Description
Air Handler + Condenser Kit — Pre‑Charged, Easy DIY Installation
The MRCOOL DIY 5th Generation 12,000 BTU Mini‑Split System (115V) is the perfect solution for cooling and heating medium‑sized rooms with maximum efficiency and minimal installation hassle. Designed for homeowners, renters, and DIY enthusiasts, this system delivers quiet comfort, smart controls, and industry‑leading technology — all without requiring a licensed HVAC technician to handle refrigerant.
Your Bargain Mart is an Authorized MRCOOL Dealer and Authorized MRCOOL Installer, ensuring you receive genuine MRCOOL equipment, full warranty protection, and optional professional installation through Precision Air for customers who prefer a hands‑off experience.
🌬️ Ideal For
- Living rooms
- Larger bedrooms
- Home offices
- Workshops
- Bonus rooms
- Small apartments
- Add‑on spaces
The 12k system is sized perfectly for medium‑sized rooms where comfort and efficiency matter.
📦 What’s Included in the Box
Everything you need for installation is included:
- 12,000 BTU indoor air handler
- 12,000 BTU outdoor condenser
- Pre‑charged Quick‑Connect line set (length varies by selection)
- Communication cable
- Drain hose
- Remote control
- Mounting hardware
- Installation manual
- Integrated smart controller
No vacuum pump, gauges, or special tools required.
⚡ Key Features
✔ 100% DIY Installation
MRCOOL’s patented pre‑charged Quick‑Connect line set allows homeowners to install the system without handling refrigerant. No EPA certification required.
✔ Energy‑Efficient Inverter Technology
The variable‑speed compressor adjusts output automatically, reducing energy use and improving comfort.
✔ WiFi Smart Controls
Control your system from anywhere using the MRCOOL app, Alexa, or Google Assistant.
✔ Whisper‑Quiet Operation
Perfect for bedrooms, nurseries, and offices.
✔ Heating & Cooling
Year‑round comfort with efficient heat pump technology.
✔ Industry‑Leading Warranty
Full warranty protection when purchased from an Authorized MRCOOL Dealer.
🛡️ Why Buy From an Authorized MRCOOL Dealer?
Buying from Your Bargain Mart ensures:
- Genuine MRCOOL equipment
- Full factory warranty protection
- No counterfeit or grey‑market units
- Local support and guidance
- Access to authorized installation through Precision Air
- Correct sizing recommendations
Unauthorized sellers void the warranty — we protect your investment.
🛠️ Professional Installation by Precision Air
Even though the MRCOOL DIY system is designed for homeowners, many customers still prefer professional installation. Precision Air provides:
- Correct mounting and placement
- Safe electrical connections
- Proper line set routing
- Clean, sealed wall penetrations
- System testing and calibration
- Warranty‑safe installation practices
If you want the convenience of DIY with the peace of mind of a professional install, Precision Air has you covered.
📊 Technical Specifications
| Feature | Value |
|---|---|
| BTU Capacity | 12,000 BTU |
| Voltage | 115V |
| Refrigerant | R‑410A (pre‑charged) |
| Compressor Type | Variable‑speed inverter |
| Line Set | Pre‑charged Quick‑Connect |
| Cooling Coverage | ~500 sq ft |
| Heating Coverage | ~450 sq ft |
| Indoor Unit Type | Wall‑mounted air handler |
| Outdoor Unit Type | Heat pump condenser |
🔄 Model Comparison
| Model | BTU | Voltage | Best For | Notes |
|---|---|---|---|---|
| DIY 9k | 9,000 | 115V | Bedrooms, offices | Most efficient for small rooms |
| DIY 12k | 12,000 | 115V | Larger bedrooms, living rooms | Perfect mid‑size solution |
| DIY 18k | 18,000 | 230V | Large rooms, garages |
PayPal Pay Later
Want to spread out your purchase? Your Bargain Mart offers PayPal Pay Later on all MRCOOL systems. Choose PayPal at checkout to see your available payment options.
Fast approval, no hidden fees, and no credit card required — all handled securely through PayPal.


















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