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Tankless Water Heaters

The chief advantages of tankless water heaters are a continuous flow of hot
water and energy savings. Tankless water heaters heat water directly without
the use of a storage tank. Therefore, they avoid the standby heat losses
associated with storage water heaters. When a hot water tap is turned on,
cold water travels through a pipe into the unit. In an electric tankless
water heater an electric element heats the water. In a gas-fired tankless
water heater a gas burner heats the water. As a result, tankless water
heaters deliver a constant supply of hot water.

Adults generally prefer shower temperatures of 105–120 °F (40–49 °C),
requiring the incoming cold water temperature to be raised about 55 °F
(30 °C) or more, if the hot water is later mixed with cold water.

Typically, tankless water heaters provide hot water at a rate of 2 – 5
gallons (7.6 – 15.2 liters) per minute and, gas-fired tankless water
heaters will produce higher flow rates than electric tankless water heaters.

Typical Flow Rates in Gallons per Minute (gpm)

Fixture Type: Lavatory Bathtub Shower Kitchen Sink Dishwasher
Flow Rates : 0.5 2.0 – 4.0  1.5 – 3.0        1.0 – 1.5       1.0 – 3.0

Use a “whole house” type tankless water heater, (or you can install two or
more tankless water heaters, connected in parallel), for simultaneous,
multiple uses in large households. .

You can also install separate “single point” of use tankless water heaters
for areas such as dishwashers that use a lot of hot water. Or a bath and/or
shower located so for from the water heater, it takes longer for the water
to heat up than for you to shower.

Other applications for tankless water heaters include the following :
– Outdoor sinks
– Poolhouse or pool shower
– Remote bathrooms or hot tubs

For homes that use 41 gallons or less of hot water daily, tankless water
heaters can be 24% – 34% more energy efficient than conventional storage
tank water heaters. They can be 8% – 14% more energy efficient for homes
that use a lot of hot water, around 86 gallons per day. You can achieve
an even greater energy savings of 27% – 50% if you install a tankless water
heater at each hot water outlet.

Price range from $250.00 and up. Unless you can catch a sale and there is
a lot of that going on.

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3 Responses to “Tankless Water Heaters”

  1. Diane Says:

    Now that’s what I call information! After your last post, I pulled tankless water heaters up online, but got mostly specifications that were greek to me, LOL! So this helps tremendously – I now “get it.”

    Do you have the link to anything you’d recommend? Just curious 🙂

  2. Barbara Swafford Says:

    Hi Linda,

    I noticed you mentioned the tankless water heaters in your last post, and that made me curious. I’m glad you continued on with this information as our tank hot water heater will have to be replaced soon. I’m thinking tankless would be the way to go.

    I love the cost and space savings.

    Barbara Swaffords last blog post..Interview With Lorelle VanFossen – Part 2 – Errors Bloggers Make

  3. Linda Says:

    Hi Diane … I just about have one so hang in there!

    Hi Barbara … If you could just hang in there, I believe I have a good place for you to go too! They are a very clear cost saving to a home.

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