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Traditional vs. Tankless Water Heaters

Updated: Dec 15, 2025


tankless water heater main unit in gray sitting on a wall in an unfinished garage

Deciding between a traditional tank water heater and a tankless water heater can be a difficult decision. What makes sense for you depends on several factors including your household’s size, hot water usage, energy priorities, and budget.


At Platinum Rooter & Plumbing we have installed countless water heaters, and can assist you in making the right decision based on your motivating factors.


Here is a quick breakdown on the pros and cons of each:




Pros and Cons


  • Standard Tank

    • $1,500-$2,750 to replace including labor

    • No costly mainentance required

    • Uses standard gas or electrical already in home

    • Larger and takes up more space then tankless

    • Can run out of hot water

    • Requires more energy to constantly supply hot water


  • Tankless System

    • $3000-$7,500 to install including labor

    • Yearly mainentance $500-$1,000 is required

    • May need to upgrade your electrical or gas to install

    • Smaller so takes up less space

    • Endless supply of hot water

    • 24–34% more energy-efficient for homes using <41 gallons/day


If you do the math and are concerned about budget, a tankless system makes sense for a 1-3 person household, for larger families a standard tank water heater is still the most cost effective option. If you'd like a price estimate and more in-depth analysis of your options, call us today.



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