Low Cost Water Heater Efficiency Upgrades

As energy prices have risen over the last decade,3. Often water heaters will fill with sediment from the
everyone is seeking ways to reduce energyincoming water supply. This sediment will collect in the
consumption in an effort to save money. Moreover,bottom of the tank and reduce the overall capacity
consuming less energy has become mainstreamof your water heater. To remove this sediment,
through the "greening" of America. Eco-friendlysimply attach a hose to the hose bib at the base of
solutions have been developed by engineers rangingyou water heater and drain the tank completely. Be
from automobiles to power plants to households.sure to have shut off the power or fuel supply and
Throughout the early part of this decade thethe incoming water supply before doing this exercise.
prospering American economy led to thousands ofOnce the tank has been drained, turn the incoming
new homes being built and many others renovated.water supply on while keeping the hose bib open
Energy Star appliances were the fashionable choice inallowing the tank to be completely flushed of all
new construction and renovation as the very hungrysediment.
homebuyer market forced many homebuilders toMinimize Heat Loss from the Water Heater to the
install the most eco-friendly appliances as available toPlumbing Fixture
attract buyers to their homes. Recent economic1. Although this is an obvious recommendation, often
events and the ensuing recession has stalled thetimes it is one that is neglected or not saw as a
homebuilding industry and halted renovations. Thismajor energy draw. The most obvious thing to
does not mean, however, that Americanconfirm when minimizing heat loss is that no faucets
homeowners are not still seeking energy savingor fixtures are leaking. There are many who believe a
solutions within their home. With the current state ofdrip here and there does not add up but it does, to
the economy, replacing your existing appliances withthe tune of five gallons a day or one hundred fifty
a high efficiency or Energy Star certified type maygallons a month, which is the equivalent to three or
not be financially possible. Let's focus on solutionsmore full tanks of hot water. A fifty cent seal can
with your existing appliances.usually save you one hundred fifty gallons of hot
There are several energy consuming appliances withinwater per month.
the household, but the focus of this text is the hot2. Consider insulating the hot water supply lines
water heater. Whether you have an electric, naturalbetween the water heater and the plumbing fixture.
gas, or propane water heater there are things thatIn all likelihood, the vast majority of the hot water
you can do to save energy and ultimately save onpiping within your home will be buried inside walls and
your utility bill. It stands to reason that the best wayfloors. This piping will not easily lend itself to being
to save energy is to reduce the amount of electricityinsulated, thus it is not recommended to begin
or fuel gas used by your hot water heater, maximizeremoving wallboard to access this piping. Where you
the efficiency of the conversion of fuel to heatedneed to focus is piping which is exposed, especially if
water, and minimize heat loss from the hot wateryour water heater is located in your garage or an
heater to the plumbing fixture using hot water.unheated space.
Reduce Amount of Electricity or Fuel GasInsulating the piping is simple, simply procure closed
Consumptioncell preformed piping insulation from any home
1. Reduce the holding temperature of the waterimprovement store and slide over the piping. The
heater by dialing down the thermostat to thetricky part is the 90° corners. The trade secret
manufacturer's recommended setting of 120°F.is to remove a pie shaped piece with a utility knife at
Many homeowners keep their hot water heater'sthe inside part of the corner allowing the insulation to
thermostat dialed past the standard set point asbend around cleanly. At the corner simply make one
defined typically by the solid mark on the thermostatwrap with electrical tape and you are good to go.
knob on the lower side of the water heater.3. If your water heater rests on a concrete slab or
Remember, many appliances such as dishwasherspad, consider installing an insulating pad between the
have internal heaters which heat the water tobase of the water heater and the concrete pad. On
160°F for sanitary reasons.a side note, if you do not currently have a drain pan
2. Consider installing low-flow type shower heads andunderneath your water heater now is a good time to
aerators. Although the term low-flow has beeninstall one. You will probably have a difficult time
shunned by homeowners in previous low-flowobtaining an insulating pad, as they are not a shelf
plumbing fixtures, manufacturers have now produceditem and have been overlooked for years as a
fixtures which retain sought after pressure usingmeans to save energy. An insulating pad is simply a
between 10-50% less water.piece of high load polystyrene insulation. By placing a
3. Only wash full loads in your washing machine.1 ½" piece of high load polystyrene insulation at
Washing machines use large volumes of hot water,the base of your water heater you now have an
between 5-30 gallons, which can provide seriousR-10 insulation barrier mitigating the heat sink effect
demand on your home's water heater.of the concrete slab.
4. Use the cold-cold selection with your washing4. It is not recommended that an insulation jacket be
machine taking advantage of new laundry detergentsinstalled over top of the water heater storage tank.
designed for cold water only by Tide. This will reduceThe reality is your water heater has a closed cell
the total hot water consumption in your home by atpolyurethane insulation layer installed between the
least 10% depending on the size of your household.inner storage tank and the outside metal closure
Maximize the Efficiency of Raw Energy to Heatedjacket. This is premium grade insulation which is
Watersuperior to the batt insulation jacket sold in home
1. If you have an electric water heater, considerimprovement stores. This jacket is 1" batt insulation
replacing the heating elements even if they stillwhich has an R-value of approximately 3, which once
functioning. In many areas the incoming water supplyyou account for the air gaps is really 1 to 2.
if "hard" or contains lime/calcium which adheres toUnderstanding the minimal insulation gain, it is apparent
the heating elements and significantly reduces theirthe insulation jacket is not a worthwhile installation.
efficiency. This is a simple task and can be a D-I-YTaking advantage of all or some of these
depending on local code and your mechanicalrecommendations will yield energy savings and save
inclination.money on monthly utility bills. Many of the
2. If you have a natural gas water heater, considerrecommendations will require only your elbow grease
having a licensed plumber do a routine cleaning of theand inexpensive materials, a worthy investment when
burner and tune it to maximum efficiency. This isyour budget is tight. Once your existing water heater
should be no more than a $100 job and willefficiency is maximized, move on to other appliances
immediately pay you back in energy savings.using the same principles.