with-1-yr-labor-warranty-by-iwae">MRCOOL DIY 12k BTU 23.5 SEER2 Ductless Mini Split AC & Heat Pump 5th Generation - Energy Star 115v with 1 YR Labor Warranty by IWAE
The MRCOOL DIY ductless heat pump split system represents a modern, efficient solution for achieving optimal indoor climate control without the hassle of traditional HVAC setups. Its 5th generation design, powered by the eco-pleasant R-454B refrigerant, delivers superior cooling and heating performance while minimizing environmental impact. With pre-charged line sets and plug-and-play installation components, users can tackle the process themselves, saving time and costs. the Gold Fin condenser in the outdoor unit resists corrosion, making it ideal for homes in humid or coastal areas, while smart features like the smartphone app and Google Assistant integration offer seamless control and adaptability. Whether you're adjusting temperature from your phone or monitoring for leaks with an instant alert, this system prioritizes reliability and convenience for everyday use.
designed for versatility, the MRCOOL DIY system excels in spaces ranging from compact rooms like garages and guest rooms to larger areas such as server rooms and greenhouses. Its auto restart feature ensures uninterrupted comfort after power outages, and the 1-year labor warranty provides peace of mind for any installation-related concerns. The included DIYPro armored cable eliminates the need for additional electrical conduit, simplifying the setup process. With energy efficiency ratings that match or exceed industry standards, this system balances performance and cost savings for year-round use. Whether you're cooling a small workspace or heating a larger living area, its adaptable design and user-friendly interface make it a practical choice for both residential and commercial applications.
- Pros
- High-efficiency cooling with up to 36,000 BTU capacity
- Easy DIY installation with pre-charged line sets
- Smart thermostat integration and remote control
- Leakage detection to protect against compressor damage
- Auto restart after power outages for continuous comfort
- Corrosion-resistant Gold Fin condenser for harsh environments
- Cons
- Average user reviews (3.5 stars) suggest room for advancement
- Some higher-capacity models may require professional assistance
- Fixed line set length (25 feet) limits reach for larger spaces
Capacity | Cooling | Heating | SEER2 | HSPF2 | Coverage Area |
---|---|---|---|---|---|
9000 BTU | Up to 500 sq ft | 18000 BTU | 23.6 | 11.5 | Up to 400 ft |
12000 BTU | Up to 550 sq ft | 12000 BTU | 23.5 | 10.2 | Up to 550 ft |
18000 BTU | Up to 800 sq ft | 18000 BTU | 22.5 | 11.5 | Up to 800 ft |
23000 BTU | Up to 1050 sq ft | 23000 BTU | 22.7 | 9.5 | Up to 1050 ft |
36000 BTU | Up to 1550 sq ft | 36000 BTU | 18 | 8.5 | Up to 1550 ft |
Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq.Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office
Designed for small spaces, this window air conditioner delivers powerful cooling performance without compromising on efficiency. Its 5,000 BTU capacity ensures even the hottest days stay manageable, while the CEER rating of 11.0 helps keep energy costs low throughout the year. The quiet operation-softer than a household refrigerator-makes it ideal for bedrooms, offices, or living areas where minimal noise is key. With intuitive mechanical controls, users can easily adjust 7 temperature settings, 2 cooling speeds, and 2 fan-only speeds, plus direct airflow using the 2-way outlet. The washable filter simplifies maintenance, allowing for rapid cleaning and consistent indoor air quality.
installation is straightforward, fitting most standard window frames between 23'' and 36'' wide with a minimum height of 13''. All necessary mounting tools are included, though a screwdriver (not provided) is required, and pilot holes might potentially be recommended for certain setups. The durable build, featuring copper components and R410A refrigerant, ensures reliable performance and long-term efficiency. Plus, a 1-year parts and labor warranty gives peace of mind, with registration on the brand's website offering faster support if needed. It's a practical solution for quick comfort in smaller rooms, balancing affordability with dependable functionality.
- Efficient Cooling for up to 150 sq. ft. with a CEER rating of 11.0
- Quiet Operation, ideal for cozy spaces
- Simple Controls with 7 temperature settings and 2-way airflow direction
- Washable Filter for easy maintenance
- Easy Installation with included mounting accessories
- Strong Warranty covering parts and labor for 1 year
- Screwdriver Required (not included)
- Pilot Holes Needed for some window frames
- Smaller Room Focus-may not suit larger spaces
Feature | Detail |
---|---|
Air Cooling Capacity | 5,000 BTU |
Room Size | Up to 150 sq. ft. |
Energy Efficiency | CEER 11.0 |
Temperature Control | 7 settings, 2 cooling / 2 fan speeds |
Filter Type | Washable, removable |
Warranty | 1 year parts & labor |
Frigidaire 5,000 BTU Window Air Conditioner with Remote Control, Cools up to 150 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White
whether you're fighting summer heat in a cozy bedroom or need a reliable cooling solution for a small space, the Frigidaire window air conditioner delivers efficient, consistent comfort. Its 5,000 BTU output ensures quick temperature regulation, while the 115V, 450W design balances performance with energy savings. The adjustable fan speeds and 6-way directional airflow let you fine-tune comfort without wasting power, and the programmable 24-hour timer adapts to your daily routine. With a quiet 52 dBA operation, it blends seamlessly into your surroundings, making it perfect for peaceful nights or focused work sessions.
The unit's user-friendly features simplify daily life, from the intuitive remote control that lets you adjust settings from across the room to the Clean filter alert system that reminds you to maintain air quality. Modes like Sleep and Eco further enhance efficiency, allowing you to save energy while still enjoying a cozy climate. The included Dry Mode removes excess humidity, creating a fresher atmosphere without compromising cooling. These thoughtful details ensure your home stays fresh and inviting, no matter the weather.
- Pros: Energy efficiency with Eco Mode, quiet operation ideal for bedrooms, easy maintenance thanks to washable filters, customizable settings for precise comfort, convenient remote control, and multi-functional modes (Sleep, Dry, Eco).
- Cons: Limited to 150 sq. ft., requires window installation, and may produce background noise in quiet environments.
Feature | Benefit |
---|---|
5,000 BTU | Effective cooling for small spaces |
450W | Energy-efficient operation |
52 dBA | Quiet performance for sleeping or working |
Programmable Timer | Adapts to your schedule |
Washable Dust Filter | simple maintenance with alerts |
Seize the Prospect

MRCOOL DIY 12k BTU 23.5 SEER2 Ductless Mini Split AC & Heat Pump
Energy-Efficient Performance: High SEER2 rating and Energy Star certification ensure optimal cooling while reducing energy costs.

Midea 5,000 BTU EasyCool Small Window Air Conditioner
Easy Maintenance: Reusable filter and mechanical controls make upkeep simple, ideal for quick setup in small rooms.

Frigidaire 5,000 BTU Window Air Conditioner with Remote Control
Customizable Cooling: 6-way directional airflow and 3 fan speeds let you tailor comfort to your space's needs.
Whether you prioritize energy efficiency, ease of use, or customizable comfort, these 5,000 BTU models offer tailored solutions for small spaces. The MRCOOL unit stands out for its advanced energy-saving features and long-term warranty, while the Midea and Frigidaire options deliver simplicity and smart controls. Choose the one that aligns with your lifestyle and cooling needs-because even in limited space, your comfort matters.