Are electric tankless water heaters as good as gas?

What is the downside of an electric tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won’t produce enough hot water to serve most households. They’ll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.

What are the pros and cons of electric tankless water heaters?

Are Tankless Water Heaters Worth It? 10 Pros and Cons

  • Pro #1: Instant Hot Water. …
  • Con #1: Inconsistent Temperatures. …
  • Pro #2: Longer Lifespan. …
  • Con #2: Higher Initial Cost. …
  • Pro #3: Lower Month-to-Month Costs. …
  • Con #3: Limited Hot Water Supply. …
  • Pro #4: Space Savings. …
  • Con #4: Additional Equipment is Often Necessary.

Are electric tankless water heaters unreliable?


When you turn on the shower, you want to have hot water—every time. That’s probably part of the reason you’re switching to a tankless water heater. … On the other hand, electric tankless water heaters are more reliable in that they need less maintenance and usually need fewer repairs over their lifespan.

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Do tankless water heaters increase electric bill?

Example: A 10 min scorching hot water shower will increase your electricity bill by no more than $1. Most households use less than 41 gallons of water per day. 24% – 34% is quite a lot of energy savings.

Tankless Water Heater Electricity Usage By Hour.

Wattage Of Electric Tankless Heater Cost Per Running Hour
30 kW $3,96

Are electric on demand water heaters worth it?

The big advantage of tankless water heaters is that they use less energy since they only heat up water when you need it. You can save hundreds on your energy bill each year. Because they don’t waste power, you can also enjoy the fact that your home will be more sustainable and eco-friendly.

How much does it cost to install a tankless electric water heater?

Electric. Electric tankless water heaters are less expensive to install than natural gas or propane heaters. They typically run between $800 and $1,500 to install, and since there is no need to vent to the outside, the installation is not as complicated.

What size tankless water heater is needed 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

Do tankless water heaters have more problems?

More Can Go Wrong Than Right

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With so many wires and small parts, tankless hot water heaters can have a long list of possible problems. The air supply and specialized exhausts have a tendency to get blocked, which usually makes the device shut down.

Why is tankless water heater bad?

In addition to high upfront costs, tankless water heaters have several other disadvantages compared to tank-style water heaters: they take longer to deliver hot water. the water temperature is inconsistent when multiple outlets are on simultaneously. they cannot provide hot water during a power outage.