Indirect Water Heater Vs. Electric Resistance Preheater
Quick question regarding overall efficiency.
My incoming domestic water is around 40 degrees F and my boiler is unable to heat it up to a temperature that is warm enough for showers. I was thinking of two options.
1. Installing a electric resistance 30 gallon preheater. This would preheat the incoming water to around 60 degrees or so before it was fed into the boiler to bring it upto temp for showers.
2. Install an indirect hot water heater tank.
Both of these options would be in my insulated crawl space but not in a conditioned room in my crawl space. Does my idea make any sense or a really bad way of looking at it?
My current rates
kWh = .15
Fuel Oil: $4.15 gallon
Posted Tue, 02/19/2013 - 14:07
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