Case Study: Hotel Customer Name: Courtyard Marriott - Charlotte, NC

Case Study: Hotel. Customer Name: Courtyard Marriott - Charlotte, NC. 90 Rooms, Average Occupancy: 75%. Business Summary: Hotel operator in Charlotte,...

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OZONE

DEMAND

OZONE

DEMAND

Case Study: Hotel Customer Name: Courtyard Marriott - Charlotte, NC 90 Rooms, Average Occupancy: 75%

Business Summary: Hotel operator in Charlotte, North Carolina focused on sustainability and developing a green marketing message elected to try Ozone on Demand as a way to dramatically reduce carbon footprint and reduce the laundry backlog that develops each morning. Laundry quality was a major consideration as was high turnover in the laundry room and importance of no training requirement to switch to a ozone laundry process.

$ / Week

$ / Year

Washers

Dryer

Shifts

2 ‑ 55 lb.

2 ‑ 75 lb.

2 - 8 hour with 2 Employees

Expense Savings

$ / Load

Water

$0.19

$32

$1,653

Natural Gas for Washers

$0.66

$110

$5,736

Natural Gas for Dryers

$0.33

$55

$2,844

Chemicals

$0.25

$42

$2,184

Linen Replacement

$0.20

$34

$1,769

Labor

$4.70

$1,025

$53,290

TOTAL

$6.32

$1,298

$67,475

OZONE

Cost Reductions per Load Excluding Labor

Laundry Statistics:

Wash Loads per Day

Summary of Ozone Laundry Results:

Ozone on Demand Laundry Experience: An Energy Box Compact Ozone Injection System was installed in customer laundry facility and activated. Eight new wash programs were created resulting in near elimination of bleach and fabric softener and a change to a more eco-­friendly non-caustic detergent. Hot water was reduced over 90%. Wash and times declined by over 25% and dry times declined 10 minutes for sheets and 13 minutes for towels. A four hour/day reduction in cycle time resulted in labor reallocation to housekeeping duties and considerable labor savings. Towel and washcloth replacement declined from over 1,000 per year to under 300. All linens including duvets noticably whiter and softer.

DEMAND

Labor Cost Reductions per Load

$6.00

$16.00

$5.00

$15.00

$4.00

$14.00

24

Annual Ozone Cost Savings Excluding Labor ($)

Pre-ozone

$3.00

Ozone

$13.00

$2.00

$12.00

$1.00

$11.00

$0.00

Water

NG/Wash ng/dry chemicals linens

total

$10.00

Before After