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ProLine Residential Electric Tank Water Heaters

ProLine® Residential Electric Tank Water Heaters

The A. O. Smith ProLine® family of electric tank water heaters offers a wide range of innovative solutions with commercial grade technology for residential use.

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ProLine® 40-Gallon Short Electric Water Heater
ProLine® 40-Gallon Short Electric Water Heater Model ENS-40 110
  • 4,500-watt elements
  • 55-gallon first hour rating
  • 6-Year Warranty
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ProLine® 51-Gallon Lowboy Top Connect Electric Water Heater
ProLine® 51-Gallon Lowboy Top Connect Electric Water Heater Model PNL-50 120
  • 4,500-watt elements
  • 51-gallon first hour rating
  • 10-Year Warranty
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ProLine® 40-Gallon Short Electric Water Heater
ProLine® 40-Gallon Short Electric Water Heater Model PNS-40 110
  • 4,500-watt elements
  • 55-gallon first hour rating
  • 10-Year Warranty
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ProLine® Grid-Capable 40-Gallon Tall Electric Tank Water Heater
ProLine® Grid-Capable 40-Gallon Tall Electric Tank Water Heater Model EETU-40 100
  • 4,500-watt elements
  • 55-gallon first hour rating
  • 6-Year Warranty
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ProLine® 40-Gallon Short Electric Water Heater
ProLine® 40-Gallon Short Electric Water Heater Model ENS-40W 110
  • 4,500-watt elements
  • 41-gallon first hour rating
  • 6-Year Warranty
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ProLine® 50-Gallon Tall Electric Water Heater
ProLine® 50-Gallon Tall Electric Water Heater Model PNT-50 130
  • 4,500-watt elements
  • 62-gallon first hour rating
  • 10-Year Warranty
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ProLine® Grid-Capable 55-Gallon Tall Electric Tank Water Heater
ProLine® Grid-Capable 55-Gallon Tall Electric Tank Water Heater Model EETU-55 100
  • 4,500-watt elements
  • 75-gallon first hour rating
  • 6-Year Warranty
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ProLine® 28-Gallon Mobile Home Electric Water Heater
ProLine® 28-Gallon Mobile Home Electric Water Heater Model EMHL-30 100
  • Mobile Home Approved
  • 47-gallon first hour rating
  • 6-Year Warranty
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ProLine® Grid-Capable 50-Gallon Short Electric Tank Water Heater
ProLine® Grid-Capable 50-Gallon Short Electric Tank Water Heater Model PESU-50 100
  • 4,500-watt elements
  • 67-gallon first hour rating
  • 10-Year Warranty
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ProLine® 2.5-Gallon Specialty Point-Of-Use Electric Water Heater
ProLine® 2.5-Gallon Specialty Point-Of-Use Electric Water Heater Model EPU-2.5 100
  • 1440-watt element
  • Point-of-Use
  • 6-Year Warranty
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ProLine® Grid-Capable 40-Gallon Short Electric Tank Water Heater
ProLine® Grid-Capable 40-Gallon Short Electric Tank Water Heater Model EESU-40 100
  • 4,500-watt elements
  • 53-gallon first hour rating
  • 6-Year Warranty
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ProLine® Grid-Capable 40-Gallon Tall Electric Tank Water Heater
ProLine® Grid-Capable 40-Gallon Tall Electric Tank Water Heater Model PETU-40 100
  • 4,500-watt elements
  • 55-gallon first hour rating
  • 10-Year Warranty
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ProLine® 36-Gallon Lowboy Top Connect Electric Water Heater
ProLine® 36-Gallon Lowboy Top Connect Electric Water Heater Model PNL-36 200
  • 4,500-watt elements
  • 44-gallon first hour rating
  • 10-Year Warranty
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ProLine® 10-Gallon Specialty Compact Electric Water Heater
ProLine® 10-Gallon Specialty Compact Electric Water Heater Model EJC-10 200
  • 1,650-watt element
  • 8-gallon / hr recovery rate
  • 6-Year Warranty
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ProLine® 40-Gallon Tall Electric Water Heater
ProLine® 40-Gallon Tall Electric Water Heater Model PNT-40 110
  • 4,500-watt elements
  • 53-gallon first hour rating
  • 10-Year Warranty
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Still Have Questions?

Electric water heaters have two main limitations to consider. First, they don't work during power outages, unlike gas water heaters that can continue operating when the electricity goes out. This could be a concern if you live in an area with frequent or extended blackouts. Second, electric water heaters heat water more slowly than gas models and take longer to recover after heavy use, which might be challenging for larger households with high hot water demand. However, electric water heaters offer benefits like easier installation, consistent performance, and no need for gas lines or venting, making them a practical choice for many homes.
Switching to an electric water heater can be worth it depending on your situation. Standard electric water heaters cost less upfront and are cheaper to install since they don't require gas lines or venting. They're safer with no risk of gas leaks or carbon monoxide, and can be installed almost anywhere with electrical access. However, for maximum savings, consider a hybrid electric heat pump water heater, which uses up to 70% less electricity than standard electric models and can save homeowners an average of $600 per year on energy bills. The switch makes most sense if you don't have gas lines, need to replace an existing unit, or want to maximize energy savings and environmental benefits.
Electric water heaters are significant electricity users, accounting for up to 30% of a household's energy costs, second only to heating and cooling systems. However, the actual amount depends on your water usage, the unit's efficiency, and local electricity rates. Modern electric water heaters are highly efficient at converting electricity to heat with minimal energy waste. To understand your specific costs, check the EnergyGuide label on any water heater you're considering, which shows estimated yearly operating costs based on average usage patterns. Choosing the right size unit for your household and selecting an efficient model can help minimize electricity consumption and monthly bills.
It varies based on your local utility rates. In many areas, natural gas costs less than electricity, making gas water heaters cheaper to operate. However, electric water heaters are more efficient at converting energy to heat. The actual cost depends on gas and electricity prices in your area, your hot water usage, and your specific water heater's efficiency. To find out which is cheaper for you, compare the estimated yearly operating costs on EnergyGuide labels and check your local utility rates.
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