With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever.
SKU DIYCASSETTE12HP-230C25
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MrCool DIY factory warranty — register after install to activate the full coverage tiers.
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Description
With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever.
What's in the Box
Everything you need for a complete DIY 4th Gen system
With an easy, low profile installation, the MRCOOL® DIY® ...
As described
Key Specifications
12000BTU
Cooling Capacity
208-230V
Voltage
41/35dBA
Noise Level
12000BTU
Heating Capacity
With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. — Model Details
What this specific model is sized for, how it installs, how it performs, and what it costs to run.
Room & Space Coverage — 12,000 BTU
The With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. delivers 12,000 BTU of cooling and heating capacity, sized for spaces up to 600 sq ft in standard 8-ft ceiling rooms with average insulation. At this capacity the unit is ideal for bedrooms, home offices, sunrooms, and single-room additions up to the stated square footage. Rooms with one exterior wall and average shading sit comfortably in the middle of the coverage range.
Efficiency & Operating Cost
This unit is rated at 20.75 SEER. SEER2 measures seasonal cooling efficiency — higher is better — and 20.75 puts this in the premium efficiency tier. Running the unit 8 hours a day at full load draws roughly 139 kWh/month — about $22/month at the US average $0.16/kWh residential rate. Real-world draw is usually 30–50% lower because inverter compressors modulate down most of the time.
Power & Electrical Requirements
Power requirement: 208-230V 1-phase 60Hz (standard US residential 240V service). Minimum circuit ampacity is 3A with a maximum overcurrent protection of 15A. Wire the outdoor unit with 14 AWG copper on a dedicated 15A double-pole breaker (or single-pole at 120V), with a disconnect within sight of the condenser per NEC 440.14.
Install Difficulty — DIY-Friendly
This DIY OuttaSight system ships with a pre-charged Quick Connect line set — no HVAC license, no vacuum pump, no refrigerant gauges. The pre-charged fittings use a hand-tightened mechanical seal that a homeowner completes in 15 minutes per connection. Typical install time from unboxing to first cool air is 4–8 hours for a single-head system.
Sound Level & Comfort Features
Operating sound level ranges from 26 dB(A) on low to 43 dB(A) on high — the low end is whisper-quiet, below a normal conversation (60 dB) and comparable to a library reading room. Sleep mode automatically raises cooling setpoint 1–2°F over 7 hours to match the body's natural temperature drop and cut overnight energy use. Quiet mode caps fan speed and compressor rpm for an extra 2–3 dB drop in sound output.
Warranty & Certifications
When you register your unit within 60 days of purchase you get Limited Lifetime Compressor on the compressor through MrCool's registered warranty program. Unregistered coverage drops to 5-year Parts / 7-year Compressor — registration takes 3 minutes at mrcool.com and is the highest-ROI post-purchase step you can take.
What's in the Box & Compatibility
Ships as a Mini-Split with remote control included. Designed to pair with DIY 4th gen MZ. If you're buying a condenser-only SKU you'll need to match it with a compatible air handler or head unit of equal or smaller total BTU.
Product Details
With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. The OuttaSight® cassette is offered in multi-zone options. Unlike other ceiling cassettes, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette doesn’t have strict installation requirements in less than ideal locations and can be recessed between all types of joists on 16 inch center, including pre-manufactured I-joists. Since it doesn’t require ductwork or wall space, it is perfect for both new construction or retrofits. The OuttaSight® works with the MRCOOL® DIY® Quick Connect® line set which comes precharged with R-410A refrigerant. The No-Vac® Coupler can be used to increase the length of the line set if needed. In addition to the many operational modes and quiet operation, the cassette features swing technology and an Elevation function that lowers the filter panel for easy maintenance of the air filter. All of these features can be controlled with the included remote. For peace of mind, the cassette offers a limited lifetime warranty along with a 7-year compressor warranty and 5-year parts warranty.
Specifications
| Cooling Capacity | 12,000 BTU |
| Heating Capacity | 12,000 BTU |
| Voltage | 208-230 V |
| Noise Level | 41/35 dBA |
| SEER Rating | Up to 20.75 |
| Phase | 1 |
Features
- Fits between 16" Ceiling Joists
- Featuring our easy access, elevating filter that can be lowered to a maximum of 4.9ft from the cassette.
- Low Profile Installation
- Pair with your DIY 4th gen Multi-Zone system
- Designed to work with current and future joist standards, it can be recessed between all types of joists on 16 inch center - including pre-manufactured I-joists.
Frequently Asked Questions
Everything you need to know about this product
What size room will the With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. cool?
Can I install this myself without an HVAC license?
What electrical circuit do I need for installation?
How fast does HVACZAR ship this unit?
What if it arrives damaged or I change my mind?
What is the warranty on the With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever.?
How long does shipping take?
What size room does 12,000 BTU cover?
Do you offer returns?
How can I pay?
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Ships Nationwide — Shop by State
We deliver the With an easy, low profile installation, the MRCOOL® DIY® Series OuttaSight® 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. to all 50 states via FedEx, UPS, and truck freight. Each state page lists local rebate programs and utility incentives.







