Wondering why MRCOOL® has the only truly DIY HVAC system? The answer is simple! It's because of our patented precharged quick connect line sets. Precharged means the system is good to go as soon as you connect the line sets to the indoor and outdoor units. Patented means we're the only ones on the market who have it. The system is hyper efficient, provides year-round comfort and works in a single zone option or can heat and cool up to five rooms. It's all about finding the perfect one for you at
0:37
Wondering why MRCOOL® has the only truly DIY HVAC system? The answer is simple! It's because of our patented precharged quick connect line sets. Precharged means the system is good to go as soon as you connect the line sets to the indoor and outdoor units. Patented means we're the only ones on the market who have it. The system is hyper efficient, provides year-round comfort and works in a single zone option or can heat and cool up to five rooms. It's all about finding the perfect one for you at
18.2M viewsJan 7, 2025
FacebookMRCOOL
Tired of the weather controlling your mood? Take back control with MRCOOL DIY mini splits! 🙌 • Control temperature from anywhere on your phone or voice Stay cozy inside, no matter what's outside! 😊 Click to learn more | MRCOOL
0:43
Tired of the weather controlling your mood? Take back control with MRCOOL DIY mini splits! 🙌 • Control temperature from anywhere on your phone or voice Stay cozy inside, no matter what's outside! 😊 Click to learn more | MRCOOL
3.1M viewsMay 8, 2025
FacebookMRCOOL
At MRCOOL, we don't expect you to have problems with your unit, but if you ever do see an error code, it's good to at least have some idea of what is going on. MRCOOL Phone Number: 270-366-0457 List of possible MRCOOL Error Codes: E0 - Indoor unit EEPROM parameter error E1 - Indoor / outdoor units communication error E2 - Zero-crossing signal detection error E3 - Indoor fan speed has been out of control E4 - Indoor room temperature sensor T1 open circuit or short circuit E5 - Evaporator coil tem
1:29
At MRCOOL, we don't expect you to have problems with your unit, but if you ever do see an error code, it's good to at least have some idea of what is going on. MRCOOL Phone Number: 270-366-0457 List of possible MRCOOL Error Codes: E0 - Indoor unit EEPROM parameter error E1 - Indoor / outdoor units communication error E2 - Zero-crossing signal detection error E3 - Indoor fan speed has been out of control E4 - Indoor room temperature sensor T1 open circuit or short circuit E5 - Evaporator coil tem
1.2K viewsMay 16, 2019
FacebookMRCOOL
The easiest way to soothe hay fever this spring and set yourself up for savings this summer is to clean your filter! The MRCOOL® DIY®'s washable filter is a sustainable feature that makes seasonal maintenance a breeze. Check the link in our bio for more information! | MRCOOL
0:32
The easiest way to soothe hay fever this spring and set yourself up for savings this summer is to clean your filter! The MRCOOL® DIY®'s washable filter is a sustainable feature that makes seasonal maintenance a breeze. Check the link in our bio for more information! | MRCOOL
2.2K viewsMay 1, 2025
FacebookMRCOOL
If your error code means you need to replace your control board, then this is how you need to do it. Check out our playlist of videos for error codes: https://www.youtube.com/watch?v=lsDzrTQC6oU&list=PLWwYy6G52IgNV3wPRksu_dBm1E6Znm0fA | MRCOOL
1:48
If your error code means you need to replace your control board, then this is how you need to do it. Check out our playlist of videos for error codes: https://www.youtube.com/watch?v=lsDzrTQC6oU&list=PLWwYy6G52IgNV3wPRksu_dBm1E6Znm0fA | MRCOOL
1.7K viewsJun 27, 2019
FacebookMRCOOL
