Where is the best place to put a tankless water heater?

By Robert Flores / October 26, 2022

The ideal location for your water heater is inside the home. Most installations are small and unobtrusive so they will easily fit in a pantry, under the stairs, or under your sink. If you must place the water heater outside, make sure it’s safe from direct sunlight, rain, and insects.

How do you winterize a tankless water heater?

How to Winterize Tankless Water Heaters. First, the heater should be turned off and the power cord unplugged. The gas and water supply lines should then be shut and the tank drained. When the water pressure reduces, the inlet and outlet water pipes should be disconnected. Nov 25, 2015

How do you drain a tankless hot water heater?

Steps to Drain a Tankless Water Heater Turn off the tankless water heater power source. … Close and turn off the water valves connected to your tankless water heater. … On each of the cold and hot water valves you’ll see purge valves. … Attach the hosing lines to each water valve. More items…

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Can a tankless water heater fill a tub?

Yes, usually. A tankless water heater can provide hot water indefinitely, which means it will fill up the tub. However, you still need to consider how fast the heater can provide the temperature of water you want. Faucets work by mixing in hot water with the cold. Feb 22, 2022

How much does it cost to replace a hot water heater with a tankless?

The national average for tankless water heater installation cost is around $2,800. Depending on the model, the units themselves usually cost between $500 and $2,000, with installation adding another $500 to $1,500. However, for large or specialty units, you may pay as much as $6,600 in total costs. Aug 8, 2022

What size tankless water heater do I need for a family of 4?

What Size Tankless Water Heater Do I Need For A Family Of 2, 3, 4, 5, Or 6? Number Of Family Members: Gas Tankless Heater Size (GPM) Electric Tankless Heater Size (kW) What size tankless water heater do I need for a family of 3? 7-9 GPM 15-23 kW What size tankless water heater do I need for a family of 4? 8-10 GPM 20-28 kW 3 more rows

What size tankless water heater do I need for a family of 2?

Sizing Guide for Residential Tankless Water heater Household Occupants Usage Capacity Required (Measured in Gallon) 1-2 people High 40-50 2-3 people Regular/Low 40 High 40-50 6 more rows

Is it better to have one large water heater or two smaller ones?

Greater efficiency can be achieved by installing multiple, smaller tankless water heaters throughout the home. Hot water is then drawn from nearby tankless appliances instead of being lead through the home’s entire plumbing system from basement to point-of-use.

How many showers can you get out of a 50 gallon water heater?

50 gallon water heater Considering an average shower uses 17.2 gallons of water you can typically have enough hot water for up to five people to take a shower within an hour. Aug 28, 2017

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Can you take a shower with a tankless water heater?

With a tankless water heater, you can take a shower, use the dishwasher, and do laundry all at the same time without losing hot water. On top of saving, you from the dreaded cold shower, it can also save you money and energy.

Is it worth it to buy a tankless water heater?

According to the U.S. Dept. of Energy, a tankless water heater is more efficient and uses less energy than a conventional water heater, providing a $25 to $107 in annual savings. If your hot water use is low (less than 41 gallons per day), a tankless water heater will be 24% to 34% more efficient. Jun 4, 2021

How many tankless water heaters does a house need?

For larger households that typically use more than 85 gallons per day, two tankless systems, or the largest available model, are likely needed. For smaller households that use under 40 gallons per day, one unit should suffice. Mar 15, 2012

How many fixtures can a tankless water heater handle?

Whole-House Tankless Water Heater For example, a unit may sufficient capacity to handle two shower fixtures at one time, or a dishwasher, kitchen sink, and lavatory hot water faucet at one time. Sept 5, 2021

What size gas line do I need for a tankless water heater?

¾-inch A typical tankless water heater will need a ¾-inch gas line. However, if there is sufficient pressure and the run length is short enough, a ½-inch line may be sufficient with certain tankless water heaters, such as the Noritz EZ Series. Nov 8, 2018

How hard is it to switch to a tankless water heater?

Tankless water heater replacement is a complex process that involves the skills of a highly trained technician. Unless you are experienced and comfortable enough to solder pipe, make gas connections and following local codes, hire a licensed professional.

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How noisy is a tankless water heater?

Gas tankless hot water heaters all make noise when firing up and heating water, but the levels are usually less than 90 decibels.

Do tankless water heaters use 110 or 220?

Voltage. To reduce the amp draw, all electric tankless water heaters operate on a 240-volt circuit.

Can my breaker panel handle a tankless water heater?

Do not use the same calculated amperage as your final size breaker for tankless water heater. Otherwise, you’ll risk accidents because there’ll be no protection for a power surge. The National Electric Code (NEC) states that a circuit breaker should only handle 80% or less of its total capacity. Oct 3, 2022

Which is cheaper to operate gas or electric tankless water heater?

Operating Costs Fuel Cost – Currently gas prices are lower than electricity in most areas. This makes the overall operating costs less expensive for a gas tankless water heater. Keep in mind that fuel prices vary in different regions. In some areas the price of gas is much higher than electricity.

What is the best brand of tankless hot water heater?

Maintain Your Water Temperature With the Best Tankless Water Heater 1 Bosch Electric Mini – Tankless Water Heater. 2 Rheem Tankless Water Heater. 3 Rinnai Natural Gas Tankless Water Heater. 4 Titan Electric Tankless Water Heater. 5 EcoSmart Tankless Water Heater. Jul 26, 2022

Resources

Where to Put Your Tankless Water Heater

Preparing Tankless Water Heaters For Winter

How to Drain a Water Heater (Updated Step by Step for Tank and Tankless) 

Can a Tankless Water Heater Fill an Oversized Bathtub?


https://www.thisoldhouse.com/plumbing/reviews/tankless-water-heater-installation-cost

What Size Tankless Water Heater Do I Need? (2,3,4,5,6 Family)

What Size Tankless Water Heater Do I Need?


https://www.eemax.com/2015/02/distributed-generation-when-two-water-heaters-are-better-than-one/

Water Heater Sizes


https://www.mrplumberatlanta.com/help-guides/never-run-hot-water-tankless-water-heater

Are Tankless Water Heaters Worth The Investment?


https://climatecontrolcompany.com/blog/tankless-water-heating-2/
https://www.thespruce.com/tankless-water-heaters-1824903

Tankless Water Heater Installation Tips. Things to Consider


https://www.homedepot.com/c/ah/how-to-install-a-tankless-gas-water-heater/9ba683603be9fa5395fab904246ec3f
https://todayshomeowner.com/problem-with-noise-from-tankless-hot-water-heater/

How Many Amps Does A Tankless Water Heater Use? (42-167 Amps)

What Size Breaker for Electric Tankless Water Heater?

Gas vs. Electric Tankless Water Heater: Which is Best?


https://www.oldhouseonline.com/review/best-tankless-hot-water-heater/

About the author

Robert Flores