About Cool Off

Cool Off is a revolutionary app that automatically notifies you when the weather outside is cool enough to turn off your air conditioner and start using greener methods to cool your home, like opening windows and turning on whole house fans. Before Cool Off, reducing A/C use meant having to lower your standards on comfort by enduring warmer weather, waiting until the evening to turn off your A/C, or having to constantly check the weather outside to know the right time to use greener methods to cool your home. Not only does Cool Off take away all the guess work for you, Cool Off makes it virtually effortless and financially beneficial to becoming environmentally friendly. The ability to customize your settings means not having to compromise on comfort.

Notification air conditioner is not needed. Can turn on whole house fans.

Go Green

Helps reduce your carbon footprint by using less electricity when A/C is not needed.

Cool Off helps maximize use of whole house fans

Energy Efficient

Use the outdoor air to cool your home like opening windows and using whole house fans.


Cool Off supports locations all over the world that are monitored by The Dark Sky Company.

Save Money

Reducing your home's A/C use will save you money by lowering your electricity bill.


Get automatically notified when it's cool outside to turn off your A/C and to turn on your whole house fan.

Cool Off helps save you money by reducing air conditioner use and increasing whole house fan


Free and low monthly subscription packages that are handled by Apple App Store and Google Play.

Introduction Video

App Screenshots

Getting started is as simple as selecting your location and a few of your preferred settings!


There are numerous benefits to using Cool Off. Here are some additional features on why Cool Off can you help go green and save money.


Helps maximize the use of energy efficient whole house fans when using the outdoor air to cool your home.

Multiple Devices

Supports multiple devices to allow you and your household members to share a single account.


Customize settings to match your preferences including desired temp, actual temp vs. feels like temp, and more.

Remote Monitoring

Monitoring is performed on remote dedicated servers to minimize resources used by your device.

Weather Fluctuations

Upon receiving your notification to turn off your A/C, the outdoor temperature will only get cooler for the day.

Detailed Status

View the latest status update on your monitoring, including the outdoor temp, ETA to turn off your A/C, and more.


Cool Off has FREE and PREMIUM packages available. No matter which package you choose, Cool Off helps you go green and save money!

/ monthGet Started
Checks whether your desired outdoor temperature is attainable.
Checks whether you can eliminate air conditioner use for the entire day.
Provides you with an approximate time you can turn off your A/C.
Helps maximizes the use of your whole house fan.
/ monthGet Started
All features included in the FREE package.
No Ads.
Daily monitoring that runs automatically based on customized schedule.
Low monthly subscription that is handled by Apple and Google.
No long-term commitment, you can cancel at any time.

Contact Us

Questions? Thoughts? Ideas? Passionate about going green? We’d love to hear from you…

Download Cool Off

Start to enjoy the benefits of being green while saving money. Download Cool Off Now!