Tankless Water Heater To Replace 40 Gallon

Typically hot water flows from a tankless heater at the rate of 2 5 gallons per minute and that may not be enough for several simultaneous uses of hot water in your household.

Tankless water heater to replace 40 gallon.

Since i live in boston i should be looking at a gas tankless water heater since they work best in cold climates. Tankless water heaters also known as on demand water heaters are quite popular with forward thinking homeowners and for good reason. Installing a tankless water heater is a greater upfront investment but these units can significantly cut the cost of monthly utilities. The cost to install a new water heater ranges from 400 to 900 for a 40 to 50 gallon tank and between 1 470 and 2 510 for a tankless.

So i need to know what size tankless water heater is best for a family of 4. That s the number that tells you how much hot water the heater can. Tankless water heaters of course don t hold much water so the number to look for is the gallons per minute rating gpm. I wrote a really detailed article reviewing the best gas tankless water heaters for different sized households that you should read by clicking here.

Unlike traditional tanks tankless water heater sizes are measured by per minute flow rate rather than by gallon capacity. Department of energy estimates that in homes using 41 gallons or less of hot water on demand tankless units can conserve between 24 to 34 more energy than tank water heaters. If you want to upgrade your water heater size from 40 or 50 gallons storage water heater or replace it you won t necessarily need a big tankless water heater. Currently most major tankless water heater manufacturers make several sizes of tankless water heater.

For example taking a shower and running the dishwasher at the same time might stretch a tankless water heater to its limit. The gas line going to the old tank is 1 2 inch but could fairly easily be changed to 3 4 inch as the read more. Tankless water heaters as their name suggests heat water on demand and do not maintain a supply of water. Typical flow rates for most major brands range from four to eight gallons per minute or gpm.

The right size is a tankless water heater that can heat enough gallons of water to a specific temperature per minute to keep up with the demand. Also most plumbers will charge between 250 and 500 to take the old water heater out and properly dispose of it.