MRCOOL DIY® 5th Gen E Star 24,000 BTU Mini Split Air Handler 230V

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High-Capacity Indoor Comfort with Smart Control and DIY Flexibility The MRCOOL DIY® 5th Gen 24,000 BTU Mini Split Air Handler is a high-capacity indoor unit designed to deliver rel iable, energy-efficient heating and cooling for large spaces between 750 and 1,000 sq. ft. Ideal for living rooms, open layouts, offices, and finished basements, this air handler provides precise comfort control when paired with a compatible MRCOOL DIY® 5th Gen outdoor condenser. Built for DIY-friendly setups and modern smart control, this unit supports SmartHVAC app control, voice commands, and advanced comfort features without requiring professional HVAC installation. *This listing includes the indoor air handler only. A compatible MRCOOL DIY® 5th Gen condenser is required for system operation. Coverage Reminder Recommended for indoor areas measuring 750–1,000 sq. ft. when paired with a properly sized MRCOOL 5th Gen condenser. Key Features & Benefits Easy DIY Installation Designed for use with DIY® QuickConnect® pre-charged line sets (sold separately) No vacuuming, refrigerant handling, or HVAC licensing required Ideal for homeowners planning a DIY installation Energy-Efficient Performance with R-454B Refrigerant Uses R-454B refrigerant, a lower-GWP replacement for R-410A Supports efficient heating and cooling with reduced environmental impact Built to integrate with ENERGY STAR® certified MRCOOL 5th Gen systems Smart Control Options Built In SmartHVAC App (iOS & Android) for remote control Amazon Alexa & Google Assistant compatibility Wireless remote control included Follow Me® mode adjusts temperature based on the remote’s location Dry Mode helps reduce excess indoor humidity Built for Long-Term Reliability Designed for consistent, high-output daily operation Gold Fin® coil coating helps resist corrosion and salt air ETL Listed (Intertek 5031495) for safety and performance compliance Warranty Coverage 7-Year Compressor Warranty (when part of a complete system) 5-Year Parts Warranty Optional extended coverage available through MRCOOL programs Specifications Brand: MRCOOL DIY® Model: DIY-24-HP-WMAH-230D25-O Unit Type: Indoor Mini Split Air Handler Capacity: 24,000 BTU Voltage: 230V Refrigerant: R-454B Compatible Line Set: DIY® QuickConnect® (sold separately) Control Methods: Remote, SmartHVAC App, Alexa, Google Assistant Modes: Heating, Cooling, Dry (Dehumidification), Follow Me® Certification: ETL Listed (Intertek 5031495) Frequently Asked Questions Is this a complete mini split system? No. This listing includes the indoor air handler only. A compatible MRCOOL DIY® 5th Gen condenser is required. What size space is this air handler best for? It is recommended for areas between 750 and 1,000 square feet. Does this unit support smart controls? Yes. It works with the SmartHVAC app, wireless remote, and Alexa/Google Assistant. Can this be installed without a professional HVAC technician? Yes. The unit is designed for DIY installation when paired with MRCOOL DIY® components. .page_crafter_two_column_grid-HaRqyavJNR { align-items: center; } .page_crafter_two_column_heading-HaRqyavJNR { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_grid_plain_text-HaRqyavJNR { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_grid_media-HaRqyavJNR { height: null; width: null; } .page_crafter_grid_media_container-HaRqyavJNR { text-align: center; order: 1; } .page_crafter_two_column_button-HaRqyavJNR { background-color: #000; color: #fff; font-size: 16px; color: #fff !important; } #TWO_COLUMN_GRID-HaRqyavJNR { margin-bottom: 10px; } .page_crafter_whats_included_container-d47JhxP66r { background-color: #00a04c; } .page_crafter_whats_included_heading-d47JhxP66r { color: #fff; text-align: center; font-size: null; color: #fff !important; } .page_crafter_whats_included_text-d47JhxP66r { color: #fff; font-size: ; text-align: center; color: #fff !important; } .page_crafter_whats_included_column_1_text-d47JhxP66r { color: #fff; font-size: ; text-align: left; color: #fff !important; } .page_crafter_whats_included_column_2_text-d47JhxP66r { color: #fff; font-size: ; text-align: left; color: #fff !important; } #WHATS_INCLUDED-d47JhxP66r { margin-bottom: 10px; } #SPACER-Go7kOim9iR { margin-bottom: 10px; } .page_crafter_media-DYnoMqDTt0 { height: null; width: null; } .page_crafter_media_container-DYnoMqDTt0 { text-align: center; } #MEDIA-DYnoMqDTt0 { margin-bottom: 10px; } .page_crafter_heading-kbOQCK5bLS { color: #000; text-align: center; font-size: null; color: #000 !important; } #HEADING-kbOQCK5bLS { margin-bottom: 10px; } .page_crafter_two_column_vertical_grid_heading_0-t9aHBO0Hmc { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_two_column_vertical_grid_plain_text_0-t9aHBO0Hmc { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_two_column_vertical_grid_media_0-t9aHBO0Hmc { height: null; width: null; } .page_crafter_two_column_vertical_grid_media_container_0-t9aHBO0Hmc { text-align: center; } .page_crafter_two_column_vertical_grid_button_container_0-t9aHBO0Hmc { text-align: center; } .page_crafter_two_column_vertical_grid_button_0-t9aHBO0Hmc { background-color: #D36521; color: #fff; font-size: 14px; color: #fff !important; } .page_crafter_two_column_vertical_grid_heading_1-t9aHBO0Hmc { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_two_column_vertical_grid_plain_text_1-t9aHBO0Hmc { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_two_column_vertical_grid_media_1-t9aHBO0Hmc { height: null; width: null; } .page_crafter_two_column_vertical_grid_media_container_1-t9aHBO0Hmc { text-align: center; } .page_crafter_two_column_vertical_grid_button_container_1-t9aHBO0Hmc { text-align: left; } .page_crafter_two_column_vertical_grid_button_1-t9aHBO0Hmc { background-color: #D36521; color: #fff; font-size: 14px; color: #fff !important; } #TWO_COLUMN_VERTICAL_GRID-t9aHBO0Hmc { margin-bottom: 10px; } .page_crafter_plain_text-cb0Si0lw0w { color: #000; font-size: ; text-align: left; color: #000 !important; } #TEXT-cb0Si0lw0w { margin-bottom: 10px; } #SPACER-LgXiroOUNp { margin-bottom: 10px; } .page_crafter_two_column_grid-dFULfV4gAS { align-items: center; } .page_crafter_two_column_heading-dFULfV4gAS { color: #000; text-align: left; font-size: null; color: #000 !important; } .page_crafter_grid_plain_text-dFULfV4gAS { color: #000; font-size: ; text-align: left; color: #000 !important; } .page_crafter_grid_media-dFULfV4gAS { height: null; width: null; } .page_crafter_grid_media_container-dFULfV4gAS { text-align: center; order: -1; } .page_crafter_two_column_button-dFULfV4gAS { background-color: #000; color: #fff; font-size: 16px; color: #fff !important; } #TWO_COLUMN_GRID-dFULfV4gAS { margin-bottom: 10px; } .page_crafter_media-yqgkk6QYVP { height: null; width: null; } .page_crafter_media_container-yqgkk6QYVP { text-align: center; } #MEDIA-yqgkk6QYVP { margin-bottom: 10px; } #SPACER-eftLKyPQDg { margin-bottom: 10px; } .page_crafter_heading-ijUpxtZpNq { color: #000; text-align: center; font-size: null; color: #000 !important; } #HEADING-ijUpxtZpNq { margin-bottom: 10px; } #ACCORDIAN-GDLvwidQK2 { margin-bottom: 10px; } @media (max-width: 798px) { #TWO_COLUMN_GRID-HaRqyavJNR { } #WHATS_INCLUDED-d47JhxP66r { } #SPACER-Go7kOim9iR { } #MEDIA-DYnoMqDTt0 { } #HEADING-kbOQCK5bLS { } #TWO_COLUMN_VERTICAL_GRID-t9aHBO0Hmc { } #TEXT-cb0Si0lw0w { } #SPACER-LgXiroOUNp { } #TWO_COLUMN_GRID-dFULfV4gAS { } #MEDIA-yqgkk6QYVP { } #SPACER-eftLKyPQDg { } #HEADING-ijUpxtZpNq { } #ACCORDIAN-GDLvwidQK2 { } } Show more