What size tankless electric water heater do I need?

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

A family of 4 should look for a tankless water heater that can produce 7 gallons of hot water per minute. Most families use about 6.5 GPM during peak times. To determine the tankless water heater size, you’ll need to know how many appliances your family will use simultaneously.

What size tankless water heater do I need for a family of 3?

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 2? 6-8 GPM 10-18 kW
What size tankless water heater do I need for a family of 3? 7-9 GPM 15-23 kW

How do I know what size electric water heater I need?

But if you only need a loose estimate of what size you need (versus an exact calculation), follow these guidelines:

  1. For 1 to 2 people: 30-40 gallons.
  2. For 2 to 3 people: 40-50 gallons.
  3. For 3 to 4 people: 50-60 gallons.
  4. For 5+ people: 60-80 gallons.
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How do I know which tankless water heater to buy?

When buying a tankless water heater, take into account the size of your house, the water flow rate of your faucets, the temperature of the water before it heats up and how hot you want your water to be. With those calculations, a Lowe’s associate can help you find the best tankless water heater for your home.

How big of a water heater do I need for a family of 4?

A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people.

What size water heater do I need for a family of 5?

If your family size is 5 or more, you’ll need an 80-gallon tank (electric) or a 50-gallon tank (natural gas or liquid propane).

How many tankless water heaters do I 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.

How much does a 10 gpm tankless water heater cost?

You can get the 199,000 BTU of heating power for less than $1,000. To put it in another perspective, the average price for a 10 GPM gas tankless heater should be about $1,000.

How much does it cost to have a tankless water heater installed?

A tankless water heater costs about $2,258 to install, or between $1,175 and $3,365, but labor rates vary. Tankless model prices vary by brand, type and flow rate. The best way to budget for a new tankless water heater is to compare quotes from local contractors.

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What brand of tankless water heater is the most reliable?

Plus, don’t miss our roundup of top-favorite picks below!

  • BEST OVERALL: Rinnai RU160eN.
  • RUNNER UP: Rheem 240V Tankless Water Heater.
  • BEST ELECTRIC: Stiebel Eltron Tankless Heater – Tempra 36 Plus.
  • BEST PORTABLE: Hike Crew Portable Propane Water Heater.
  • BEST POINT OF USE: ECOTOUCH Tankless Water Heater.