MRCOOL® DIY® 5th Gen Hybrid Multi-Zone 55,000 BTU 22 SEER2 Ducted & Ceiling Cassette Heat Pump System (36K Air Handler + 18K OuttaSight)- DIYM55K-HYB-36D-18C

Product Description 
The MRCOOL® DIY Hybrid™ 55,000 BTU Multi-Zone Heat Pump System is a powerful, professionally balanced comfort solution designed for homeowners who want central-style ducted performance combined with modern ceiling cassette efficiency — without professional HVAC installation costs.
 
This custom-built hybrid bundle pairs the MRCOOL® DIY 5th Generation 55K Multi-Zone Condenser with a 36,000 BTU DIY Hybrid™ Ducted Air Handler and an 18,000 BTU OuttaSight® One-Way Ceiling Cassette, creating a versatile system capable of conditioning multiple areas with precision zoning and superior efficiency.
 
At the heart of the system is MRCOOL®’s DIY® Quick-Connect® technology, allowing homeowners to install the system without vacuum pumps, gauges, or licensed refrigerant handling. All compatible line sets arrive factory-sealed and pre-charged with R-454B refrigerant, dramatically simplifying installation while meeting modern environmental standards.
 
This hybrid configuration is ideal for homeowners who want:

Ducted airflow for larger open areas
Discreet ceiling-mounted comfort for bedrooms, offices, or bonus rooms
One outdoor condenser instead of multiple units
True DIY installation with smart home integration

 
With DC inverter technology, whisper-quiet operation, Gold Fin® corrosion resistance, and full MRCOOL® Smart HVAC Controller® app support, this system delivers reliable year-round comfort, reduced energy bills, and long-term durability.
 
KEY FEATURES & PERFORMANCE HIGHLIGHTS 

55,000 BTU total system capacity
Hybrid ducted + ceiling cassette configuration
(1) 36K DIY Hybrid™ Ducted Air Handler
(1) 18K OuttaSight® One-Way Ceiling Cassette
Up to 22 SEER2 ultra-high efficiency
DC inverter variable-speed compressor
DIY® Quick-Connect® pre-charged system
R-454B eco-friendly refrigerant
Multi-position air handler (upflow, downflow, horizontal)
Fits between 16” ceiling joists
Quiet operation as low as 26 dB
SmartHVAC App control
Amazon Alexa® & Google Assistant® compatibility
AHRI & ENERGY STAR® Certified

 
ELECTRICAL REQUIREMENTS
Outdoor Condenser – DIY-MULTI6-55HP230D-O

Voltage: 208 / 230V
Phase: Single Phase
Frequency: 60 Hz
Minimum Circuit Ampacity (MCA): 43A
Maximum Breaker Size: 45A
Dedicated Circuit Required: Yes

Compatible Heat KitsMVPHK05
MVPHK08MVPHK10MVPHK15MVPHK20
 
Indoor Units

Separate low-amp indoor circuits required per installation manual

 
DIMENSIONS & WEIGHT
Outdoor Condenser

Width: 37.48 in
Height: 52.48 in
Depth: 16.34 in
Weight: 245.81 lbs

 
36K DIY Hybrid™ Air Handler

Width: 21.02 in
Height: 49.02 in
Depth: 21.02 in
Weight: 128.31 lbs

 
18K OuttaSight® Ceiling Cassette

Width: 50.31 in
Height: 8.98 in
Depth: 13.19 in
Weight: 45 lbs

 
WHAT’S INCLUDED IN THIS CUSTOM BUNDLE

MRCOOL® DIY® 55K 5th Gen Multi-Zone Outdoor Condenser
MRCOOL® DIY Hybrid™ 36K Multi-Position Ducted Air Handler
MRCOOL® DIY® 18K OuttaSight® One-Way Ceiling Cassette
Smart Wi-Fi Thermostat (for ducted system)
 Wireless remote for ceiling cassette
 Installation manuals & mounting hardware

⚠️ Line sets sold separately to match your exact layout and Heat Kits.
 
 WARRANTY COVERAGE

5-Year Parts Warranty
7-Year Compressor Warranty

Limited Lifetime Replacement Warranty (With MRCOOL® Care Program registration)

 
FREQUENTLY ASKED QUESTIONS 
Is professional HVAC installation required?
No. This system is designed for true DIY installation using MRCOOL® Quick-Connect® technology.
 
Can the ducted air handler and ceiling cassette run independently?
Yes. Each zone operates independently for precise temperature control.
 
What size home is this system ideal for?
Up to approximately 2,200–2,400 sq. ft., depending on layout and insulation.
 
Does it support smart home control?
Yes. Works with Alexa®, Google Assistant®, and the MRCOOL® SmartHVAC App.
 
Why choose a hybrid system instead of all ducted or all ductless?
Hybrid systems provide maximum flexibility, better airflow balance, and cleaner aesthetics.
 
Why Buy From MRCOOL DIRECT?
When you order from MRCOOL Direct, you get:

✅ Authorized MRCOOL® dealer – Your warranty is protected
✅ Factory-fresh units – No refurbished or mystery sources
✅ Fast U.S. shipping – Most in-stock items ship in 1–3 business days
✅ Financing options – Make high-efficiency comfort more affordable
✅ Real product support – Help with sizing, line set selection, and DIY questions
✅ No third-party marketplace middlemen – Just genuine MRCOOL® systems from a trusted MRCOOL® dealer.

BUY DIRECT!
Feel Free to call us anytime. Family Friendly help just a dial away. We love talking HVAC615-553-8118
Family owned & USAs #1 MRCOOL® Authentication Dealer.
 
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