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Upgrade your home’s comfort with the MRCOOL DIY® 5th Generation 18,000 BTU Dual-Zone Ductless Mini Split System, designed for DIY installation with no special tools or HVAC experience required. This system includes two 6,000 BTU indoor air handlers and a powerful 18K BTU condenser, ideal for heating and cooling two zones up to 200 sq. ft. each. With a high-efficiency 23.9 SEER2 rating, eco-friendly R-454B refrigerant, and advanced inverter technology, this ductless system offers quiet, efficient, and customizable climate control year-round.
The MRCOOL DIY Multi-Zone system is pre-charged and includes Quick Connect® line sets, eliminating the need for vacuuming or charging. Simply follow the included video instructions or user manual to install your system and start enjoying whole-home comfort in hours.
This dual-zone heat pump provides cooling in the summer, heating in the winter, and dehumidification during humid Florida seasons. Smart features include compatibility with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant. Each indoor unit also has its own remote, digital display with error code alerts, and programmable sleep/timer modes to boost efficiency and savings.
Do-It-Yourself Installation – No HVAC tools or certification needed
Pre-Charged Line Sets – DIY® Quick Connect fittings for fast, mess-free setup
23.9 SEER2 Efficiency – High energy savings and performance
Smart Controls – Operate via remote, smartphone, or voice (Alexa/Google)
R-454B Refrigerant – Eco-friendly, compliant with 2025 EPA standards
Quiet Operation – Perfect for bedrooms, offices, or living areas
Directional Airflow – Even distribution for consistent room comfort
Auto Restart – Remembers your settings after power outages
Alerts & Diagnostics – Built-in display shows refrigerant warnings and filter alerts
Follow Me® Function – Personalized comfort based on remote’s location
Low Ambient Heating & Cooling – Operates in extreme outdoor conditions
7-Year Compressor Warranty
5-Year Parts Warranty
Optional Lifetime Compressor Warranty
Looking for more zones? The MRCOOL DIY Multi-Zone 18K can support up to 3 indoor units. Need more coverage? Upgrade to the 27K BTU system for up to 4 zones.
Upgrade your home’s comfort with the MRCOOL DIY® 5th Generation 18,000 BTU Dual-Zone Ductless Mini Split System, designed for DIY installation with no special tools or HVAC experience required. This system includes two 6,000 BTU indoor air handlers and a powerful 18K BTU condenser, ideal for heating and cooling two zones up to 200 sq. ft. each. With a high-efficiency 23.9 SEER2 rating, eco-friendly R-454B refrigerant, and advanced inverter technology, this ductless system offers quiet, efficient, and customizable climate control year-round.
The MRCOOL DIY Multi-Zone system is pre-charged and includes Quick Connect® line sets, eliminating the need for vacuuming or charging. Simply follow the included video instructions or user manual to install your system and start enjoying whole-home comfort in hours.
This dual-zone heat pump provides cooling in the summer, heating in the winter, and dehumidification during humid Florida seasons. Smart features include compatibility with the MRCOOL SmartHVAC app, Amazon Alexa, and Google Assistant. Each indoor unit also has its own remote, digital display with error code alerts, and programmable sleep/timer modes to boost efficiency and savings.
Do-It-Yourself Installation – No HVAC tools or certification needed
Pre-Charged Line Sets – DIY® Quick Connect fittings for fast, mess-free setup
23.9 SEER2 Efficiency – High energy savings and performance
Smart Controls – Operate via remote, smartphone, or voice (Alexa/Google)
R-454B Refrigerant – Eco-friendly, compliant with 2025 EPA standards
Quiet Operation – Perfect for bedrooms, offices, or living areas
Directional Airflow – Even distribution for consistent room comfort
Auto Restart – Remembers your settings after power outages
Alerts & Diagnostics – Built-in display shows refrigerant warnings and filter alerts
Follow Me® Function – Personalized comfort based on remote’s location
Low Ambient Heating & Cooling – Operates in extreme outdoor conditions
7-Year Compressor Warranty
5-Year Parts Warranty
Optional Lifetime Compressor Warranty
Looking for more zones? The MRCOOL DIY Multi-Zone 18K can support up to 3 indoor units. Need more coverage? Upgrade to the 27K BTU system for up to 4 zones.