Gas Water Heater Sizes

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.

Gas water heater sizes.

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Find the right water heater where to buy rebate finder. What size water heater do i need. Sizing storage and heat pump with tank water heaters.

Hybrid tankless water heaters. This is the balance between how much water your water heater can store and how quickly it can reheat the water in its tank. Simply locate the appropriate water heater sizes on ecomfort using your information. Consider the sliding scale between water heater storage capacity vs.

Smith signature 40 gallon tall 6 year limited 35500 btu natural gas water heater. Direct vent furnaces venting. 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. 1 2 people you ll need a water tank with at least a 30 gallon capacity.

Smith pro size sizing program is a tool that can be used to estimate water heater requirements for many common applications. Choosing the right size of water heater also depends on your personal priorities. 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. Utility water heaters usually range in size from 2 5 to 19 gallons.

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. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here. Water heater recovery rate. Pro size is intended to assist in selecting water heaters or boilers that best meet the specific job requirements.

3 4 people you ll need at least a 50 gallon capacity tank electric or a 40 gallon capacity tank natural gas or liquid. Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. 2 3 people you ll need at least a 40 gallon capacity tank.