You can always call us directly to discuss your hot water needs! There are also water heater calculators online that can help you calculate the recommended water heater size for your home or business on some manufacturer websites such as Bradford White and AO Smith.
Or you can also refer to the handy tables below:
1. Number of Bathrooms & Bedrooms
1 to 1.5 Bathrooms
1 Bedroom —> Minimum Tank Size (gallons): 20
2 Bedrooms —> Minimum Tank Size (gallons): 30
3 Bedrooms —> Minimum Tank Size (gallons): 40
2 to 2.5 Bathrooms
2 Bedrooms —> Minimum Tank Size (gallons): 50
3 Bedrooms —> Minimum Tank Size (gallons): 50
4 Bedrooms —> Minimum Tank Size (gallons): 50
5 Bedrooms —> Minimum Tank Size (gallons): 60
3 to 3.5 Bathrooms
3 Bedrooms —> Minimum Tank Size (gallons): 50
4 Bedrooms —> Minimum Tank Size (gallons): 60
5 Bedrooms —> Minimum Tank Size (gallons): 60
2. Number of Residents
1-2 Residents —> Minimum Tank Size (gallons): 30
2-3 Residents —> Minimum Tank Size (gallons): 40
3-4* Residents —> Minimum Tank Size (gallons): 50
4-5** Residents —> Minimum Tank Size (gallons): 50-60
5-6** Residents —> Minimum Tank Size (gallons): 60-80
6+ Residents —> Minimum Tank Size (gallons): 80+ or Tankless
* Maximum 2 adults recommended
**Maximum 2-3 adults recommended
