MRCOOL DIY 9,000 BTU 5th Gen Ductless Mini Split Heat Pump System - 23.6 SEER2, Energy Star, 115V (DIY-09-HP-WM-115D25-O)

MRCOOL SKU: DIY-09-HP-WM-115D25-O

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Sale price$2,329.00

Description

MRCOOL DIY 9,000 BTU 5th Gen Ductless Mini Split Heat Pump System

Forget about the mess, disruption, and structural damage that comes with traditional HVAC installation. The MRCOOL DIY 5th Gen 9,000 BTU Ductless Mini Split Heat Pump System delivers professional-grade heating and cooling for spaces up to 400 sq. ft. without cutting into walls, tearing down ceilings, or running bulky ductwork through your property. You simply mount the sleek wall unit to your finished surface, connect the pre-charged QuickConnect line set to the outdoor condenser, and you're done—no demolition, no reconstruction, no weeks of construction dust settling on everything you own.

This complete Energy Star certified system (23.6 SEER2) is engineered specifically for DIY installation, meaning you don't need special tools, an HVAC license, or any prior experience. The pre-charged 25-foot QuickConnect line set arrives filled with eco-friendly R-454B refrigerant, eliminating the need for vacuum pumps or refrigerant certification that normally require expensive professionals. With the included DIYPRO armored cable handling your electrical connection and step-by-step video tutorials walking you through every step, you'll have your new climate control system up and running in just one afternoon.

You're getting commercial-quality performance with smart Wi-Fi control via the SmartHVAC app, voice commands through Alexa and Google Assistant, "Follow Me" intelligent comfort tracking, and multiple operating modes including heat, cool, dehumidify, and sleep. The Gold Fin corrosion-resistant condenser stands up to harsh coastal environments and extreme weather, while your investment is protected by an industry-leading limited lifetime warranty plus 7-year compressor and 5-year parts coverage. Whether you're upgrading your home office, adding climate control to a rental property, cooling your retail space, or heating your workshop, you get professional results without the professional disruption.

Ideal For:

  • Homeowners with individual room climate needs - Efficient year-round heating and cooling for bedrooms, home offices, garages, workshops, and bonus rooms up to 400 sq. ft. without invasive ductwork installation or professional fees.
  • Property owners and landlords - Perfect for rental properties, Airbnb units, condominiums, additions, and multi-unit buildings where traditional ducted systems are impractical, expensive, or structurally impossible.
  • Small business owners and entrepreneurs - Ideal for boutiques, salons, studios, offices, co-working spaces, and retail stores up to 400 sq. ft. where independent climate control improves customer comfort and employee productivity.
  • Restaurant and food service operators - Targeted temperature management for dining areas, prep kitchens, storage rooms, and customer-facing spaces requiring precise climate control without major construction disruption.
  • Energy-conscious facility managers - The 23.6 SEER2 rating reduces energy consumption by up to 30%, lowering monthly utility bills while qualifying for rebates, tax incentives, and green building certifications.
  • DIY enthusiasts and cost-conscious buyers - Complete installation yourself with included QuickConnect technology, DIYPRO cable, and step-by-step video guidance—no HVAC license or specialized tools required.

What Makes This System Stand Out

  • True DIY Installation - Pre-charged QuickConnect line set and DIYPRO cable eliminate the need for HVAC professionals, vacuum pumps, or specialized tools—complete installation in one afternoon versus waiting weeks for contractor availability.
  • Superior Energy Efficiency - 23.6 SEER2 rating minimizes energy waste, reduces monthly utility bills by up to 30%, and qualifies for utility rebates, tax incentives, and energy efficiency programs.
  • Complete System Ready to Install - Includes both indoor air handler and outdoor condenser with all necessary components—no searching for compatible parts or worrying about system matching.
  • Smart Wi-Fi Control Anywhere, Anytime - SmartHVAC smartphone app access (iOS & Android) enables temperature adjustments, automated scheduling, "Follow Me" sensing, and energy monitoring from anywhere in the world.
  • Ductless Installation Eliminates Construction - No wall or ceiling demolition required, reducing labor costs significantly, minimizing business downtime, and preserving architectural integrity and finished spaces.
  • Gold Fin Corrosion Protection - Advanced anti-corrosion coating extends system lifespan by years in coastal, high-humidity, and harsh environments where standard units deteriorate rapidly from salt air and moisture.
  • Industry-Leading Warranty Protection - Limited lifetime warranty backed by 7-year compressor and 5-year parts coverage demonstrates MRCOOL's engineering confidence and protects against unexpected repair costs.

