If you know another business that would benefit from the cost-savings and eco-friendly technology of our Hi2O water purification system, send us their contact information. If they become a Hawaiian Cool Water client, we’ll give you an invoice credit based on the following:

Number of Hi2O Water Purification Systems:1 – 23 – 56 or more
Referral Credit Amount:$50$100$250

Click here to send us your referral today! »

We Are Proud to Serve Customers on OAHU, MAUI, & BIG ISLAND
  • Take the Plunge
    Get a Free Quote

  • "I ♥ Hi2O! You will too!"
    Earn $$ with our rewarding referral program!

  • Ditch the Plastic Bottle
    Check out benefits of going bottleless.

  • Hi2O for your Workplace
    Businesses across the state are making the switch!

  • What's in your water?
    (Or do you even want to know?)

  • "Thank you."–Your Body
    Because Hi2O is good for the environment and for you.