Midea MFAHU-B Series R454B floor console heat pump indoor unit available in 9,000, 12,000 and 16,000 BTU class capacities.
Midea Floor Console Heat Pump Series R454B Indoor Unit Price range: $1,139.05 through $1,264.45
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Midea Multi-Zone 4-Way Cassette Indoor Unit Series
Midea Multi-Zone 4-Way Cassette Indoor Unit Series (9,000–24,000 BTU) Price range: $1,097.25 through $1,477.78

Midea 18,000 BTU One-Way Cassette Indoor Unit

SKU: N/A

Price range: $1,855.40 through $1,975.57

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The Midea One-Way Cassette Indoor Unit is a ceiling-mounted solution designed to provide quiet, energy-efficient heating and cooling for residential and light commercial spaces. Available in 9,000, 12,000, and 18,000 BTU capacities, these indoor units are compatible with Midea multi-zone heat pump systems, delivering individualized comfort, discreet installation, and reliable year-round performance.

Midea One-Way Cassette Indoor Units – Supplied & Professionally Installed by 4Most Energy

The Midea One-Way Cassette Indoor Unit is designed for homeowners seeking efficient, discreet, and flexible comfort without sacrificing valuable wall space. Installed flush within the ceiling, it distributes conditioned air evenly throughout the room while maintaining a clean architectural appearance.

Compatible with Midea multi-zone heat pump systems, these indoor units allow each room or zone to be independently controlled for personalized comfort and improved energy efficiency. Homeowners can select individual temperatures for occupied spaces, helping reduce unnecessary energy consumption while maintaining consistent comfort throughout the home.

Engineered with advanced inverter technology and intelligent airflow management, the One-Way Cassette delivers quiet operation and reliable year-round heating and cooling. Additional features such as refrigerant leak detection, smart controller compatibility, humidity management, and elevation panel access simplify both daily operation and routine maintenance.

Proper installation is essential to achieving maximum efficiency and long-term system reliability. Indoor unit sizing must match the room's heating and cooling requirements while remaining compatible with the selected outdoor multi-zone condenser. Installation also requires appropriate refrigerant piping, condensate drainage, electrical connections, and ceiling clearances in accordance with manufacturer specifications.

At 4Most Energy, every installation begins with a professional system assessment to ensure the equipment is correctly sized and configured for your home's unique layout. Our certified technicians complete every installation according to manufacturer guidelines, delivering dependable performance and long-lasting comfort.

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Why Install the Midea One-Way Cassette with 4Most Energy?

Certified HVAC Technicians

Installed by licensed, experienced professionals

System Sizing

Proper load calculations for maximum efficiency

Premium Installation Materials

Quality piping, insulation and fittings

Transparent Pricing

Clear installation quotes with no hidden fees

Professional Commissioning

Pressure testing and performance verification

Ongoing Support

Service, maintenance and replacement parts

Genuine Replacement Parts

Access to manufacturer-approved replacement components.

  • Ceiling-mounted one-way air distribution
  • Compatible with Midea multi-zone heat pump systems
  • Individual room temperature control
  • Quiet multi-speed fan operation
  • SmartHome App compatibility
  • Alexa and Google Home integration
  • Refrigerant leak detection system
  • Intelligent temperature and humidity control
  • Elevation panel for simplified filter maintenance
  • Flexible installation options
SpecificationDetails
Product TypeOne-Way Ceiling Cassette Indoor Unit
Compatible SystemMidea Multi-Zone Heat Pump
RefrigerantR454B
Voltage208/230V, 1 Phase, 60Hz
InstallationCeiling Recessed
Air DistributionOne-Way Supply
Control OptionsRemote Control, Wired Controller, SmartHome App
Smart HomeAlexa & Google Home Compatible
Refrigerant Leak DetectionYes
ModelCapacityRecommended Room SizeRecommended Application
MCAHU-H09B-2A9,000 BTUSmall roomsBedroom, office, nursery
MCAHU-H12B-2A12,000 BTUMedium roomsBedroom, living room, home office
MCAHU-H18B-2A18,000 BTULarge roomsOpen living area, large bedroom, studio
  • Request a free installation quote.
  • Complete an in-home system sizing consultation.
  • Receive equipment recommendations.
  • Schedule a convenient installation date.
  • Removal of existing equipment (if applicable).
  • Professional installation of the indoor unit, refrigerant piping, condensate drain, and electrical connections.
  • Safety inspection, leak testing, and operational verification.
  • Final commissioning and homeowner system walkthrough.

Midea One-Way Cassette Indoor Units include the manufacturer's limited parts warranty when installed according to manufacturer requirements by qualified professionals.

Every installation completed by 4Most Energy also includes our workmanship warranty covering installation quality and system commissioning.

Should a warranty issue arise, our team will assist with diagnosis, manufacturer warranty coordination, and replacement parts when applicable.

