Gas Water Heater Sizes

1 or 2 people 23 to 36 gallons 2 to 4 people 36 to 46 gallons 3 to 5 people 46 to 56 gallons 5 or more people over 56 gallons add 10 gallons per additional person.

Gas water heater sizes.

Consider the sliding scale between water heater storage capacity vs. 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. Water heater recovery rate. Utility water heaters usually range in size from 2 5 to 19 gallons.

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. What size water heater do i need. 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. Smith signature 40 gallon tall 6 year limited 35500 btu natural gas water heater.

So i need to know what size tankless water heater is best for a family of 4. 2 3 people you ll need at least a 40 gallon capacity tank. Find the right water heater where to buy rebate finder. Choosing the right size of water heater also depends on your personal priorities.

Hybrid tankless water heaters. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. 3 4 people you ll need at least a 50 gallon capacity tank electric or a 40 gallon capacity tank natural gas or liquid. Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates.

Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. Direct vent furnaces venting. Sizing storage and heat pump with tank water heaters. Small storage tank water heaters known as point of use or utility water heaters are good choices for adding hot water to outbuildings shops or garages.

Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here. This is the balance between how much water your water heater can store and how quickly it can reheat the water in its tank.