What Kind of Water Heater Do I Need?

Whether you are buying a hot water heater forAn undersized tank on a house would not be
the first time, or replacing an old hot waterdesirable as a selling point and may even prevent
heater, there are some factors that you definitelythe home from passing Inspection. All this being
should keep in mind when shopping, such as:said, keep in mind that if you do decide you need
a larger water heater, the space where you are
How much room do you have in the space wheregoing to be putting the tank must be adequate.
you will be installing the water heater?Hot water heaters range in size from 20 to 80
You want to make sure that you don't buy agallons, but the most common sizes used are
water heater that is too large to fit in the space40-50 gallons.
you have available. So, it would be good toAs a general rule of thumb, you can go by the
measure the space available and bring thesenumber of people in your household to determine
measurements with you when you are shoppingthe w. heater that would most likely be required
for the new water heater.under normal demand circumstances. Normal
demand capacities are based on a home with
Does your water heater need to be electric, gas,typical appliances, such as a washing machine,
or propane?dishwasher, and normal sized bathtubs. It would
Most water heaters are either electric or gas, andbe considered an extra demand, or more than
they are not interchangeable. So, be sure the unitnormal demand, if you had a home with a hot
you buy is designed to work with your energytub, spa, over-sized bathtub, children over the age
source.of twelve (teenagers can use a lot of water), or
Choose a water heater that is Energy Efficient.even small children (large amount of laundry). For
A very high percentage of a household's energya family of 1 or 2, under normal circumstances, a
costs go toward heating the family's hot water.40 gallon tank should be sufficient. More than
The average American family uses an amazingnormal demand would probably require a 50 gallon
amount of hot water. Twenty five percent ortank for 1 or 2 people. If your family has 3 or 4
more of a family's energy expenses come frompeople, then a 50 gallon tank would usually suffice
just the cost of running the hot water heater.under normal circumstances. For a greater
Therefore, when you are selecting which hot w.demand, then a 50 gallon gas water heater would
heater to buy, it makes a lot of sense to buy theprobably still be sufficient, but if your tank is
most energy efficient model possible. Even if thiselectric, you might consider an 80 gallon heater.
efficient model costs a little bit more in theGas heaters are usually able to heat up the water
beginning to purchase, it will save a lot of moneyin a tank faster. And, finally, if your family has 5
in the long run. Most retailers who sell hot wateror more people, then a 50 gallon gas heater is
heaters will post a sign on each unit that tells youprobably still adequate under normal
how much energy it pulls, as well as the averagecircumstances. If your tankis electric, then an 80
yearly cost of running the unit. This information isgallon heater would be recommended under
called the Energy Factor (EF), which is calculatednormal demand. If you are in a situation where
after a mandatory evaluation done on all wateryour demand would be more than normal, then
heaters. It takes into account usage, standby loss,go to a 75 gallon gas tank, and perhaps even a
insulation, etc. Since the "Energy Star" rating has120 gallon electric, if the space you have available
not yet been applied to hot water heaters, youfor your hot water heater is large enough to
will want to use the EF (Energy Factor) rating, asaccommodate. Remember, you want to buy the
well as individual information on energywater heater that will do the job NOW and in the
effectiveness that is posted on each unit. SimplyFUTURE. So keep in mind what your future
compare numbers from one unit to another.requirements will be.
Choose a water heater with a good warranty.Choose the proper method of installation - Use a
Since so many manufacturers have cut costs toProfessional Plumber.
lower the expense the manufacturing process,Installing the water heater is not a job for the
most w. heaters today will not last much longerlayman. It involves plumbing work, as well as gas
than their warranty. So go for the heater withor electric work. Mistakes in installation are one of
the longest warranty. But just a long warranty inthe most common causes of injury and water
itself is not a protection. You also have to look atheater failures, so this job is best left up to the
the warranty exclusions. Sometimes theseprofessionals. Installation also involves a knowledge
warranties have fine print. So it may look like aof current local code ordinances to make sure the
great warranty on the outside, but then the finetank is installed in such a way as to pass those
print could say that the causes of most hotcodes for that area. For instance, if you live in
water heater failures are notcovered.Dallas, TX, you would definitely want to use a
Choose the right size of water heaterDallas plumber who is familiar with the codes for
Finding the right size of water heater to matchthat area. Also, they would be familiar with the
your family's needs is important. If you choose awater quality of Dallas and any unique
w. heater that is too small, you will find that justcharacteristics. Dallas is known for its hard water,
as you lather up the shampoo in your hair thefor example. This can cause premature rusting
water turns cold. But if you choose a tank that isinside your w. heater. An experienced Dallas
way too big, you will have a higher thanplumber would take special precautions to extend
necessary utility bill each month to heat up thethe life of your w. heater and avoid any
tank. You can ask yourself now if you frequentlyunnecessary rusting and corrosion. They might
run out of hot water. If so, then check the sizesuggest that you add certain inexpensive
of your current water heater, and you will knowenhancements to your w. heater to help resist
that you are going to require a larger size. If thepremature rusting. So, bottom line, if you live in
size you have now seems to do the job, thenDallas, you need to enlist the help of the best
ask yourself what your FUTURE needs are goingDallas plumber to install, maintain, and inspect your
to require. Remember, you are buying one w.water heater on a regular basis. Likewise, if you
heater for life, so you must consider if the familylive in any other city, you should hire a local
is going to expand in the future, or if you plan onplumber who has many years of experience as a
buying a hot tub, spa, jacuzzi or over-sizedprofessional in that local.
bathtub in the future. Are you a laundry heavyThese questions discussed above are not meant
family? Any additional future needs must beto discuss every possible situation and
considered when sizing your hot water heater.circumstance, although they should definitely give
Even if there are only 2 of you in the home now,you some guidelines in selecting the right w.
and maybe it's a 4 bedroom home and you haveheater for your particular needs. For further
no intention of growing your family or increasingdirection and guidance, ask a respectable and
your water needs, it is always recommended thatknowledgeable plumber in your area. They will be
you size the water heater for the house, in caseable to share a wealth of information and make
you ever decide in the future to sell this home.professional recommendations.