Lisa, Something like this?
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Compare
|
SOLAR
PASSIVE ProgressivTube |
SOLAR ACTIVE |
CONVENTIONAL |
| Average Cost |
$2,000
|
$4,000
|
|
| Average operation per year |
7-12 months*
|
12 months
|
|
| Annual cost of operation |
$50
|
$500+
|
|
| Annual cost of operation savings |
$500
|
$600
|
|
| Investment return |
25% per $1.00
|
15% per $1.00
|
None
|
| Storage Capacity |
80-120 gal
|
40-50 gal
|
|
| Life expectancy |
15-30 years
|
8-12 years
|
|
| Environement |
Does not pollute
|
Does not pollute
|
Depletes fossil fuels |
| Home Equity |
Increases Home Equity
|
Increases Home Equity
|
No added value
|
| Protection from future Utility increase |
Yes
|
Yes
|
At mercy of utilities
|
| Blackouts |
Backup Hot Water
|
No Backup
|
