Water Heater Sizing Calculator vs Hot Water Heater Sizing Calculator
Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.
Water Heater Sizing Calculator
Determines the minimum tank capacity (in gallons) your household needs based on occupants, bedrooms, bathrooms, usage pattern, and heater efficiency. Use it before buying or replacing a water heater.
- Answers
- Recommended Tank Size (gallons)
- Inputs
- Number of Occupants, Number of Bedrooms, Number of Bathrooms, Usage Pattern, Heater Efficiency
Hot Water Heater Sizing Calculator
Find the right storage water heater capacity (in gallons) for your home based on bedrooms, bathrooms, occupants, and usage habits. Use it before buying a new water heater or when upgrading an undersized unit.
- Answers
- Recommended Tank Size (gallons)
- Inputs
- Number of Bedrooms, Number of Bathrooms, Number of Occupants, Hot Water Usage Pattern, Peak Hour Demand Factor
At a glance
| Water Heater Sizing Calculator | Hot Water Heater Sizing Calculator | |
|---|---|---|
| Category | Plumbing | Water Usage |
| Answers | Recommended Tank Size | Recommended Tank Size |
| Inputs | 5 | 5 |
| Result unit | gallons | gallons |
When to use each
Determines the minimum tank capacity (in gallons) your household needs based on occupants, bedrooms, bathrooms, usage pattern, and heater efficiency. Use it before buying or replacing a water heater.
Find the right storage water heater capacity (in gallons) for your home based on bedrooms, bathrooms, occupants, and usage habits. Use it before buying a new water heater or when upgrading an undersized unit.