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IN THE NEWS
Houston Business Journal:
New study verifies that submetering results in water conservation

PRESS
November 30, 2004
Wellspring and Ember Team to Create Industry's First ZigBee-Based Water Submeter

Case Study

Fayette Crossing

(Note - ZigBee network bridges 200' across street)

Location

Lexington Kentucky

Building Type

Garden Apartments

Submetering Method

Electric - IMS meters with embedded Wellspring radios, line powered
Water - 5 Aqura meters per apartment recording water and domestic hot water energy use
Green Thermostats - controlling fan coils, tracking boiler and chiller energy

Estimated owner benefit per year

$115,300 after rent reductions

Estimated owner benefit per unit/month

$62

Increase in property valuation at 8% cap rate

$1,441,250

Financing

4 year amortization at 0% interest

Payback Period

3.4 years

# of apartments

154

# meters

1072

Water conservation per year (gallons):

2,430,000 projected

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