At MRCOOL, we don't expect bad things to happen, but when they do, it's good to know how to take care of it! If you are seeing an error code on your air handler, there are several steps you can take. That said, after you've called MRCOOL support, and they have told you to replace your control board (and have already sent it to you), then this video can help you change the control board in the MRCOOL air handler. List of possible MRCOOL Error Codes: E0 - Indoor unit EEPROM parameter error E1 - In
2:12
At MRCOOL, we don't expect bad things to happen, but when they do, it's good to know how to take care of it! If you are seeing an error code on your air handler, there are several steps you can take. That said, after you've called MRCOOL support, and they have told you to replace your control board (and have already sent it to you), then this video can help you change the control board in the MRCOOL air handler. List of possible MRCOOL Error Codes: E0 - Indoor unit EEPROM parameter error E1 - In
1.2K viewsJul 5, 2019
FacebookMRCOOL
The MrCool Smart HVAC App has been updated! In this video we show you how to set it up with your MrCool system. | MRCOOL
2:48
The MrCool Smart HVAC App has been updated! In this video we show you how to set it up with your MrCool system. | MRCOOL
1.3K viewsAug 27, 2021
FacebookMRCOOL
2:45
The MrCool 4th Gen DIY system makes it a BREEZE to clean the filters. 100% free easy maintenance. Check out @mrcoolcomfort for your mini split needs! #mrcoolcomfort #mrcool #diy #diyhvac | The DIY HVAC Guy
4.1K views10 months ago
FacebookThe DIY HVAC Guy
0:20
She Spent 5 Hours Sketching Strangers from a Fire Escape! 🎨✨
557 views3 weeks ago
YouTubeMr.Starss
2:39
Mr.Coffee Maker Repair
59.4K viewsSep 28, 2016
YouTubeChannel Ron
5:30
DOC HARLEY: SERVICING PERFORMANCE AIR FILTERS
184K viewsOct 29, 2020
YouTubeLow Country Harley-Davidson
8:05
10 Min. ReCharge MrCool DIY
152.4K viewsApr 1, 2020
YouTubeBrian E. Niskala
5:19
HOW TO CLEAN AIR CONDITIONER FILTERS!
987.3K viewsMay 1, 2017
YouTubeScotty
11:36
How to Read SUPERHEAT and SUBCOOLING
755.2K viewsSep 5, 2020
YouTubeWord of Advice TV
2:20
DIY Cleaning Mini-Split Filters
331.8K viewsAug 30, 2018
YouTubePaul The Plumber
1:33
Homeowner Help: Filter Cleaning
160K viewsFeb 27, 2015
YouTubeMitsubishi Electric Trane US
12:17
How I Troubleshoot an Air Conditioner Compressor
402.6K viewsApr 10, 2021
YouTubeFox Family Heating and Air Conditioning
2:39
How to Replace a MRCOOL Ductless Mini Split Fan Motor
213.8K viewsSep 10, 2018
YouTubeMRCOOL
2:34
Morris Tips: Cleaning Mitsubishi Ductless System Filters
28.8K viewsJan 9, 2017
YouTubeMorris Heating & Air Conditioning
0:56
How to Determine Correct Furnace Filter Direction
556.6K viewsNov 27, 2017
YouTubeAlthoff Home Services
20:09
How to clean DUCTLESS MINI SPLIT air conditioner (Mitsubishi)
752K viewsAug 14, 2020
YouTubeDIY JIM
15:06
HOW TO CLEAN AND SERVICE MITSUBISHI SPLIT AIR CONDITIONER
1M viewsJun 15, 2018
YouTubeMy PI Dream
14:14
Explaining Superheat and Subcooling to Your Apprentice!
819K viewsMar 14, 2020
YouTubeAC Service Tech LLC
2:10
How to clean Mitsubishi Mr Slim filter
13.2K viewsDec 29, 2019
YouTubeBraxton Boys Maintenance
14:37
DIY Multi-Zone Ductless Mini Split AC & Heating System | MR Cool Install 2021
1M viewsMay 14, 2021
YouTubeModern Builds
30:45
HOW TO FIX MR. COFFEE MAKER FILTER OVERFLOWING Coffee Grounds In Your Coffee??
45.4K viewsDec 21, 2020
YouTubeJust A Dad Approved
10:04
How to Check a Refrigerator Compressor
3.1M viewsFeb 24, 2015
YouTubeBlakeTube Repair & Reviews
6:52
Check the Refrigerant Charge in Superheat STEP BY STEP!
71.1K viewsJun 18, 2016
YouTubeAC Service Tech LLC
13:01
Mr Cool DIY 18K BTU Mini-Split Air Conditioner Installation
27.2K viewsAug 9, 2019
YouTubePhil's DIY
3:53
HOW TO FIX MR COFFEE 12 Cup Programmable Strong Brew Selector Maker BVMC-MMX23 Overflowing Coffee
11K viewsDec 21, 2020
YouTubeJust A Dad Approved
See more