













MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25
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- Description
- Flexible Installation and Compatibility
- Efficient and Quiet Operation
- Easy Maintenance and Smart Features
- Electrical and Warranty Details
- Key Benefits Summary:
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY Series 9K BTU Ceiling Cassette (Model: DIYCASSETTE09HP-230C25)
The MRCOOL DIY Series 9,000 BTU Ceiling Cassette is a discreet, efficient heating and cooling solution designed to fit seamlessly into any space. Its low-profile design allows it to be recessed between 16-inch center ceiling joists—including pre-manufactured I-joists—making it ideal for both new construction and retrofit applications without the need for ductwork or wall space.
This cassette is engineered to work with current and future joist standards, offering installation flexibility in less-than-ideal locations where other ceiling cassettes may struggle. It pairs perfectly with the MRCOOL DIY 4th generation Multi-Zone system for versatile climate control.
- Cooling Capacity: 9,000 BTU
- Heating Capacity: 9,000 BTU
- Coverage Area: Up to 375 square feet
- Efficiency: SEER up to 20.75, EER up to 12.5, HSPF up to 11 (HSPF4) / 8.6 (HSPF5)
- Noise Levels: Quiet operation with sound as low as 24.5 dBA
Multiple operating modes include Auto, Cool, Heat, Dry, Fan Only, and Sleep to suit different comfort needs.
- Elevation Function: Lowers the filter panel up to 4.9 feet for convenient filter cleaning and replacement without ladders or tools
- Advanced Filtration: Improves indoor air quality with a reusable filter
- Quick Connect Line Set: Precharged with refrigerant for easy, vacuum-free installation; length can be extended with the No-Vac® Coupler
- WiFi & App Compatibility: Control the unit remotely via iOS and Android devices using the included remote and app
- Voltage: Requires 208V-230V/60Hz/15A
- Phase: Single-phase
- Warranty: Limited lifetime warranty with 7-year compressor and 5-year parts coverage
- Fits between 16" ceiling joists including I-joists for flexible installation
- Low-profile design ideal for retrofits and new construction
- Efficient 9,000 BTU heating and cooling for spaces up to 375 sq. ft.
- Quiet operation with noise levels as low as 24.5 dBA
- Elevation function for easy filter maintenance
- Multiple operating modes for customized comfort
- Precharged Quick Connect line set for simple DIY installation
- Robust warranty for peace of mind
The MRCOOL DIY Series 9K BTU Ceiling Cassette is a smart choice for contractors and business owners who want an efficient, easy-to-install, and discreet ceiling cassette solution that delivers reliable comfort and modern convenience.
Key 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.
PRODUCT SPECIFICATIONS:
Product Dimensions | 50.31"W x 13.19"D x 8.98"H |
Product Weight | 44.31 lbs |
SEER | Up to 20.75 |
EER | Up to 12.5 |
HSPF | hsph4/hspf5: 11/8.6 |
Coverage Area | 375 square feet |
Cooling Capacity | 9,000 BTU |
Heating Capacity |
9,000 BTU |
Voltage |
Requires a minimum of 208V-230V/60HZ/15A (please check your home meets this electrical requirement prior to purchase) |
Phase | 1 |
Cycle | 60 Hz |
Max Fuse Breaker | 15 A |
Min Circuit Ampacity | 3 A |
Rate Load | 1.5A |
Decibel Rating | 40/35.5 |
Decibel Rating Low | 24.5 dBA |
Decibel Rating High | 42 dBA |
Decibel Rating | 52/45/34 |
Blower Motor HP | 570/537/488/350 |
Blower Motor Speeds | 4 |
Blower Motor RPM | 1024/944/864 |
Filter Type | Reusable |
Modes | Auto (Auto selects Cool, Heat or Fan-Only) Cool Heat Dry Fan Only Sleep |
Wifi Compatibility | Yes |
App Compatibility | Yes |
Compatible with | IOS Android |
Includes | Remote Batteries |
Warranty | 5-year Parts/7-year Compressor |
Restricted States | GU;PR;VI |
Installation Manual
Product Brochure
Performance Specifications
Service Manual
Remote Control
Warranty
For Shipping & return information visit here
- Description
- Flexible Installation and Compatibility
