Quick answers to questions about ordering, compatibility, and installation.
Experience year-round comfort and big installation savings with the MRCOOL DIY 5th Generation Multi-Zone 18,000 BTU 23.9 SEER2 Ductless Heat Pump System. This dual-zone package includes two 6,000 BTU wall air handlers, each ideal for rooms up to ~200 sq. ft., powered by the reliable 18,000 BTU outdoor condenser. Perfect for bedrooms, offices, or smaller living areas, this system delivers quiet, efficient heating and cooling in two separate zones.
True DIY Installation – No special tools, training, or HVAC license required. The included pre-charged Quick Connect® line sets come filled with eco-friendly R-454B refrigerant, making installation fast and hassle-free.
Save Thousands on Installation – Skip the high labor costs of traditional systems by doing it yourself with easy step-by-step video instructions.
Year-Round Comfort – This heat pump design provides cooling in summer, heating in winter, and dehumidification during wet seasons.
23.9 SEER2 Efficiency – Energy-saving inverter technology keeps comfort high and utility bills low.
Smart Controls – Operate your system with the MRCOOL Smart Controller app, Amazon Alexa, or Google Home. Each air handler also comes with a wireless remote.
Gold Fin® Condenser – Built for long-lasting durability, corrosion resistance, and reliable performance.
Follow Me® Function – Sensors in the remote adjust the temperature based on where you are in the room.
Low Ambient Cooling – Keeps working even in cold outdoor conditions.
Alerts & Self-Diagnostics – Easy-to-read digital display shows error codes, filter reminders, and refrigerant alerts for simple maintenance.
Quiet Comfort – Sleep mode saves energy overnight, while mute mode eliminates lights and alerts for undisturbed rest.
Auto Restart – System remembers your last settings and resumes automatically after a power outage.
Your investment is protected with a 7-Year Compressor Warranty (with optional Lifetime Compressor Warranty upgrade), 5-Year Parts Warranty, and lifetime technical support from MRCOOL.
System Capacity: 18,000 BTU
Air Handlers Included: 2 × 6,000 BTU
Efficiency: 23.9 SEER2
Refrigerant: R-454B, pre-charged Quick Connect® line sets
Coverage: ~200 sq. ft. per air handler (400 sq. ft. total)
Power: 208/230V
✔ Two small bedrooms
✔ Home office + guest room
✔ Studio or small apartment zones
The MRCOOL DIY 5th Gen Multi-Zone 18k Dual Zone Mini Split (6K + 6K) is the easiest, most cost-effective way to enjoy professional-grade HVAC comfort without professional installation costs.
👉 Order today from MRCOOL DIY Direct and enjoy free shipping, nationwide delivery, and expert support!
Quick answers to questions about ordering, compatibility, and installation.
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
Manufacturer installation guides and documentation are included or available upon request for most products.
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Get help with ordering, compatibility, or installation questions.
Last seen items
Authorized Service Center for the following Brands: Daikin - Goodman - MRCOOL - GWIN - Amana - Costway