Knowledge Center
- How to Perform a CE Reset on Multi-Zone Systems
- Why Do HVAC Fins Bend and What Can You Do About It?
- How to Remove Sound Deadening Pads Around Line Sets
- Service & King Valves on MRCOOL HVAC Systems
- Know Your Tools: Voltmeter or Multimeter?
- Force Start & Restart Instructions
- Why Is My MRCOOL Unit Not Shutting Down?
- Defrosting Guide
- Why MRCOOL Units (Except Signature) Cannot Be Pumped Down
- Condensation Pump Install
- Finding Leaks in an HVAC System: Methods and Techniques
- How to Perform a Proper Voltage Check on MRCOOL Mini-Split Systems
- Replacing Units or Lines After a Leak in Your MRCOOL Mini-Split System
- Troubleshooting Guide: Small Particles Blowing from Your MRCOOL System
- Understanding Changes to the Swing Function and Fan Speed in Heating Mode
- Challenges of Testing Heat in Warm Weather for MRCOOL DIY Systems
- Understanding Temperature Differential in MRCOOL Systems