- Efficient and Quiet Operation
- Easy Maintenance and Smart Features
- Electrical and Warranty Details
- Key Benefits Summary:
- Shipping and Return
- COVERAGE AREA
MRCOOL DIY Series 9K BTU Ceiling Cassette (Model: DIYCASSETTE09HP-230C25)
The MRCOOL DIY Series 9,000 BTU Ceiling Cassette is a discreet, efficient heating and cooling solution designed to fit seamlessly into any space. Its low-profile design allows it to be recessed between 16-inch center ceiling joists—including pre-manufactured I-joists—making it ideal for both new construction and retrofit applications without the need for ductwork or wall space.
This cassette is engineered to work with current and future joist standards, offering installation flexibility in less-than-ideal locations where other ceiling cassettes may struggle. It pairs perfectly with the MRCOOL DIY 4th generation Multi-Zone system for versatile climate control.
- Cooling Capacity: 9,000 BTU
- Heating Capacity: 9,000 BTU
- Coverage Area: Up to 375 square feet
- Efficiency: SEER up to 20.75, EER up to 12.5, HSPF up to 11 (HSPF4) / 8.6 (HSPF5)
- Noise Levels: Quiet operation with sound as low as 24.5 dBA
Multiple operating modes include Auto, Cool, Heat, Dry, Fan Only, and Sleep to suit different comfort needs.
- Elevation Function: Lowers the filter panel up to 4.9 feet for convenient filter cleaning and replacement without ladders or tools
- Advanced Filtration: Improves indoor air quality with a reusable filter
- Quick Connect Line Set: Precharged with refrigerant for easy, vacuum-free installation; length can be extended with the No-Vac® Coupler
- WiFi & App Compatibility: Control the unit remotely via iOS and Android devices using the included remote and app
- Voltage: Requires 208V-230V/60Hz/15A
- Phase: Single-phase
- Warranty: Limited lifetime warranty with 7-year compressor and 5-year parts coverage
- Fits between 16" ceiling joists including I-joists for flexible installation
- Low-profile design ideal for retrofits and new construction
- Efficient 9,000 BTU heating and cooling for spaces up to 375 sq. ft.
- Quiet operation with noise levels as low as 24.5 dBA
- Elevation function for easy filter maintenance
- Multiple operating modes for customized comfort
- Precharged Quick Connect line set for simple DIY installation
- Robust warranty for peace of mind
The MRCOOL DIY Series 9K BTU Ceiling Cassette is a smart choice for contractors and business owners who want an efficient, easy-to-install, and discreet ceiling cassette solution that delivers reliable comfort and modern convenience.
Key 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.
PRODUCT SPECIFICATIONS:
Product Dimensions | 50.31"W x 13.19"D x 8.98"H |
Product Weight | 44.31 lbs |
SEER | Up to 20.75 |
EER | Up to 12.5 |
HSPF | hsph4/hspf5: 11/8.6 |
Coverage Area | 375 square feet |
Cooling Capacity | 9,000 BTU |
Heating Capacity |
9,000 BTU |
Voltage |
Requires a minimum of 208V-230V/60HZ/15A (please check your home meets this electrical requirement prior to purchase) |
Phase | 1 |
Cycle | 60 Hz |
Max Fuse Breaker | 15 A |
Min Circuit Ampacity | 3 A |
Rate Load | 1.5A |
Decibel Rating | 40/35.5 |
Decibel Rating Low | 24.5 dBA |
Decibel Rating High | 42 dBA |
Decibel Rating | 52/45/34 |
Blower Motor HP | 570/537/488/350 |
Blower Motor Speeds | 4 |
Blower Motor RPM | 1024/944/864 |
Filter Type | Reusable |
Modes | Auto (Auto selects Cool, Heat or Fan-Only) Cool Heat Dry Fan Only Sleep |
Wifi Compatibility | Yes |
App Compatibility | Yes |
Compatible with | IOS Android |
Includes | Remote Batteries |
Warranty | 5-year Parts/7-year Compressor |
Restricted States | GU;PR;VI |
Installation Manual
Product Brochure
Performance Specifications
Service Manual
Remote Control
Warranty
For Shipping & return information visit here
MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25 review

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Top Tier Products, Even Better Customer Care

We Believe In Our Products & Our Team