MRCOOL SmartHVAC

MRCOOL SmartHVAC

by Cielo WiGle Inc.

9.8K ratings
174 reviews
Free

Details

  • Released
  • Updated
  • December 19, 2018
  • October 28, 2025

Features

MRCOOL SmartHVAC screenshot #1 for iPhone
MRCOOL SmartHVAC screenshot #2 for iPhone
MRCOOL SmartHVAC screenshot #3 for iPhone
MRCOOL SmartHVAC screenshot #4 for iPhone
MRCOOL SmartHVAC screenshot #5 for iPhone
MRCOOL SmartHVAC screenshot #6 for iPhone
MRCOOL SmartHVAC screenshot #7 for iPhone
MRCOOL SmartHVAC screenshot #8 for iPhone
🖼️Get Icon
Icons↘︎

About

Transform your existing MRCOOL air conditioners and heat pumps into smart devices. Control your home's climate remotely via smartphone or voice commands, automate settings based on your location, and set personalized schedules for comfort and energy savings.

Remote AC and heat pump control
Voice command integration (Alexa, Google Home)
Location-based automation
Weekly scheduling
Usage history monitoring
Air filter status alerts
Intelligent temperature triggers ('Comfy' feature)
Show original description

What users say

See all reviews

What's New in MRCOOL SmartHVAC

4.3.0

October 28, 2025

Minor bug fixes and improvements.

User reviews

Works well, but needs polishing

Overall the app works pretty well once the wifi adapters are added to the units. There are a few minor inconveniences that I hope will be fixed in future versions. For instance, there are a couple functions on my Mr. Cool remote controls that aren’t available in the app (turbo mode, LED off, etc.) that should be included. The ability to set schedules and link units is a big plus.
Show more

Terrible app honestly

This is probably the worst app that I have on my phone.
Pros: really easy to connect mini-splits without the need to connect to unit’s WiFi (finally!).
Cons:
• App doesn’t care to check if unit is turned on or off by remote!
So if you turned it on in the app and then turned off with remote - unit would be displayed as “forever on” in the app, or if you turn it on with remote it would say Off all the time, and never even care to send a simple call to unit’s api. Beyond ridiculous.
• With remote you can first select the mode and then turn on the unit (which is how it should be). In the app you HAVE to turn it on first and only then it would allow you to change it. Ridiculous.
• I have five zones. Four units I was able to easily switch to Celsius. But not the fifth unit. For that last unit the setting is just missing in the app. I can switch it with remote, but if I use the app - it will switch it back. Looks like someone just forgot to click a button in the configuration.
• Overall lack of decimal degree setting everywhere.
A common practice is to have x.5 C degree adjustments, but not here of course. Only full degree changes which is kinda ok with Fahrenheit, but way too coarse for Celsius.
And what’s funny is that both the remote and unit displays have that decimal section, but it’s just not used because of some weird laziness I guess.
One degree Fahrenheit is roughly half a Celsius degree, so nothing stops it to be there.
• App randomly shows temperatures of the units at 2,5 times lower than it actually is. It’s random, but always around 2,5 times.
• Usage statistics is not only useless, but also very inaccurate. It can easily tell you that you didn’t use at all ac, when it actually worked all day.
• No energy consumption monitoring at all. Seriously?
My wonderful lg window ac not only shows me how much it consumes at the moment, but also day/week/month statistics, and even how much it cost me to run it.
• And lastly: you can’t reset your password! Emails never arrive. How, just how can you not care so much?!


Overall the application looks like it was made by someone who never actually tried to use it and didn’t care about it.
An “Outsource” feel as much as it can be.

Being a software engineer myself I just can’t comprehend how someone cannot care so much about what they make.
Show more

Mr Cool

I love this mini split. It works so good in the summer and winter

Worst APP

3 full days to finally install the app with countless workarounds to finally get it to work. Using this to control a remote home in the winter to keep pipes from freezing and now I learned that in the event of a power failure someone has to be in the house to reset it. None of my other devices require this.
Show more

Great for Cabin

I have 2 zone unit at my cabin. After getting Starlink, I was able to install the smartlinks in both head units. Now I can monitor the temperature and turn on the AC or heat a few hours before I come up so it’s more comfortable when I arrive. Amazing!

Developer apps

User experience

🐞

Reported Bugs

4 issues

App frequently loses connection to unit

Bug

Schedules not working as expected

Bug

Temperature calibration issues

Bug

Inconsistent behavior between app, remote, and unit

Bug

Requested Features

5 requests

Add Celsius temperature option

Feature

Improve scheduling functionality (set on and off times)

Feature

Integrate remote temperature sensor

Feature

Provide energy usage monitoring

Feature

Allow multiple user accounts

Feature

FAQ

What does the MRCOOL SmartHVAC app do?

The MRCOOL SmartHVAC app works with MRCOOL Smart Controllers to make your MRCOOL air conditioners and heat pumps smart. It allows you to control your HVAC system remotely via your smartphone or voice commands, set schedules, and automate operations based on your location and temperature preferences.

How can I automate my HVAC system with this app?

You can automate your HVAC system by setting weekly schedules, enabling location-based actions (like turning off when you leave and cooling when you arrive), and using the 'Comfy' feature to set intelligent temperature triggers. These features help personalize your comfort and save energy.

Is the MRCOOL SmartHVAC app free to use?

Yes, the app itself is free to download and use. The functionality requires compatible MRCOOL Smart Controllers to be installed with your MRCOOL air conditioners or heat pumps. There are no in-app purchases or ads mentioned for the app.

What devices are compatible with the MRCOOL SmartHVAC app?

The app is designed to work with MRCOOL Smart Controllers, which in turn connect to MRCOOL Air Conditioners & Heat Pumps. The smart controllers also enable voice control through Alexa and Google Home.

How does the app help save energy?

The app helps save energy by allowing you to set schedules, automatically adjust settings based on your presence at home (using location services), and implement intelligent temperature triggers. This ensures your HVAC system only runs when needed, reducing unnecessary energy consumption and lowering utility bills.