Certifications & Safety Features

  • 23.6 SEER2 Energy Rating - Superior seasonal energy efficiency for significant utility savings and rebate eligibility across most utility programs.
  • Energy Star Certified - Meets rigorous EPA energy efficiency standards for reduced environmental impact and lower operational costs year-round.
  • Intertek Listed (5031495) - Third-party certified for compliance with electrical safety, performance standards, and energy efficiency requirements.
  • Limited Lifetime Warranty - Coverage on select components demonstrates manufacturer confidence and long-term investment protection.
  • 7-Year Compressor Warranty - Extended protection on the core heating and cooling component for maximum peace of mind.
  • 5-Year Parts Warranty - Comprehensive coverage on system components protects against unexpected repair expenses.

What's Included

Everything you need is included with your Mini Split.

  • 1 x MRCOOL 9k DIY 5th Generation Mini-Split Condenser 115v
  • 1 x MRCOOL 9k DIY 5th Generation Mini-split Air Handler 115v
  • 1 x 25 ft. 1/4 x 3/8 Line Set - DIY25-1438-O
  • 1 x MRCOOL Remote Control - 17317000A63435

MRCOOL DIY 5th Gen 9K BTU Complete System Features

  • 9,000 BTU Cooling / 10,000 BTU Heating with 23.6 SEER2 Rating - Efficiently cools and heats spaces up to 400 sq. ft. while maximizing energy performance and minimizing utility costs year-round.
  • Complete Mini Split System - Includes wall-mounted indoor air handler and outdoor condenser unit—everything needed for a fully functional heating and cooling installation in one package.
  • 5th Generation R-454B Refrigerant - Advanced eco-friendly refrigerant reduces environmental impact, lowers Global Warming Potential by 78% compared to R-410A, and future-proofs against regulatory phase-outs.
  • Pre-Charged 25ft QuickConnect Line Set - Factory-sealed refrigerant lines arrive ready for DIY installation with optimal charge, eliminating vacuum pumps, gauges, refrigerant certification, and professional HVAC requirements.
  • DIYPRO Armored Cable - Weather-resistant electrical connection between indoor and outdoor units replaces traditional conduit with single durable cable that withstands weather extremes, wildlife damage, and accidental impacts.
  • Gold Fin Anti-Corrosion Condenser Coating - Specialized protective finish on outdoor unit extends lifespan by years in coastal, marine, high-humidity, and industrial environments where salt air and moisture cause rapid deterioration.
  • Energy Star Certified Performance - Meets EPA's strict energy efficiency guidelines, qualifying for utility rebates, tax incentives, and delivering up to 30% lower monthly heating and cooling costs.
  • Built-in SmartHVAC Wi-Fi Control - Remote smartphone app access (iOS & Android) enables temperature adjustments, mode changes, automated scheduling, away-mode energy management, and real-time system monitoring from anywhere.
  • Voice Control Integration - Compatible with Amazon Alexa and Google Assistant for hands-free temperature changes, mode switching, and complete system control through simple voice commands.
  • "Follow Me" Temperature Sensing - Wireless remote reads temperature at its location and instructs air handler to adjust output accordingly, ensuring comfort exactly where you are rather than where the wall unit is mounted.
  • Dry Mode Dehumidification - Built-in dehumidifier function removes excess condensation and humidity from indoor air, improving comfort during humid weather and preventing mold growth.
  • Sleep Mode for Nighttime Comfort - Automatically adjusts temperature gradually throughout the night to maintain optimal sleeping conditions while reducing energy consumption.
  • Programmable Timer Function - Schedule operation times to reduce energy waste during unoccupied hours, automatically turning system on before you arrive and off when you leave.
  • Auto Mode Temperature Maintenance - Intelligently maintains set temperature by automatically switching between heating and cooling modes as needed without manual intervention.
  • Auto-Restart After Power Outages - Automatically restores previous temperature settings, operating mode, and fan speed after electrical interruptions without manual reprogramming.
  • Multi-Speed Fan Control - Adjustable fan speeds allow customization of airflow intensity for personalized comfort and noise preferences.
  • Dual Heating & Cooling Capability - Functions as both air conditioner and heat pump for year-round climate control, eliminating the need for separate heating and cooling equipment.
  • Whisper-Quiet Indoor & Outdoor Operation - Advanced variable-speed compressor and fan technology maintain peaceful environments critical for bedrooms, offices, libraries, and customer-facing businesses.
  • Wall-Mounted Indoor Air Handler - Compact design (31 9/16" W × 7 7/16" D × 11 11/16" H) mounts directly to finished walls without window installation or major structural modifications—ideal for preserving window space and room aesthetics.
  • Compact Outdoor Condenser Design - Space-efficient footprint (30 1/8" W × 11 15/16" D × 21 7/8" H) allows installation in constrained areas, balconies, and tight spaces while maintaining powerful 9K BTU performance.
  • Ductless Installation Eliminates Construction - No wall or ceiling demolition required, reducing labor costs by 60-70%, minimizing business downtime, and preserving architectural integrity and finished surfaces.
  • 115V Standard Electrical Connection - Operates on conventional household 115V power without expensive electrical panel upgrades, dedicated circuits, or major electrician modifications.
  • Anti-Mildew Function - Prevents mold and bacteria growth by automatically reducing excess condensation in the air handler, promoting healthier indoor air quality and extending equipment life.
  • Industry-Leading Warranty Protection - Limited lifetime warranty on select components backed by 7-year compressor coverage and 5-year parts warranty protects against unexpected repair costs during critical operational years.
  • Intertek Safety Certification - Third-party tested and listed (5031495) for compliance with electrical safety, performance standards, and energy efficiency requirements.
  • Step-by-Step Installation Support - Comprehensive DIY installation guide with video tutorials walks you through setup process, eliminating guesswork and ensuring proper installation.

