Let's Grow

Precise climate control around the clock

Who We Are

ZeroCool Systems is an industry leader in climate control for the cannabis market. We are a division of RAE Corporation and our experts have been providing innovative HVAC and refrigeration solutions for more than 50 years. In fact, RAE stands for Refrigeration, Air Conditioning and Engineering. As a manufacturer, engineering is not only in our name, it’s in our roots. We spent almost four years designing and engineering our ZeroCool line specifically for indoor grow rooms all with only one thing in mind…Plant Health.

What We Offer

ZeroCool Systems deliver precise temperature and humidity control in both lights on and lights off mode and is capable of maintaining your Vapor Pressure Deficit during all stages of the plant’s life. Our proprietary software gives you with around the clock visibility and control over all of your rooms and set points. Our systems offer inherent redundancy in every part of the equipment. From the coils we manufacture to the compressors and fans, you will always feel the sense of security you and your plants need.

Why We’re Different

In order to understand the needs of our customers, we became one of them. In 2020, we built our own state-of-the-art grow facility with each room type in it. This gives us the unique ability to constantly test and improve our equipment. If there is a better way to do something, we will find it, test it and implement it. We are able to take risks at our site prior to making upgrades to your equipment or software, all so we can better serve you.

Tell Us About Your Facility



Precisely control temperature +/-1°F


Designed for CO2 injection, actual CO2 supplied by others.


Precisely control humidity +/-1.5%


Prevent the spread of mold, pests and diseases