Knowledge Center
- How to Clean Reusable Filters for Your MRCOOL System
- Are Advantage Systems Do It Yourself?
- MRCOOL DIY System: Included Components & Installation Must-Haves
- How to Use the MRCOOL Cool Care Kit: A Step-by-Step Guide
- Why You Shouldn’t Use Thread Sealant (Pipe Dope) or Tape on MRCOOL Line Sets
- Running Line Sets Underground – What You Need to Know
- Why Spray Foam Can Trigger a Refrigerant Leak Detector
- BLDC vs ECM: How MRCOOL Motors Work
- Mini-Split Clean Function
- Operating Temperature Ranges for MRCOOL Systems
- The 2/3 Rule in Multi-Zone Systems
- Dr Smart Handheld Inverter Mini‑Split Tester
- UV Light Placement Recommendations for MRCOOL HVAC Systems
- Using Dry Mode on Your Mini-Split: What You Need to Know
- Clearance Requirements for MRCOOL DIY® 4th Gen Ceiling Cassette
- The Role of SEER in HVAC Performance and Savings
- Understanding Airflow Directions: Upflow, Downflow, and Horizontal
- Mini-Split System Components & Functions
- What are Cased Coils?
- What is an Evaporator Coil?
- What Is a Furnace in a Residential Split System?
- External Thermostat Recommendations
- Mini Split Clearance Requirements: What You Need to Know
- Error Codes: GeoCool Series
- Error Codes: ProDirect Series
- What Is a MRCOOL Drain Hose and What Is Its Purpose?
- How to Replace a Fan Motor (Blower Motor) in a DIY Mini-Split
- Can I pair an Olympus with my DIY?
- MRCOOL Units with Dip Switches: What You Need to Know
- MRCOOL Line set Installation: Left, Right, or Straight Out the Back?