Tankless Water Heaters

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tankless water heaters

Tankless Water Heater Repair and Installation

ACS Plumbing Repairs and Installs Tankless Water Heaters.

Tankless water heaters are a more recent technology which allows water to be heated only as you use it, thereby saving energy and money. Tankless water heaters can be either gas or electric. Why go tankless? This guide, made by our experts, will help you narrow down your search for the perfect tankless heater for your family. Our Expert plumbers will help you through the process of choosing the best Tankless water heater.

Repair and Installation of all brands and models of Tankless Water Heaters, including:

AO Smith

How Tankless Works:

Unlike traditional storage tank water heaters that require energy to constantly heat several gallons of water all day long, the tankless water heater has a sensor that only heats the water when the hot water faucet is on. It heats water instantaneously through a heat exchanger. Enjoy this easy-to-understand video on how tankless water heaters work.


Tankless water heaters use less energy than conventional tank water heaters, which are always on whether they are being used or not to continually keep the water heated. Unlike storage tank water heaters, they only turn on when needed.

They take up less space than standard electric and gas heaters, which makes them ideal in apartments, condos and small homes. They have a longer life span. It activates only as needed. There is no storage tank to keep heated.

And there is no danger of flooding.


Tankless water heaters cost more than gas and electric water heaters. Installation costs are significantly higher for tankless water heaters as opposed to storage tank water heaters.

Current residential tankless water heaters are not able to keep up with large amounts of hot water required for simultaneous duties in larger households. For instance, it may not be able to provide hot water for the dishwasher, shower and washing machine to all be going at one time.

When cooler water comes in through the unit in the winter time it may not be as hot as when the water is tepid.

Features to consider:

You will want to look at capacity when selecting a tankless water heater which will tell you how many household duties the water heater can service at one time.

Consider how many gallons per minute can be heated with a decent temperature rise. Temperature rise refers to the degree difference of cold water coming in through the tank and the hot water going out of the tank.

Certain tankless water heaters are made to be installed inside the house and others are made to be installed outside.

Temperature limit devices on tankless water heaters will prevent the water from getting too hot.

A temperature lock will prevent accidental changes to water temperature settings.

Gas tankless water heaters should have flame failure prevention safety features.

Problems that occur with age:

The heat exchanger can clog or fail on a tankless water heater, but there is no risk of tank failure since there is not a tank on the unit.

Every year a tankless water heater will need to be flushed because sediment such as lime builds up in the unit. That is the only maintenance required.

It is important to keep in mind that they are durable and have the longest life span of any of the water heaters.