MRCOOL® DIY® 12K BTU 4th Gen Multi Zone OuttaSight® Ceiling Cassette with 25ft DIYPro Cable (230V/60Hz)
Free Shipping
Warranty Protection
Trusted Returns Policy
MODEL: DIYCASSETTE12HP-230C25
Effortless, OuttaSight® Comfort for Spaces up to 600 sq. ft.
Deliver discreet, whisper-quiet, reliable heating and cooling without sacrificing valuable wall or floor space. The MRCOOL® DIY® 12K BTU 4th Gen Multi Zone OuttaSight® Ceiling Cassette provides powerful, energy-efficient climate control from above — perfect for mid-size bedrooms, offices, basements, or open-plan areas.
Designed to fit cleanly between standard 16" ceiling joists, this low-profile cassette pairs with your MRCOOL® DIY® 4th Gen Multi-Zone Condenser and connects quickly using the included 25ft DIYPro™ Cable and Quick Connect® pre-charged line set — no vacuuming, gauges, or technician required.
Why You’ll Love It
✅ Discreet Ceiling Installation — Mounts flush between standard 16″ ceiling joists for a clean, built-in look.
✅ Simple DIY Setup — Pairs seamlessly with your MRCOOL® DIY® 4th Gen Multi-Zone system using Quick Connect® pre-charged lines and the included 25ft DIYPro™ Communication Cable.
✅ Smart-Home Ready — Wi-Fi enabled for control via the SmartHVAC app, Amazon Alexa, or Google Assistant.
✅ Ultra-Quiet Operation — Operates between 26 and 43.5 dBA for peaceful, barely noticeable performance.
✅ Elevating, Washable Filter — Panel drops up to 4.9 ft for hassle-free cleaning and maintenance.
✅ Year-Round Performance — Low ambient cooling to 5°F, heating up to 86°F, perfect for garages, server rooms, or basement suites.
✅ Warranty Protection — Covered by a Limited Lifetime Compressor Warranty (with registration), 7-Year Compressor, and 5-Year Parts Warranty.
What’s Included:
-
MRCOOL® DIY® 12K BTU OuttaSight® Ceiling Cassette
-
25ft DIYPro™ Communication Cable
-
Remote Control
-
Installation Accessories
-
MRCOOL® Warranty
Specifications
Specifications at a Glance
| Attribute | Details |
|---|---|
| BTU Capacity | 12,000 BTU |
| Voltage | 208-230V |
| SEER | Up to 21 |
| Coverage Area | 400 – 600 sq. ft. |
| Sound Rating (dBA) | 26 – 43.5 |
| Wi-Fi Compatibility | Yes (SmartHVAC App, Alexa, Google Assistant) |
| Line Set Compatibility | MRCOOL® Quick Connect® |
| Cooling Operating Range | 5°F – 122°F |
| Heating Operating Range | 5°F – 86°F |
| Air Filter | Washable, reusable, elevating panel |
| Warranty | Limited Lifetime Compressor (registered), 7-Year Compressor, 5-Year Parts |
Room Size & BTU Coverage Guide
Choosing the right BTU (British Thermal Unit) output ensures your space stays consistently comfortable all year round. Use this quick reference chart to match your room size with the recommended cooling and heating capacity for your MRCOOL® DIY® OuttaSight® Ceiling Cassette.
| BTU Rating | Ideal Room Size (Approx.) |
|---|---|
| 9,000 | 250 – 400 sq. ft. — ideal for standard bedrooms, home offices, or compact living rooms |
| 12,000 | 400 – 600 sq. ft. — perfect for master bedrooms, mid-size living rooms, or larger offices |
| 18,000 | 600 – 800 sq. ft. — great for open-concept family rooms, workshops, or finished basements |
Important:
Always consider additional factors such as ceiling height, insulation quality, sun exposure, number of windows, climate, and the number of heat-producing appliances in your space when choosing the right system.
Installation
Installation & Manuals
Choose options