To help maintain peak efficiency and extend equipment life, ask about our preventative maintenance plans starting from $12.99/month, which include scheduled inspections, filter and system checks, priority service, and ongoing performance monitoring.

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  • New reviews collected regularly Recent review activity detected
  • Leading Service Google Maps rating and review data
  • Responds to customer reviews 74% response rate within 48 hours
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Mahvash Madani profile picture
Mahvash Madani
2 days ago
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I had a great experience with 4Most Energy. They provided all the i formation I needed and clearly explained the different options available which made it easy to make an informed decision. Their pricing was reasonable and competitive, and I really appreciate their responsiveness and flexibility in accommodating my needs. The installation team was professional, efficient, and did a great job.Overall, the entire process was smooth and stress-free. I am very happy with the service and would highly recommend them for anyone looking for reliable HVAC services.
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H Lau profile picture
H Lau
11 days ago
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Harini profile picture
Harini
17 days ago
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+0
We had a great experience with Rey and his team during our new Rinnai boiler installation. The technicians did an amazing job and worked efficiently. The technician Sam was knowledgeable, professional, and respectful throughout the installation. He took the time to answer all my questions and made sure everything was properly checked before finishing the job. They arrived on time and completed the boiler installation on schedule. We are very happy with the service and would definitely recommend them to anyone looking for reliable and professional HVAC service. Thanks.
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Vip C. profile picture
Vip C.
17 days ago
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+0
Excellent service and very reasonable pricing for a new AC installation. The team arrived right on time, provided a smooth and professional installation, and there were absolutely no hidden costs. Communication was transparent, proactive, and consistent throughout the entire process. Highly recommend them to anyone looking for reliable and honest HVAC service.
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kevin liu
20 days ago
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Brian Johnston profile picture
Brian Johnston
22 days ago
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+1
I was very pleased with the competitive pricing I got specifically from 4most energy. I contacted many companies to get their best quote. Sometimes there are even daughter or sister companies that will give you better quotes than the parent companies. It's best to check around for the identical product with installation from many companies. I was also pleased with the installers. They did have to cut away some insulation to install the Rinnai RX199 on the outside wall the house. Not sure if they should have tried replacing that insulation afterwards, but won't complain about the job they did because I think I got the best price on the market after getting quotes from about a dozen companies.
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Joseph Spitale profile picture
Joseph Spitale
37 days ago
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+0
We recently had a Navien Combi boiler installed by 4Most Energy and had a great experience from start to finish. Rey was our sales representative and Sam was our technician, and both were excellent to work with. They arrived on time, the installation was fast and efficient, and everyone was friendly and professional throughout the process. Sam did a great job with the installation, and everything is working perfectly. We’re also very happy with the Navien Combi boiler itself. Overall, we couldn’t be happier with the service, the installation, and the product. We would definitely recommend 4Most Energy.
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Da big_Guy profile picture
Da big_Guy
38 days ago
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Rey, Ben and Amad thank you very much for the amazing work on my hot water tank purchase and installation. You a have a loyal customer fir life. I will make sure my family and friends use your service. Zoran.
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Marvin Harrison profile picture
Marvin Harrison
40 days ago
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+2
I contacted 4Most Energy to replace my 14 year old AC unit. Their intake process was smooth. They provided a reasonable quote the same day. The installation of the new AC unit was scheduled and the service provided by Farzad and his associate was completed within a reasonable time. They did a great job on the installation, hauled away the old equipment, and left the job site (both indoors and outdoors) in good condition. I would not hesitate to recommend 4Most Energy for your heating and cooling needs.
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Rodney BROWN profile picture
Rodney BROWN
40 days ago
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Scheduling was quick and easy. The team showed up on time, were quick and efficient and did an overall good job!
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Jag Jasani profile picture
Jag Jasani
41 days ago
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+0
Great job Rey, Sam and team! My tankless water heater was broken for two months and after getting the run around from Enercare and Reliance, I decided on purchasing a Navien from 4Most Energy and they did a great job explaining the process and installing it the next day. Thank you for the top notch service!
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Maryam Badakhshi profile picture
Maryam Badakhshi
48 days ago
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Hamid installed a new heater for us. We had a great experience. He and the team were professional and the work was done in a day. We really appreciate their promptness. We’d definitely recommend Hamid.
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Chris Luc profile picture
Chris Luc
51 days ago
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Great job by Hamid. Thanks
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Adrian Cann profile picture
Adrian Cann
53 days ago
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Great service, great price, great technicians, big job but the work was executed with perfection!!!
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Charles Hawkes profile picture
Charles Hawkes
57 days ago
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Arrived promptly, installed new water heater in a professional manner, checked the installation for any gas or water leaks, cleaned up the work site. Very satisfied with the service and pricing. Strongly recommend 4MostEnergy.