Sunday, February 21, 2010

On Demand Hot Water Heaters

S J Johnson has installed an on demand hot water heater at St. John Vianney Catholic church in Prince Frederick,Md. The on demand hot water heater will drastically decrease their energy bills by only heating the hot water they need.
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1 comment:

  1. UnknownOctober 1, 2013 at 10:46 AM

    Thanks for sharing! This page was very informative and I enjoyed it. heating oil Salem

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