MRCOOL DIY Select 1st Gen - R454B - 24K BTU 230V White Wall Mount Air handler + Condenser

MRCOOL DIY Select 1st Gen - R454B - 24K BTU 230V White Wall Mount Air handler + Condenser.

What this system is

• DIYS-24-HP-C-230A11-O — DIY Select 1st Gen - R454B - 24K BTU 230V Condenser w/ 11ft Install Kit
• DIYS-24-HP-WMAH-230A13-O — DIY Select 1st Gen - R454B - 24K BTU 230V White Wall Mounted Air Handler - with 13' Communication Cable

Outdoor condenser — DIYS-24-HP-C-230A11-O

Installing your own HVAC system is easy with the MRCOOL® DIY® Select 24K BTU 230V Ductless Heat Pump Single Zone Mini-Split Condenser, designed specifically for homeowners. Built for true do-it-yourself installation, it requires no specialized tools, HVAC certifications, or prior experience. Ideal for living rooms, open-concept spaces, large basements, and bonus rooms, it delivers reliable heating and cooling for areas up to 1,050 square feet.

The system combines strong performance with energy efficiency, offering a 16.5 SEER2 cooling rating and an 8.3 HSPF2-4 heating rating for consistent, year-round comfort while helping reduce energy costs.

Installation is simplified with an 11.5-foot Quick Connect® line set that arrives factory pre-charged with environmentally friendly R-454B refrigerant, eliminating vacuum pumps and refrigerant handling. Most components are included, making setup fast and approachable—even for first-time installers.

Comfort control is simple using the included wireless remote or the MRCOOL® Comfort app, which allows temperature adjustments, scheduling, and energy monitoring from anywhere. Compatibility with Amazon Alexa and Google Assistant adds hands-free convenience.

Features like Sleep Mode, Dry Mode, Auto, and a Gold Fin® condenser coating enhance comfort and durability, even in humid or coastal environments.

For added peace of mind, the MRCOOL® DIY® Select system comes with a 2-year compressor warranty and a 1-year parts warranty. This strong, industry-leading coverage demonstrates the pride and confidence MRCOOL has in the craftsmanship and performance of every unit they produce.

Indoor unit — DIYS-24-HP-WMAH-230A13-O

The MRCOOL® DIY® Select 24K BTU 230V Ductless Mini-Split Heat Pump Air Handler provides efficient, dependable heating and cooling for spaces up to 1,050 square feet. Ideal for living rooms, open-concept areas, large basements, and bonus rooms, it delivers consistent year-round comfort while helping reduce energy usage and operating costs.

Engineered as part of the MRCOOL® DIY® lineup, this unit is designed for true do-it-yourself installation. The compatible Quick Connect® line set is factory pre-charged with environmentally friendly R-454B, eliminating the need for vacuum pumps or refrigerant handling. Additionally, the DIYPRO® cable replaces traditional electrical conduit, simplifying installation while protecting wiring from moisture, pests, and everyday wear.

Comfort control is simple and flexible using the included wireless remote or the MRCOOL® Comfort app, which allows you to adjust temperatures, set schedules, and monitor energy usage from anywhere. Voice-control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience.

Features like Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling enhance comfort while improving efficiency. A Gold Fin® condenser coating provides added corrosion resistance for long-term durability, even in humid or coastal environments.

The MRCOOL® DIY® Select 24K includes a 2-year compressor warranty and 1-year parts warranty.

Documents

• Installation manual (DIYS-24-HP-C-230A11-O) (PDF)
• Service manual (DIYS-24-HP-C-230A11-O) (PDF)
• Remote manual (DIYS-24-HP-C-230A11-O) (PDF)
• Brochure (DIYS-24-HP-C-230A11-O) (PDF)
• Warranty (DIYS-24-HP-C-230A11-O) (PDF)
• AHRI certificate (DIYS-24-HP-C-230A11-O) (PDF)
• EnergyGuide label (DIYS-24-HP-C-230A11-O) (PDF)

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.