MRCOOL DIY-09-HP-WM-115D25-O System Specs

BRAND NAME MRCOOL
SERIES DIY 5th gen Single-Zone Mini-splits
MODEL DIY-09-HP-C-115D25-O
SHORT DESCRIPTION MRCOOL 9k DIY 5th Generation Mini-Split Condenser 115v
SEER2 23.6
EER2 14
HSPF2-4 11.5
HSPF2-5 8.6
TONNAGE 0.75
COOLING CAPACITY (BTU) 9000
HEATING CAPACITY (BTU) 10000
VOLTAGE (V) 115
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 20
MIN CIRCUIT AMPACITY (A) 18
ZONE CAPACITY 1
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 30.34
DECIBEL RATING (DBA) 54
INVERTER DC
MAX LINESET LENGTH (FT) 82
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
COMPRESSOR MOTOR TYPE ROTARY
WIFI COMPATIBILITY Yes
APP COMPATIBILITY Yes
WORKS WITH IOS Yes
WORKS WITH ANDROID Yes
UL LISTED Yes
CSA LISTED Yes
ETL LISTED Yes
ENERGY STAR CERTIFIED Yes
AHRI CERTIFIED Yes
REGISTERED WARRANTY Extended Limited Lifetime*
BASE PARTS WARRANTY 5
BASE COMPRESSOR WARRANTY 7
HAS BATTERIES Yes
CONTAINS CHEMICALS Yes
CONTAINS AEROSOL Yes
PROPOSITION 65 WARNING Yes
NET DEPTH (IN) 11.93
NET HEIGHT (IN) 21.85
NET WIDTH (IN) 30.12
NET WEIGHT (LBS) 83.11
GROSS DEPTH (IN) 16.54
GROSS HEIGHT (IN) 27.56
GROSS WIDTH (IN) 36.22
GROSS WEIGHT (LBS) 65.48
FAN ONLY OPTION Yes
QUIET MODE Yes
AUTO COOL Yes
REMOTE CONTROL INCLUDED Yes
CONTAINS ELECTRONICS Yes

MRCOOL DIY-09-HP-WMAH-115D25-O Air Handler Specs

BRAND NAME MRCOOL
SERIES DIY 5th gen Single-Zone Mini-splits
MODEL DIY-09-HP-WMAH-115D25-O
SHORT DESCRIPTION MRCOOL 9k DIY 5th Generation Mini-split Air Handler 115v
TONNAGE 0.75
VOLTAGE (V) 115
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 15
MIN CIRCUIT AMPACITY (A) 3
MOUNT TYPE Wall
COLOR White
MAX COVERAGE AREA 400 sqft
DECIBEL RATING LOW (DBA) 18
DECIBEL RATING HIGH (DBA) 43
NUMBER OF SPEEDS 5
OSCILLATION Yes
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
FILTER TYPE Reusable
AUXILIARY HEATER INCLUDED No
AUXILIARY HEATER AVAILABLE No
FAN ONLY OPTION Yes
QUIET MODE Yes
AUTO COOL Yes
WIFI COMPATIBILITY Yes
APP COMPATIBILITY Yes
WORKS WITH IOS Yes
WORKS WITH ANDROID Yes
REMOTE CONTROL INCLUDED Yes
UL LISTED Yes
ETL LISTED Yes
ENERGY STAR CERTIFIED Yes
AHRI CERTIFIED Yes
REGISTERED WARRANTY Extended Limited Lifetime*
BASE PARTS WARRANTY 5
BASE COMPRESSOR WARRANTY 7
HAS BATTERIES Yes
CONTAINS ELECTRONICS Yes
CONTAINS CHEMICALS Yes
CONTAINS AEROSOL Yes
CONTAINS COMPRESSED GAS Yes
PROPOSITION 65 WARNING Yes
NET DEPTH (IN) 7.44
NET HEIGHT (IN) 11.69
NET WIDTH (IN) 31.57
NET WEIGHT (LBS) 24.91
GROSS DEPTH (IN) 16.34
GROSS HEIGHT (IN) 14.37
GROSS WIDTH (IN) 36.02
GROSS WEIGHT (LBS) 35.49

MRCOOL DIY 9,000 BTU 5th Gen Ductless Mini Split Heat Pump System Resources

Understanding your MRCOOL warranty coverage ensures long-term system performance and protection. All warranties are non-transferable and valid only at the original installation address.

