Stiebel Eltron Tempra Tankless Water Heaters

Stiebel Eltron is a manufacturer of several popular tankless hot water heater models. While some manufactures focus on just whole house water heaters, Stiebel Eltron makes a full line of models that can find several uses in your home.

Stiebel Eltron has several makes and models, all under the Tempra series name. Since Stiebel Eltron doesn't really roll of the tongue, its probably a good idea that they market tankless water heaters under the Tempra name. All of these models are controlled with a thermostat, and they certainly can be described as advanced machinery in the world of tankless water heaters.

One nice feature with the Stiebel Eltron tankless water heater is that the heater is designed to monitory the temperature of the water that is coming in to the unit. The customers requested flow rate is then converted by the heating element built in on the water heater to heat the water to whatever temperature you request. This temperature setting can always be changed by the user to meet their own specific needs.

Some of the other advantages of a Stiebel Eltron Tempra model include on-demand hot water, it will never run out, no matter how many people need to use the bath or shower. Since there is not the need to constantly reheat water in a tank, your water heating costs are reduced by as much as 50%. The Tempra's sleek and compact design saves space over a tank heater. Tankless heaters are also less likely to leak, crack, or rupture. Because the maximum temperature can be regulated, the risk of scalding injuries to children can also be reduced substantially.

Stiebel Tempra tankless heaters also maintain their efficiency throughout the service life of the heater, while tank heaters continue to lose efficiency as the years go by. Tempra water heaters are also more resistant do different water problems like sediment, mineral, and hard water issues. Finally, tankless heaters like these have a longer service life, often between 15 and 20 years.

As mention, several Tempra models are available to fill almost any need. Both of point-of-use and complete home residential tankless heaters are available. Heaters designed for commercial use are also available. Top of the line, heavy duty Tempra series water heaters can put out quite a bit of hot water. According to the company, these units can produce up to 7 gallons per minute (GPM) of hot water, depending on the incoming water temperature. Warm climates have an advantage over colder areas of the country, as the water is much warmer as it enters the house.

Even in cold climates, you should be able to get 3-4 gallons per minute of hot water during the winter. Stiebel Eltron Tempra heaters thus provide hot water on-demand, and also offer energy savings of between 30 to 50% when compared side-by-side with a regular tank water heaters.

If your worried about the company's reputation, don't be. These are recognized as superior electric tankless water heaters. Stiebel Eltron tankless water heaters have a full warranty as well at technical support. The company has been in business since 1924 and has more than 2,200 employees worldwide.

One additional point is that the company only makes electrical tankless water heaters, no natural gas or propane models here. While the monthly operating cost may be more with an electrical model, they generally cost less up front, and installation is easier to accomplish. No special venting requirements exist with a Stiebel Eltron tankless water heater.

Point of Use Tankless Water Heaters

What are point of use tankless hot water heaters, and why would you consider installing one in your house?

A point-of-use tankless water heater is a small unit that can be installed right next a sink where you need hot water. They can also be used for hot water in a shower or bath, though the flow rate may not be sufficient for a bathtub depending on the power of the unit.

So what is the purpose of using a tankless water heater like this? One situation where this might be a good idea is when you are in a part of the house that is extremely far away from the main water heater. If it is taking 45 seconds to a minute for you to get hot water, it is often because of the “run” of the plumbing. When the run is extremely long, you wait and wait for the hot water, meanwhile you're wasting water down the drain. Install a point of use water heater under the sink and your good to go. Now of course your going to pay more for electricity, but you will save on your water bill.

These point of use heaters can truly be called instantaneous or demand water heaters as it is usually just a few seconds before you have hot water. These point of use heaters thus eliminate what is referred to as standby loss.

Another application could be in the kitchen, but with a word of warning. A demand hot water heater can be installed under your sink and thus provide very hot water when needed for cooking or for making hot beverages. The problem here is the risk of scalding, as these heaters can pump out extremely hot water. Check the temperature settings on these heaters, because they can produce water with temperatures between 170-180 degrees. Many manufactures have built in anti-scalding control systems, so that the water will not exceed 125 degrees. Obviously this is a must have if you have children in the house. In fact, the electronic control systems are generally standard on these point of use devices, so if you want something that does produce extremely hot water, you may have to do a little shopping.

