Are electric tankless water heater worth it?

Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.

What is the downside of an electric tankless water heater?





The Cons of Tankless Water heaters:



Con: High Upfront Cost of the Unit and Installation. Con: Take Longer to Deliver Hot Water. Con: Cold Water Sandwich. Con: Inconsistent Water Temperature When Multiple Outlets Are in Use.

Can you have a tankless water heater with electric?

Tankless water heaters are available in both electric and gas-fired versions.

What are the electrical requirements for an electric tankless water heater?

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

  • Overall power or wattage. Electric tankless water heaters can have a power input from 10,000W (10 kW) to 40,000W (40 kW).
  • Voltage. To reduce the amp draw, all electric tankless water heaters operate on a 240-volt circuit.


Do electric tankless water heaters work in cold climates?





Tankless water heaters are a good option for homes located in both warm weather and cold weather climates. However, there are several factors that can play into how well the heaters work in chillier climates.

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

What are the pros and cons of an electric tankless water heater?

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.

Can a tankless water heater flood a house?

But because tankless water heaters don’t actually store water at all, the risk of flooding is tremendously reduced (although damaged pipes still pose a potential risk).

Which water heater is better tank or tankless?



According to Energy.gov, β€œFor homes that use 41 gallons or less of hot water daily, demand (or tankless) water heaters can be 24% to 34% more energy efficient than conventional storage tank water heaters.” Tankless water heaters (if gas-fired) will save homeowners over $100 annually the longer they remain in service.

Does a tankless water heater need its own breaker?

A tankless water heater will require a dedicated circuit as specified by the installation manual of the unit that has been selected. If you need additional space in the panel for the circuit breaker then a quad circuit breaker may be allowed as specified by the make and model of the panel.

What size breaker do I need for a tankless water heater?

A gas tankless water heater only needs a 15-amp, 120 volt dedicated single-pole breaker for this purpose.

Do you have to rewire your house for a tankless water heater?



In summary, no, you don’t have to run new wire. But running new wire may end up costing a lot less. The tankless heater will be running at 240V already, guaranteed, so this doesn’t help you at all.

How do you plumb an electric tankless water heater?

How to Install a Tankless Electric Water Heater: A 10-Step Guide

  1. Step 1: Cut circuit breaker and water supply.
  2. Step 2: Drain water heater.
  3. Step 3: Remove front cover.
  4. Step 4: Mount water heater.
  5. Step 5: Connect pipes.
  6. Step 6: Install flow and pressure valves.
  7. Step 7: Bleed hot water system.

Do electric tankless water heaters need a vent?

No. Unlike gas tankless water heaters and gas traditional tank style water heaters, electric tankless water heaters do not require any venting. This is often one of the deciding factors when choosing whether you should purchase a gas or electric tankless water heater.

Why is tankless water heater installation so expensive?

Tankless water heaters have a higher initial price compared to tank heaters, costing homeowners between $1,200–$3,500. The higher cost is a result of a more labor-intensive set-up, as new gas and water lines are required for installation. For electrical tankless heaters, new electric wiring will need to be installed.