Calculated using 13C/KW not 9c for a start
Remember this new thing call ed fuel recovery charge - well we get stuffed
with it and it is going up again this month
Our KW cost 2 years ago was one of the lowest in the US at 7c/KW
Figure it out
Granted I have a high electric bill from other things but HOT water is
defintely the highest cost
--
David B Turner
Island Computers US Corp
2700 Gregory St, Suite 180
Savannah GA 31404
Tel: 912 447 6622 X201
Cell: 912 447 6622 X252
Fax: 912 201 0402
Email:
Web: http://www.islandco.com
=====================================
All orders are subject to the following terms and conditions
of sale. These should be read before ordering.
http://www.islandco.com/warranty.html
"Doctor Drivel" wrote in message
reenews.net...
"Mark" wrote in message
...
wrote in message
Lets say it saves £20 a year heating dhw only.
Energy Cost Savings and Return on Investment [ROI]:
. An average family of four uses 70 gallons of hot water per day -
. at a cost of $480 per year*
. The typical solar water heater will save 80% of heating costs -
It might do in Florida, not in cloudy northerly regions.
. or $384.00 per year
. A typical heater with hardware will cost:
. Do-it-yourself Kit - $1750
. Contractor installation - $2700
. The tax-free return on investment would be:
. Do-it-yourself Kit - 21.7% ROI [$384 / $1766]
. Contractor installation - 14.2% ROI [$384 / $2700]
*Based on 72°F incoming water heated to 140°F in Florida with an
electric
rate of $0.09 per kilowatt plus standby heat loss from a new water
heater.
Your savings may vary based on your usage, temperature, climate and
electric
rate.
Calculate your own Tax-Free Return On Investment [ROI]:
$ _____ Estimated Savings
$ _____ Divided by Unit Cost
%_____ Equals ROI
http://shop.solardirect.com/product_...roducts_id=188
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