The best gas option in this case would probably be rinnai v series.
Tankless water heater size requirements.
Below we ve highlighted what size water heater you would need in our example of 6 5 gpm at a 63 f temperature rise.
Once you have your total flow rate and the required temperature rise you can find the right size tankless water heater for your home.
Measure your cold water temperature.
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.
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.
How to select the right size tankless water heater.
The answer is simple.
Simply locate the appropriate water heater sizes on ecomfort using your information.
Gallons per minute gpm is the key when it comes to sizing tankless water heaters.
Temperature rise at 3 gpm.
Determine your water flow rates.
Determine the mounting space.
How to determine the required size of a tankless hot water heater.
Tankless water heaters are much smaller than units with a storage tank allowing them to be wall mounted.
You may not need that big of a tankless water heater so make sure you read the whole article.
You ll need a tankless water heater that can provide a temperature rise of 50 f for about 6 gallons of water per minute.