| Things that make our lives more
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| | with a traditional circulating system.
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| convenient usually are not good for our
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| | With such a system your plumbing system
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| environment and things good for the
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| | is like a giant radiator and you are
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| planet are detrimental to our comfort.
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| | radiating heat out of your hot water
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| For example, water saving shower heads do
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| | piping, which your water heater must
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| not make for great showers. Gas
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| | replace, burning gas or electricity which
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| efficient cars don't go as fast. Water
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| | in turn is creating more greenhouse
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| saving toilets don't flush as well as the
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| | gases.
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| old inefficient ones. Even energy
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| | There are however, some types of hot
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| efficient light bulbs don't seem to put
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| | water delivery systems that provide you
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| out as much light.
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| | with the convenience of faster hot water
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| It's a rare thing to find a product that
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| | and yet don't run any water down the
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| provides us with a convenience and at the
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| | drain in doing so. These systems are
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| same time produces benefits to the planet
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| | known as hot water demand systems. They
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| and our environment.
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| | consist of a small pump that goes under a
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| Here's one; instant hot water.
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| | sink. When you "demand" hot water by
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| When you do not have to run water down
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| | pressing a button, the pump turns on,
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| the drain waiting for hot water to
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| | pumping water rapidly to your sink, and
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| arrive, then you save water. (I don't
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| | returning the cooled off hot water from
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| know anyone who jumps into the shower
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| | the hot water piping back to the inlet of
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| before the water gets warm.) Any water
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| | the water heater, forming a big loop.
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| saved is water that did not have to be
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| | When the hot water arrives at the
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| pumped, purified, re-pumped, and
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| | fixture, the pump shuts off so that hot
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| eventually run down the sewer to a
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| | water does not go into the cold water
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| processing plant, etc. All of that
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| | piping. You get fast hot water, and no
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| pumping, purifying, chlorinating,
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| | water gets run down the drain. Studies
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| filtering, etc. uses energy and costs
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| | have shown savings are possible of over
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| money. Most of the electricity used for
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| | 10,000 gallons of water per year for a
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| the pumping and processing is produced by
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| | typical family of 4. The pumps typically
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| burning gas, oil, coal and other fuels
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| | use less than $2.00 per year in
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| which ads green house gasses to our
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| | electricity.
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| atmosphere.
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| | Demand type hot water systems are
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| So how can we get instant, or nearly
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| | especially nice for tankless hot water
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| instant hot water without harming the
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| | heaters. Tankless water heaters take
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| environment? Traditional hot water
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| | longer to get you hot water and so they
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| circulating systems don't qualify, since
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| | waste more water. Be careful though, not
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| even though they provide you with nearly
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| | all brands of demand hot water pumps will
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| instantaneous hot water, they used a huge
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| | work with tankless water heaters. Check
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| amount of energy. The electricity to run
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| | with the manufacturer of the system to be
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| the pump is fairly small and
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| | sure it pumps at least ¾ gallons per
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| inconsequential compared to the energy
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| | minute, which is enough to turn on any of
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| consumed by the water heater when used
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| | the tankless units.
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