STAYCOOLHVAC
StayCool HVAC: Step-by-step AC installation, repair, and maintenance tutorials. Learn BTU sizing, error fixes, and pro tips for mini splits & ductless systems.
Welcome to StayCool HVAC!
Here you’ll find practical guides on air conditioning installs, troubleshooting, and repairs. From replacing mini splits and fixing error codes to mounting outdoor/indoor units, we show you how to keep your home comfortable.
With years of field experience, we make HVAC simple and clear. Whether you’re an HVAC pro, a DIYer, or a homeowner, this channel offers real-world solutions and pro techniques.
Topics include: AC installation, system sizing in BTUs and tons (1 ton = 12,000 BTU), troubleshooting Mitsubishi, Kosner & Midea units, capacitor replacement, refrigerants (R-410A, R-32, R-407C), outdoor and indoor unit swaps, plus essential HVAC tools.
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Dual-Zone Haier Setup: Full Pro Installation
Pool Heat Pump Setup (DYI)| From 71°F to 75°F in 2 Days!
R32 Freon Leak Repair & Recharge | 12,000 BTU POV HVAC Fix
ROCA Ducted AC Maintenance | 2005 GREE System Service & Inspection
Daikin SENSIRA 1 Ton Outdoor Unit Install | Pro Guide
Complete Kosner Nova EVO Multi Split Install – Midea 5-Zone Setup
Outdoor Unit Setup | Kosner Nova EVO Multi Split Part 2
Kosner Nova EVO Multi Split 2x1 – Indoor Unit Install (Part 1)
Fixing 20-Year-Old ROCA (Gree) Duct AC – Capacitor Swap
Fixing Refrigerant Leak on Daikin RXS60F (R-410A)
Mini Split Maintenance – Wall Unit with Drain Pump
How to Fix U1 Error on Mitsubishi PUH-P4VGAA (R-407C)
Wall Mount AC Replacement – Kösner or Midea? (1 Ton / 12,000 BTU) Part 1
Step-by-Step: Outdoor AC Mounting (Mitsubishi 9,000 BTU)
Mitsubishi Electric 9000 BTU Wall Mount Install – Part 1
Part 3 – Deep Vacuum & System Startup | HVAC Upgrade Series (Mitsubishi Electric Install Coming Next
Part 2 – Replacing an Indoor Unit: Mitsubishi Electric ➜ Daikin Sensira | HVAC Upgrade
Mitsubishi Electric OUT – Daikin Sensira IN | 9000 BTU ➡ 7000 BTU | Part 1
LG CH24 High Pressure Error — Builder's Mistake Fixed!
Fixing a DIY Flower Cooler Made from a Cheap Chinese R410A AC Unit
Ducted Mitsubishi Electric AC Breakdown | P5 Error, Mold Blockage & Drain Pump Fix (30,000 BTU)
Installing a Used Vilant Mini-Split Indoor Unit | Built by GREE
GREE Pular Install — Part 2 🔧 Vacuum & Startup | 12,000 BTU AC Replacement
Replacing a Samsung Smart Inverter AC with a GREE Pular | 12,000 BTU Swap 🔁
Replacing the Start Capacitor in a 30-Year-Old Trane AC 💡 Still Running!
Installing a Used 12,000 BTU Vilant Mini Split | Made by GREE 🇨🇳
One Day as an HVAC Tech in 90°F Heat ☀️ | Wall Unit, Ducted ACs & LG Leak Fix
Midea Clones? Installing Daewoo, Bosch, Mundoclima & More | All from One Factory
Full Mini Split AC Installation | 12,000 BTU | 1 Ton | Step-by-Step Wall Unit Setup