Category
Installation Guides
Step-by-step guides for installing MrCool systems
8 articles
How to Install a MrCool DIY Mini Split in 4 Hours
A step-by-step walkthrough of a complete MrCool DIY 5th Gen mini split installation — from unboxing to cold air — in under four hours with no HVAC license required.
MrCool DIY 5th Gen vs 4th Gen: What Changed
A detailed comparison of MrCool's DIY 5th Generation and 4th Generation mini splits — what improved, what stayed the same, and whether it's worth upgrading.
First-Time Mini Split Install? Everything You Need to Know
Never installed HVAC before? This beginner-friendly guide covers everything from picking the right system to flipping the switch on your first MrCool mini split.
How Zomg the Handyman Installs MrCool Mini Splits
Pro tips and techniques from Zomg the Handyman — the approach, the tools, and the workflow that make every MrCool DIY install smooth and professional-looking.
MrCool Quick Connect Line Set Guide
Everything you need to know about MrCool's Quick Connect line sets — how they work, available lengths, installation technique, and troubleshooting common issues.
Garage Mini Split Install: Heat and Cool Your Workshop
Turn your garage or workshop into a year-round usable space with a MrCool DIY mini split. Sizing, insulation tips, placement, and a full install walkthrough.
How to Size Your MrCool Mini Split: BTU Calculator
Get the right mini split size the first time. This guide explains BTU calculations, room factors, climate adjustments, and which MrCool bundle fits your space.
MrCool DIY Multi-Zone: One Outdoor Unit, Multiple Rooms
How MrCool's multi-zone mini split systems work — one outdoor unit powering 2-5 indoor air handlers for whole-home ductless HVAC with independent room control.