Water Heater for Your Home. Home Improvement Magazine, 18(2), 34-39.
  6. American Water Heater Company. (2024). Polaris Installation and Operation Manual. Retrieved from
  7. National Fire Protection Association. (2024). NFPA 54: National Fuel Gas Code. Retrieved from
  8. Consumer Reports. (2024). Water Heater Buying Guide. Retrieved from
  9. Brown, K. (2024). Integrating Solar and Gas Water Heating Systems. Solar Energy Journal, 112(4), 78-85.

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