How Water Heating and efficiency, etc.


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Old 03-03-14, 12:28 PM
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How Water Heating and efficiency, etc.

Have a friend who has a hot water heater that is anywhere from 10-20 years old. Here are the specs. Based on the ratings it is not that efficient and uses more energy than an efficient model based on the time frame.


Here is the information.

Manufacturer: State Industries Inc., Ashland City, Tenn.

State Select Hot Water Heater - .54 capacity, 50 gallons

Item ID 9210603000EF

Model PR650NBRT

Serial F01244798

For a 50-60 Gallon Hot Water Heater, what should we be looking for? Thank you.
 
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Old 03-03-14, 06:00 PM
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State is a good unit and made by AO Smith. Both brands are good. I also like Bradford-White. At 10 to 20 years old, it isn't worth repairing if something goes wrong with it, but I wouldn't replace it as long as it is still working and not leaking, just be prepared. Check the websites and do your research, you'll find many to choose from.
 
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Old 03-04-14, 06:09 AM
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Water Efficiency of Heater

Thank you for your quick Response casual Joe. The ranges were from 220 to 288, where 288 uses most and the efficiency rating is 277, which is not that efficient. Should this be replaced for a more efficient unit? Thank you.
 
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Old 03-04-14, 06:52 AM
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I really don't know what those ratings mean. I'd also be checking to see what models are kept in stock locally and would check their specs and choose from one of them. There is a reason a distributor chooses specific models to stock, usually because they are the popular models. Within the models they stock I am sure you'll find the more standard efficiencies and some more efficient units as well.
 
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Old 03-04-14, 12:24 PM
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I also don't know what the stated numbers mean but gas-fired water heaters are not directly rated in efficiency. Instead they are given "efficiency factor" ratings and for a typical atmospheric burner with a standing pilot (the most common water heaters) they range from about 0.57 to 0.61. That is a range of 0.04 "units" difference. These differences are because of increased insulation on the higher rated heaters and NOT any inherent differences of the burner or the heater itself.

Even considering the stated (by the original poster) difference between 277 and 288 (most likely the average yearly cost of operation) that difference is ONLY 11 units (dollars per year), hardly anything to get excited over. If a savings of less than a dollar a month is THAT important then simply give up three lattes a year.
 
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Old 03-04-14, 06:35 PM
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Very well said, Furd, I agree 100%.
 
 

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