Tankless Water Heater Size Requirements

You may not need that big of a tankless water heater so make sure you read the whole article.

Tankless water heater size requirements.

Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home. Determine the mounting space. The best gas option in this case would probably be rinnai v series. Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.

Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise. Gallons per minute gpm is the key when it comes to sizing tankless water heaters. Determine your water flow rates. The lowest price you can get for the highest gpm is easily the takagi t h3 dv n that will give you a whopping 10 gpm.

Temperature rise at 3 gpm. A wide range of sizes and capacities of demand type water heaters are available so indeed it makes sense to look carefully at your requirements. Your tankless water heater will need to be able to provide a 60 deg. Then add up their flow rates gallons per minute.

How to select the right size tankless water heater. Simply locate the appropriate water heater sizes on ecomfort using your information. Measure your cold water temperature. The answer is simple.

Determine the maximum number of devices you want to run and their total flow rate.