A brand-new tank water heater being installed in a clean utility closet with copper lines, an expansion tank and a drain pan, a plumber making the final connection

Free Tool · No Sign-Up

Water Heater Size Calculator

Tell us how many people live in your home, how many bathrooms you have and how you use hot water. Watch a live tank and a flow meter and compare tank and tankless sizes.

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The Calculator

How Much Hot Water?

Planning numbers using typical usage and flow figures. We confirm the right size on site, because fixtures, incoming water temperature and space all matter.

Planning aids only, not an inspection, engineering or code advice. Nothing you enter is sent anywhere until you choose to send it to us.

How It Works

Four Quick Steps

01

Step 1

Choose the household size.

02

Step 2

Pick the bathrooms and habits.

03

Step 3

Compare tank and tankless.

04

Step 4

Send your numbers to us.

Ready When You Are

Let’s Get Your Problem Solved

Book your free estimate. Tell us what is going on at your home or business and we will contact you shortly, or call now and talk to a Music City Plumber pro.

Call us today615-357-7797

  • Free estimates
  • 20 Middle Tennessee cities

Get Your Free Estimate

Music City Plumber, a division of Music City Builder Group, handles plumbing, HVAC and electrical for homes and businesses across Nashville and Middle Tennessee.

Call us today615-357-7797
  • Serving 20 Middle Tennessee cities

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