MRCOOL 18k DIY 5th Generation Mini-split Air Handler & Condenser 230v
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DIY

MRCOOL 18k DIY 5th Generation Mini-split Air Handler & Condenser 230v

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$2,909.00

The MRCOOL 18k DIY 5th Generation Mini‑Split Air Handler & Condenser (230V) delivers efficient 18,000 BTU heating and cooling for spaces up to 750 sq. ft. This single‑zone system offers true DIY installation with Quick‑Connect line sets, smart‑home controls, quiet operation, and reliable year‑round comfort. Perfect for medium‑sized rooms, workshops, and converted spaces needing high‑performance climate control

#1 in MRCOOL 5th Generation Single Zone DIY Mini Splits
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Description

MRCOOL 18k DIY 5th Generation Mini‑Split System Overview

The MRCOOL 18k DIY 5th Generation Mini‑Split is engineered for efficient, reliable heating and cooling in medium‑sized spaces. With upgraded 5th Gen technology, this system delivers improved low‑ambient performance, quieter operation, and enhanced energy efficiency — all while maintaining the true DIY installation MRCOOL is known for. Whether you’re upgrading a workshop, garage, bonus room, or living area, this system provides year‑round comfort without the need for professional HVAC tools or vacuum pumps.

Key Features

  • 18,000 BTU Heating & Cooling for spaces up to 750 sq. ft.
  • DIY® Quick‑Connect Line Sets — no vacuum pump or gauges required
  • High‑Efficiency Inverter Technology for lower energy consumption
  • SmartHVAC® WiFi Control (iOS, Android, Alexa, Google Assistant)
  • Low‑Ambient Heating for dependable winter performance
  • Follow Me® Remote Sensor for more accurate temperature control
  • Quiet Operation is ideal for living spaces and work environments
  • Leakage Detection alerts you to refrigerant loss
  • Gold Fin® Corrosion‑Resistant Coating for long‑term durability
  • 5‑Year Parts / 7‑Year Compressor Warranty with registration

Ideal For

  • Rooms, offices, and living spaces up to 750 sq. ft.
  • Garages, workshops, and bonus rooms needing year‑round comfort
  • Converted spaces without existing ductwork
  • Homeowners wanting a true DIY installation
  • Medium‑sized areas needing quiet, efficient heating and cooling
  • Spaces requiring 230V power for higher performance

What’s Included

  • 18k BTU DIY 5th Gen Air Handler
  • 18k BTU DIY 5th Gen Condenser
  • Wireless remote with Follow Me®
  • Installation manual
  • Mounting hardware
  • Optional DIY® Quick‑Connect line set (sold separately)

Why Buy From Us

  • Authorized MRCOOL® Dealer
  • Fast, insured shipping
  • Full warranty support
  • No hidden fees
  • Real customer service
  • Trusted by DIY homeowners nationwide

Related Products

  • MRCOOL 12k DIY 5th Gen
  • MRCOOL 24k DIY 5th Gen
  • MRCOOL 36k DIY 5th Gen
  • DIY® Line Sets (15ft, 25ft, 35ft, 50ft)
  • Line Set Couplers
  • Wall Mount Brackets
  • Line Set Covers

Additional Information

BASE COMPRESSOR WARRANTY

BASE PARTS WARRANTY

ENERGY STAR CERTIFIED

MAX COVERAGE AREA

Product Series

REGISTERED WARRANTY

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MRCOOL 5th Generation DIY Single Zone Warranty

Click Link Below For Warranty Document

mc-diy-5-wr-en-01

PROPOSITION 65 WARNING

⚠️ WARNING: This product can expose you to chemicals including lead and other substances 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..

INDOOR:

TONNAGE 1.5
VOLTAGE (V) 208/230
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 15
MIN CIRCUIT AMPACITY (A) 3
MOUNT TYPE Wall
COLOR White
MAX COVERAGE AREA 800 sqft
DECIBEL RATING LOW (DBA) 19
DECIBEL RATING HIGH (DBA) 54.5
NUMBER OF SPEEDS 5
OSCILLATION Yes
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 1/2
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) 8.9
NET HEIGHT (IN) 13.19
NET WIDTH (IN) 42.52
NET WEIGHT (LBS) 35.49
GROSS DEPTH (IN) 17.68
GROSS HEIGHT (IN) 14.29
GROSS WIDTH (IN) 46.73
GROSS WEIGHT (LBS) 49.6

OUTDOOR:

SEER2 22.5
EER2 13.7
HSPF2-4 11.5
HSPF2-5 8.5
TONNAGE 1.5
COOLING CAPACITY (BTU) 18000
HEATING CAPACITY (BTU) 18000
VOLTAGE (V) 208/230
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 20
MIN CIRCUIT AMPACITY (A) 18
COLOR White
ZONE CAPACITY 1
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 44.8
DECIBEL RATING (DBA) 58.5
INVERTER DC
LINE SET LENGTH 25
MAX LINESET LENGTH (FT) 98.4
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 1/2
COMPRESSOR MOTOR TYPE Rotary
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
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) 13.46
NET HEIGHT (IN) 26.5
NET WIDTH (IN) 35.04
NET WEIGHT (LBS) 93.48
GROSS DEPTH (IN) 18.11
GROSS HEIGHT (IN) 29.53
GROSS WIDTH (IN) 40.55
GROSS WEIGHT (LBS) 114.2

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