Gas Water Heater Size For Family Of 4

The first hour rating is the number of gallons of hot water the heater can supply per hour starting with a tank full of hot water.

Gas water heater size for family of 4.

It is listed as being 9 8gpm but since my factors are not the best case scenario it drops down to 6 7 gpm. Smith s proline power vent gas water heater available from supplyhouse should get the job done. Sizing storage and heat pump with tank water heaters. A family of 5 people will require at least a 6 gpm tankless water heater.

If your space won t accommodate a standard size water heater there are alternatives. The first factor in choosing a tankless water heater is calculating the size of your hot water heater. This is assuming 3 showers running simultaneously with 3 star water saving shower head. 2 3 people you ll need at least a 40 gallon capacity tank.

They provide the same level of performance and will work with electric or gas natural or propane systems. Rinnai rl94in a natural gas tankless water heater is the best choice for 3 bathrooms and additional house appliances. For example a family of 5 or more could live very comfortably on a 30 gallon tank water heater while a household of 2 might find that a 30 gallon tank can t provide enough hot water for their needs. But it shouldn t be your.

This is because water heater size directly impacts its cost. 40 gallons family of 3 4. While traditional tank water heaters are calculated by your family size a tankless water heater is calculated by the quantity and types of fixtures or appliances it will serve. If you re going with a storage tank water heater here s a rough guide for storage tank capacity.

40 gallons family of 5 or more. So i need to know what size tankless water heater is best for a family of 4. Family of 1 2. 1 2 people you ll need a water tank with at least a 30 gallon capacity.

As an example an instant hot water heater size for family of 5 would be a 21 litres per minute flow rate vs a hot water tank size for family of 5 would be 230 300l 60 80 gallons. How to size a tankless water heater. What size water heater do i need. Looks like the rinnai ruc98in from amazon is going to be best to suit my needs.

Before buying a tank water heater most homeowners want to get a rough idea of the water heater size their family needs. For the average family of four a 40 gallon water heater like a. Rinnai rl series he tankless hot water heater. To properly size a storage water heater for your home including a heat pump water heater with a tank use the water heater s first hour rating.

Now let s get back to the original question about sizing a tankless water heater.