A Guide to High Capacity Tankless Heaters

Home ownership comes with reoccurring costs, like appliances that wear out, usually at an inconvenient time. The up side can be that a new replacement comes with improvements, including energy savings. Like the new high capacity tankless hot water tank that is going to replace your old tank heater.

There are more and more articles appearing in the press and magazines about this new way of heating hot water. Some of what you've heard may be misleading or confusing and could be costly if you if don't know what makes a tankless hot water heater different from its competitors.

Look for sources, like forums, where people get to get to share home improvement experiences. Use these sources to gather your own information rather than accept information from "knowledgeable sources" as right for you. Another place to do this is manufacturer's sites, which have useful tables, charts and maps for helping customers make the right decision.

One of the things you will see, if you check the Energy Star ratings, is that they vary all the way from 60 percent for tank type water heaters to 99 percent efficiency for electric tankless heaters. Let's see how this works out for a high capacity heater.

If you have above average needs for hot water, you should probably look to natural gas to power your high capacity tankless heater. This is where you will find the capacity to take on 2 or 3 showers at one time. It is helpful to make changes like this when building a new home or renovating, but compact tankless heaters are suitable for most any situation. They are unobtrusive in just about any environment.

This level of performance, of course, requires a high gas flow rate to heat so much hot water. Look to sellers of tankless water heaters to post gallons per minute and Btu figures with each model, which you can use to do a cost of capacity assessment. For example: 7gpm of hot water will require about 3.3 cubic feet of gas per minute. Use your utility bill to get an idea of your annual cost. Keep in mind that winter weather can reduce this output by half.

Whether you choose gas or electric, keep in mind that they both come with special needs. Because of their on-demand design they have high-energy requirements. For a gas unit this could mean going to a 1-inch gas pipe if it's a long distance to the heater or if there are other gas appliances sharing this line. There is also the need for special venting.

There are savings from switching over from a tank to tankless water heater. If you are replacing a 12-15 old model, you will probably see an improvement in efficiency rating of 40 percent or more. To find the true value of a new tankless heater you need factor in the initial cost of the unit plus the estimated energy cost over the life of the heater. Along with savings, look to tankless technology to bring you many enjoyable years of continuous hot water.

Refer to this site for detailed how to install a tankless water heater instructions.

Follow this link for more info on choosing the best high capacity tankless hot water heater

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