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Water Softeners Save Energy. Water Quality Association. “Household Water Heating Efficiency Improvements from Softened Water” by Battelle Memorial Institute. To retrieve a copy of the complete report, please go to this link: www.wqa.org/BattelleReport. US Household Energy Usage.

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Presentation Transcript
water softeners save energy

Water SoftenersSave Energy

Water Quality Association

slide2
“Household Water Heating Efficiency Improvements from Softened Water” by Battelle Memorial Institute.
to retrieve a copy of the complete report please go to this link www wqa org battellereport
To retrieve a copy of the complete report, please go to this link:www.wqa.org/BattelleReport
us household energy usage
US Household Energy Usage

Water heaters: Second highest energy consuming area of a home.

Source: www.energystar.gov

battelle research results
Battelle Research Results

Gas Storage Tank Water Heaters

  • With softened water:
    • Gas storage tank household water heaters operated on softened water maintained the original factory efficiency rating over a 15 year lifetime.
  • With hard water:
    • Hard water can lead to as much as a 24% loss of operating efficiency in gas storage water heaters.
battelle research results6
Battelle Research Results

Tankless Water Heaters

  • With softened water
    • Indoor instantaneous gas water heaters (tankless heaters) operated on softened water maintained the original factory efficiency rating over a 15 year lifetime.
  • With hard water (26 gpg)
    • Tankless water heaters operating on hard water failed after 19 days of testing.
    • The equivalent of only 1.6 years of hot water use.

Softened water saves between 40% of costs (versus 20 gpg) and 57% of costs (versus 30 gpg).

battelle research results7
Battelle Research Results

Carbon Footprint

  • 15% increase for gas storage tank water heaters operated on 26 gpg hard water for 15 years versus softened water
  • 4% increase for tankless water heaters operated on 26 gpg hard water over 15 years
battelle study messages
Battelle Study Messages
  • Even the newest and most efficient water heaters become more efficient with softened water
    • Prevents a 10% drop in energy efficiency that happens within just 2 years
    • Eliminates the need for regular scale removal which translate into a 14-57% reduction in operating costs over the first two years of ownership
is 10 big
Is 10% Big?

YES!

The most energy efficient water heater on the market today

…a tank-less water heater….

is 10% more efficient with softened water

…..and it also reduces the operating cost by up to 57%

dishwashing study results

Dishwashing Study Results

Lowering the water hardness to zero grains per gallon by water softening will allow for a reduction in the amount of detergent to 30 grams - 38% of full dosage and still achieve equal or better cleaning compared to what occurs in hard water with 80 grams - 100% of full detergent dosage

the energy savings story in summary
The Energy Savings Story In Summary
  • Water heaters are the 2nd biggest users of residential energy
  • Consumers are switching to energy efficient appliances to cut energy costs
  • Most manufacturers of water based appliances recommend that consumers use soft water
  • The independent 2009 WQRF and Battelle Softened Water Benefits Study showed that:
    • Water heaters using softened water are 10% more efficient after less than two years.
    • Operating costs of a tank-less water heater using soft water are reduced by 14 to 57% after 2 years depending on water hardness.
slide12
Thank you.

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