Warranty Coverage by Series

DIY Series 5th Generation Mini-Splits

Models: DIY-09-HP through DIY-36-HP, DIYCASSETTE, DIY-MULTI series

  • Parts: 5 years from proof of purchase
  • Compressor: 7 years from proof of purchase
  • Remote Control: Included in parts warranty
  • Extended Lifetime Warranty: Available with MRCOOL Care Kit Program enrollment (fee required)
  • Installation: Professional installer NOT required when using MRCOOL Quick Connect Pre-Charged Line Set

Advantage Series Mini-Splits

Models: A-09-HP through A-36-HP series

  • Parts: 1 year from proof of purchase
  • Compressor: 2 years from proof of purchase
  • Extended Lifetime Warranty: Available with MRCOOL Care Kit Program enrollment (fee required)

    Must register within 180 days of purchase
    Covers compressor failure only with one-time condenser replacement
    Requires ongoing Care Kit Program maintenance
Easy Pro Series Mini-Splits

Models: EZPRO-09-HP through EZPRO-24-HP series

  • Parts: 1 year from proof of purchase
  • Compressor: 2 years from proof of purchase
  • Extended Lifetime Warranty: Available with MRCOOL Care Kit Program enrollment (fee required)

Central Ducted Systems

Models: CENTRAL-18-HP through CENTRAL-60-HP, MVP Series

  • Parts: 10 years from installation date
  • Compressor: 10 years from installation date
  • Labor: 10 years (installer responsible for first 90 days)
  • Installation: Professional installer NOT required when using MRCOOL Quick Connect Pre-Charged Line Set

Universal Series Split Systems

Models: UHP series, UAH series Air Handlers

  • Parts: 10 years from proof of purchase
  • Compressor: 10 years from proof of purchase
  • Labor: 2 years limited (begins 91 days after purchase, covers diagnostic and repair costs)
  • Installation: Professional installer required

Inverter Package Series

Models: GCSHPM series, GCSCAM series

  • Parts: 10 years from installation date
  • Labor: 5 years limited (manufacturing defects only, begins 91 days after installation)
  • Installation: Professional installation required

Olympus Series Mini-Splits

Models: MDUO, MDUCO, MDUI series

Owner-Occupied Residences:

  • Parts: 5 years standard, 10 years with registration within 60 days
  • Compressor: 5 years standard, 10 years with registration within 60 days

Commercial Applications:

  • Parts & Compressor: 5 years with registration within 60 days
  • Installation: Professional installer required

Key Warranty Conditions

Product Registration:

  • Register at mrcool.com/warranty to activate extended coverage (where applicable)
  • Registration deadlines vary by series (30-180 days from purchase)

Installation Requirements:

  • Must comply with all federal, state, and local electrical codes
  • Must follow MRCOOL installation instructions
  • Must use new, compatible, MRCOOL-approved components
  • Warranty voids if installed with used or incompatible parts

Warranty Does NOT Cover:

  • Labor, diagnostic, shipping, or installation costs (except where labor warranty applies)
  • Normal maintenance (filter cleaning, lubrication, coil cleaning)
  • Refrigerant costs or energy consumption
  • Damage from improper installation, natural disasters, or electrical issues
  • Units moved from original installation address
  • Units installed outside USA and Canada

How to File a Warranty Claim

Contact MRCOOL:

For Labor Claims (Universal/Inverter Package Series within first 2 years):

  • Phone: (844) 518-2040

Required Documentation:

  • Proof of purchase
  • Product registration confirmation (if applicable)
  • Diagnostic testing results (professional HVAC technician may be required)
  • Defective parts must be returned when requested

For complete warranty terms and conditions, visit mrcool.com/warranty

Replacement parts are covered for the remainder of the original warranty period or 30 days, whichever is longer. Some states do not allow exclusion of incidental or consequential damages. This warranty gives you specific legal rights that may vary by state or province.

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MRCOOL DIY 9,000 BTU 5th Gen Ductless Mini Split Heat Pump System - 23.6 SEER2, Energy Star, 115V (DIY-09-HP-WM-115D25-O) Reviews

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