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How to Chose a Water Heater

Use this handy guide to choosing the right size water heater.
Enter the answers in the boxes, then total them up.

Number of people in household ________
Number of tubs and/or showers ________
Add 1 for a dishwasher ________
Add 1 for a washing machine ________
Add 1 for a whirlpool tub ________
Miscellaneous additions* ________
TOTAL ________

Other things to consider:

    • If children are entering their teen years, you may want to add 1 to miscellaneous additions.


    • If you want a more efficient water heater, consider an upgrade to a high-efficiency heater.


    • If you find yourself running out of hot water, add 1 to miscellaneous additions or upgrade to a quick-recovery and/or high-efficiency water heater.


    • If there is a whirlpool tub, use a 50-gal. or higher gas or electric heater as a minimum.


After totaling the boxes, use the following chart to determine the size of water heater necessary.

If Total Is…

GAS 4 or less: 30 gallon water heater
  5 to 7: 40 gallon water heater
  8 or more: 50 gallon water heater
ELECTRIC 4 or less: 40 gallon water heater
  5 or 6: 50 gallon water heater
  7 or 8: 65 gallon water heater
  9 or more: 80 gallon water heater

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Emergency Plumbing Service in Atlanta

Emergency Plumbing Service in Atlanta

Our plumbing & drain cleaning technicians at Mr. Rooter provide plumbing services to our Atlanta customers 24 hours a day, 7 days a week. We believe that by showing up in a timely, professional and caring manner that we play a crucial role in providing comfort to our client’s everyday lives

At Mr. Rooter there is never an extra charge for plumbing on nights and weekends. We are proud that our professional, clean plumbers will fix it right the first time and will tell you the price before any plumbing work is performed. 

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