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Commercial Rebate Program

The Honolulu Board of Water Supply is offering water conservation rebates perfect for commercial kitchen, landscape, and plumbing products. This money-saving program helps businesses of all types reduce overall water usage, operating costs, and monthly water and sewer bills.

Phone: (808) 237-6877 | Email: watersensible@boardofwatersupply.com I


Commercial Cooling Tower 

Cooling Tower Equipment

Conductivity Controller:  (Up to $1,000)
Flow Meter: (Up to $1000)
Overflow Alarm: (Up to $500)
Find out more information
Rebate Application 


Commercial Landscaping 

EPA WaterSense®
WBIC with Sensor


Rebate: WBIC: $100
Rebate with Sensor: Up to $35
Find out more information
Rebate Application 

Rain Barrel/Tote


Rebate: $150
Find out more information
Rebate Application 


Commercial Plumbing 

EPA WaterSense®
Toilet 

Special Rebate Amount: $100
 For eligible toilets purchased on or after January 19, 2024, while funding lasts.
Find out more information 
Rebate Application 

EPA WaterSense®
Urinal 

Rebate: $50
Find out more information
Rebate Application 

ENERGY STAR®
Commercial Clothes Washer

Rebate: $75 
Find out more information
Rebate Application 

Commercial Kitchens 

High Efficiency 
Pre-Rinse Spray Valve & Aerators 

Spray Vale Rebate: Up to $50 
Faucet Aerator Rebate: Up to $10

Find out more information 
Rebate Application 

Water Efficient 
Dipper Well (scoop showers, utensil holders)

Rebate: Up to $150
Find out more information
Rebate Application 

ENERGY STAR®
Rated Commercial Dishwasher 

Rebate: $250 
Find out more information
Rebate Application 

ENERGY STAR®
Rated Batch-Type Ice Machine

Rebate: $100
Find out more information
Rebate Application