There are several manufacturers of these mini tankless water heaters, there shouldn't be much difficulty in finding something for $200 dollars or less.

Major manufacturers include:

PowerStar

Steibel Eltron

Bosch Ariston

Titan

Bosch Aquastar

Bosch Powerstream

Eltron DHC

Overall, a point of use tankless water heater can certainly make life easier when installed in the right situation.

Rinnai Tankless Water Heaters

Rinnai is one of the major tankless hot water manufacturers in today’s market. Rinnai focuses on the gas tankless water heater market, making both LP (propane), and natural gas fired heaters.

So obviously the first thing you should check before you look at a Rinnai tankless water heater is whether you have either a natural gas or propane connection. If your not sure, you can check with your local utility company and they can help you.

Rinnai became fairly well know in the last few years after adverting extensively on the Rush Limbaugh show. Rinnai mainly designs tankless hot water heaters for whole house applications. Their top of the line model can deliver 9.5 gallons of hot water per minute, so obviously it is a powerful unit. Thats enough water to take a shower, run a dishwasher, and wash a load of clothes all at the same time. And even when your done with that, the hot water will still keep coming.

Rinnai tankless water heaters are also more efficient than traditional water heaters because of their design. A traditional water heater continually eats up energy, as the water in the storage tank must constantly be reheated. With a Rinnai heater energy is used only when you use hot water. Thus depending on the cost of energy in your area, you may save up to 50 percent off your traditional water heating cost by upgrading to a Rinnai tankless heater.

Another nice thing about Rinnai tank is that it is much smaller than a traditional water heater that has a large 40-50 gallon tank. Rinnai tankless heaters are about the size of a suitcase, and can be mounted either inside or outside your house. This can save you floor space in your basement or attic where a regular water heater would regularly sit.

So how does the Rinnai tankless water heater work? As mentioned, there is no tank, thus the smaller size. The Rinnai system is attached in-line with the current plumbing system, generally somewhere near where the main water line enters the house. When a tap is turned on asking for hot water, the Rinnai system kicks on and water flows through a heat exchanger. While it takes a little bit longer to actually get hot water to the tap when comparing to a traditional water heater, the difference is usually negligible.

So if its time to replace your old system, definitely check into a Rinnai tankless water heater.

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Tankless Water Heaters

Tankless hot water heaters are becoming popular as more people see the advantage of “going tankless.” So why consider a tankless water heater?

There are several advantages in using an on demand water heater. The main advantage is an increase in energy savings, and a corresponding reduction in your energy bill. This is because a regular water heater is constantly turning on in order to heat the water inside the storage tank, whether you are using it or not. As the water cools and energy is lost, the hot water heater has to work to heat it back up.

This is called standby loss, the energy lost from the water sitting there. Most people will save about 20 percent off their water heating bill by installing a tankless water heater. Estimates place the water heating portion of your energy budget at about 15 percent of your total energy cost, so you can see how this is a significant cost.

Another advantage of a tankless hot water system is the availability of unlimited hot water. The heating mechanism is activated by the flow of water, so when you or your family demand hot water, the system can produce it for as long as you need it. The only limitation is based on the size of the tankless heater you install. Whole house systems generally produce between 3-5 gallons of hot water per minute. Compare that to a 40-50 gallon standard heater that most houses have.

There are two types of tankless hot water systems, electric and gas. Electric tankless water heaters are generally smaller, and designed for a point of use application. This means is can be used for just one area in the house. Gas tankless water heaters can be used for the whole house provided a large enough heater is installed. Instantaneous water heaters like this are either natural gas or propane powered, and should be installed by a professional.

Costs are of course another consideration. Tankless water heaters generally cost 2-3 times as much as a traditional water heater. Add to that installation fees which are higher as well. The higher initial cost is offset by a lower energy bill. Dealers can do the math for you based on your current energy and water bills. They can also explain what the major manufacturers such as Rinnia, Titan, Bosch and Noritz have to offer. Expect to save in the area of $50-100 per year when using a whole house tankless water system.

Most tankless systems will last upwards of 20 years. Compare that to a traditional water heater which generally has a life span of 10-15 years. That is another factor to consider when looking into buying a tankless hot water heater.