MRCOOL DIY 5th Gen 2-Zone 36,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (12K+24K) - , DIYM248HP
Take control of your comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System - the easiest and most affordable way to get powerful, energy-saving heating and cooling without hiring a pro.
Features
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Two Rooms, Perfect Comfort: Heat or cool two spaces that are 500 sq. ft. and 1,000 sq. ft. each with independent temperature control for personalized comfort.
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Truly DIY-Friendly: Forget expensive installs - no HVAC license or special tools required. If you can use basic hand tools, you can do this.
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No Hassle Setup: Comes with pre-charged Quick-Connect line sets, so there’s no messy refrigerant handling or vacuuming. Just connect and enjoy.
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Year-Round Savings: Boasting up to 21.8 SEER2 cooling efficiency and 10 HSPF2-4 heating performance, this system delivers serious energy savings.
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Built for Every Season: Stay cozy even in the dead of winter - reliable heating works all the way down to -13°F.
What our Experts Think
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Balanced Multi‑Zone Comfort – 36,000 BTU system with two zones (12K + 24K) delivers tailored cooling and heating for multiple spaces.
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DIY‑Friendly Setup – Pre‑charged line sets simplify installation and reduce complexity for experienced DIYers and professionals alike.
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Inverter Efficiency – Variable‑speed compressor adjusts output to match demand, improving comfort and lowering energy use.
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Year‑Round Performance – Heat pump design provides dependable heating and cooling in a range of conditions.
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Quiet, Consistent Operation – Engineered for low‑noise airflow and stable temperature control across zones.
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Modern, Eco‑Conscious Refrigerant Use – Designed to work with refrigerant that supports current efficiency standards.
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Reliable & Durable – Built with quality components for lasting performance.
Q&A
Q: What is this system?
A: A 36,000 BTU (3 ton) DIY 5th Generation ductless mini split heat pump with two indoor zones (12 K + 24 K) and pre‑charged line sets for easier installation.
Q: What refrigerant does it use?
A: Uses R‑454B refrigerant for improved efficiency and lower environmental impact.
Q: How efficient is it?
A: High‑efficiency design delivers strong cooling and heating performance with reduced energy costs.
Q: Is it easy to install?
A: Yes — includes pre‑charged Quick Connect line sets that eliminate refrigerant handling and most vacuuming, making it DIY‑friendly with basic tools.
Q: What comfort features are included?
A: Provides efficient year‑round cooling and heating for each zone, quiet inverter operation, and flexible zoning for personalized comfort.
Q: What warranty coverage is typical?
A: Includes long‑term warranty protection for compressor and parts for peace of mind.
Q: Who should choose this product?
A: Homeowners seeking a high‑efficiency, dual‑zone climate solution with simple DIY installation and personalized temperature control.
Maintenance Tips
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Clean or replace indoor filters monthly to maintain airflow, comfort, and efficiency.
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Deep‑clean indoor coils twice a year to optimize cooling/heating performance.
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Check and clear condensate drains regularly to prevent clogs, moisture, and mold.
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Keep indoor units and outdoor condenser free of dust and debris for proper airflow and heat exchange.
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Inspect outdoor unit fins and fan; clean and straighten fins as needed to support efficiency.
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Watch for unusual noises, odors, or weak airflow and address issues promptly.
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Schedule annual professional maintenance to check refrigerant balance, inverter performance, and electrical connections.
