This study is based on a family of four, each drinking two quarts of water per day. Replacement frequencies are based on the manufacturers suggested schedule.
5 Year Operating Cost Comparison
Make
Unit Cost
Filter Replacement Cost
Replacement Frequency
5 Year Operating Cost
Crystal Clear CT
$79.95
$39.00
3 Years
$118.95
Crystal Clear CT-E
$57.49
$29.95
3 Years
$87.44
NSA 50C
$179.00
$179.00
3 Years
$358.00
Amway
$213.00
$79.95
1 Year
$532.80
Multipure
$329.95
$34.95
6 Months
$644.50
Brita
$35.00
$7.00
2 Weeks
$938.00
Innova
$6.99
$5.99
2 Weeks
$796.00
Pur
$49.00
$9.98
3 Months
$238.62
Typical R/O System
$599.00
(1)
(2)
$1015.00
Typical Distiller
$350.00
(3)
(4)
$1172.00
Bottled Water
$0.79
-
-
$2,960.00
(1) - $8.00 prefilter / $16.00 postfilter / $100.00 membrane (2) - 6 months / 6 months / 2 years (3) - $8.00 postfilter / $0.25 per gallon electricity / does not include cost of cleaning solution (4) - 6 months / $0.25 per gallon electricity