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Feeling the heat yet? No matter where you live, it is hard to argue that temperatures are on the rise. And running your air conditioner night and day means your energy bill during the summer is likely to skyrocket. Enter the \" CoolOff\" app. No, it is not a fan for your iPhone! It is a simple app that notifies you of changes to the temperature outside so you can turn off your air conditioner, open some windows, turn on fans, and cut your energy costs. The Cool Off app allows you to customize the settings for your desired temperature, the actual temperature outside, and most important the \"feels-like\" temperature, so you know exactly when to switch to energy savings but still live comfortably. Stay tuned for their in-app monthly subscriptions which promise remote access to controls in the home. If you are looking for ways to beat the heat... the \"CoolOff\" app should be your first choice. Five Stars!
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Cool Off: Whole House Fan App

by Cool Off App LLC

(2 user ratings)


Download size: 18.51MB
Version: 1.16
Released: 2017-02-26
For ages: 4+


Cool Off automatically notifies you when you can start using your whole house fan. No longer will you have to guess or constantly check the weather to know when to turn off your air conditioner and begin using your whole house fan.

Cool Off offers Free and Premium subscriptions so that you can go green and save money, no matter which package you choose!

- Upon receiving notification to turn off your air conditioner and to turn on your whole house fan, the outdoor temperature will only get cooler for the remainder of the day.
- Notifies you when air conditioning is not needed on cooler days.
- View the latest status updates on your monitoring including the outdoor temperature, approximate time to turn off your air conditioner and to turn on your whole house fan, attainability of your desired outdoor temperature, and more.
- Supports multiple devices to allow you and your household members to share a single account.
- Customize settings to match your preferences including desired temperature, actual temperature vs. feels like temperature, start/stop time, and more.
- Helps maximize the benefits of using whole house fans.
- Monitoring is performed on dedicated servers to minimize resources used by your device.
- Supports locations worldwide that are weather monitored by Weather Underground.

Cool Off Pricing:

- Monthly Subscription - USD $1.99*
* For non-US app stores, equivalent currency charges will apply.

Additional Subscription Information:

- Payment will be charged to iTunes Account at confirmation of purchase.
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
- Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
- Subscriptions can be managed in the user's account settings.

Privacy Policy - https://www.cooloffapp.com/privacy-policy/
Terms & Conditions - https://www.cooloffapp.com/terms-of-use/
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Customer Reviews
Cool Off: Off the cool

This app help you know the time to turn off your air condition and using a fan or open windows instead! It can help you save an enormous amount!

Cool Off is my recommendation

I do not usually recommend any app, but Cool Off is an exception. Without using Cool Off, I can’t save enough money to buy my action camera.


I can’t believe when I receive an electrical bill. It was less 20% than the last month before I use Cool Off. I was totally shocked at that number!

A good way to saving money!

With Cool Off, my electricity bill was reduced nearly 30%. That’s a big save. I can do it so you can do it too! Save your money RIGHT NOW!

This app is a snip

Quality application at silly prices! It deserves five stars and my respect for the developer. Cool Off just utterly dominated others!

This app’s very useful for us

We usually waste many natural resources, using this app is a good solution to solve this problem. With this app, we can make a better life for our children.

This app should be recognized by more people!

I don’t know why this fantastic app didn’t receive much attention! In my opinion, this app is the best. So download Cool Off please!

Good app

You guys should improve this app. I like it. However, it will be more attractive if you guys can improve the design of this app. Anyways, good job.

Please make more app like this

I was satisfied with this app. Although this is not the first app about saving energy or resources, this is still the most excellent app this year!

Everything is perfect

Instead of thinking about the way to saving money, it’s easier to download and use this app. Believe me; this app is ideal for you to save money and make your life greener!

Why not choose this app?

I believe this app can’t be replaced by any other app. Therefore, download it!

The best app in this store

There are no doubt that this application is the best in this store. Cool Off is wise choose for everyone. Please download this app as soon as possible.

Small app, big value

Imagine one day, when you wake up, you receive some advices to turn off your air condition, open your windows to save energy and give you a chance to enjoy the environment, awesome right?

How it’s possible?

I am finding an app which can help me save my money, improve my life and easy to use. If you are wondering like me, this app is the answer we’re looking for.

I love this app

It’s wonderful to make your smart home by using Cool Off. This application care about your house, your life, and your environment!

The advantages of this app are incredible

Cool Off like its name, very fresh and attractive because it’s the first application that cares about the environment. I love it!

Please, download this app

Even I tried my best to find some problems, but I can’t because this app was perfect! So download this app please, it won’t make you disappointed

Excellent app

The application run pretty well and very easy to use. I strongly recommend this app to any people who want to save the environment.


This app has many things we need: Saving natural resources, money and protecting the environment. I hope they can continue to develop this app in the future!


I have only one word to say about this app: Awesome. This app was created with many love with the environment and our wallet . Thanks, developers.

Great app

I’m wondering how they can put many things in this app? It’s the best app I have ever used because it has many advantages.

I wish I knew this app earlier.

In my opinion, Cool Off is a great app for anyone because this app not only saves our money but also helps us save the environment.

You won't regret after downloaded it

I like this app. It's easy to use and doesn't take so much time. Moreover, this app also helps me save a lot of money.

Everyone should have this app!

I never used a great app like this. I receive many benefits when using this app such as saving money and increase my attitude on protecting the environment.

Thanks, developers!

This app is such a great app. It saves nearly 20% my money from reducing my electricity bill. Hope you guys can create more amazing apps like this