Knowledge Base

What is the best tankless water heater?

We receive emails all the time asking what is the best tankless water heater? I wish I could give you a simple answer, but I can’t. There are some water heater manufactures which put out a really good product and then there are some which put out an ok product.

What is the warranty on a tankless water heater?

Since the average life span of a tankless is a20-25 years, you will want to find the longest warranty out there. Most manufactures run between 10-15 years on the heat exchanger. A.O. Smith has a 15 year warranty were as Rheem only has a 12 year warranty on the heat exchanger.  In most cases the heat exchanger is the most expensive part to replace on a tankless unit.  However, If you have hard water, then the warranty might be worthless.

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Our main focus is to provide you with the best tankless water heater reviews, but there are some tidbits of information we would like to share with you. The perceived performance of your water heater has a direct correlation to the location in which you install it.

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Quite frequently we receive questions from home owners asking why their current hot water heater venting will not work with a new tankless water heater. When you are reading tankless water heater reviews you will want to know if it’s a non-direct vent or a direct vent. This will have an impact on which unit and where you can have the unit installed.

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Below is a list of frequently asked questions (FAQ) we receive from readers about tankless water heaters

What is a tankless water heater?

Conventional water heater has a holding tank, typically 40-50 gallons, which holds water which has been heated to the desired temperature.  A tankless is exactly what the name implies there is no storage tank to hold the hot water.

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I received and email the other day from a reader who was upset that he didn’t get instant hot water from his tankless water heater. There are 2 things you have remember about tankless water heaters. First, it takes a couple seconds for the unit to get to full operating temperature and literally it is just a few seconds.

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About once a week we get an email asking about modulating tankless water heater.

Modulating is basically matching the burner output to the demand. A good analogy is a car. Your car has a wide range of speeds. You control the speed by the gas pedal. You want to go faster you step on the accelerator resulting in burning more gas. A modulating tankless works in the same since, but instead of “speed” its hot water. When you need more hot water your tankless burns more gas.

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If you are looking at updating your hot water system, or are simply sick of always running out of hot water half way through a shower, then a tank-less water heater could be just what you need. By only heating up water when you need it, you will have hot water on tap at all times, and you will save money too.

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You need to consider some important factors associated with tankless water heater installation, in order to get maximum benefit. These factors includes gas line size, demand for hot water in you home, cost and warranty, location area, venting, size of water inlet, installation and upkeep, source of power, and advantages and disadvantages associated with them.

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