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MRCOOL |
SKU: DIYHH-18-HP-WM-230D25

MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System with 25ft line set - 230V - DIYHH-18-HP-WM-230D25

$3,173.00 $3,999.99 Free Shipping
Authorized MRCOOL Dealer
  • DIY Install: No tools, no vacuum, no HVAC license required
  • Advanced Hyper Heat technoHyper Heat: Reliable comfort down to -22°Flogy
  • Smart Control: App, remote, or voice control
  • Ideal for larger rooms (up to ~750 sq ft)
Ships in 1–2 business days · Estimated delivery 4–7 business days
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Overview

MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System - 230V

Experience year-round comfort with the MRCOOL® DIY® 18k BTU 208/230V Hyper Heat 21.2 SEER Ductless Heat Pump Single Zone Mini Split Condenser—a high-performance solution designed for easy installation without the need for professional tools or experience. Perfect for spaces ranging from 500-800 sq. ft. The Hyper Heat model can continue heating down to -22 degrees. 

This system is compatible with both our stylish wall-mounted air handlers and the discreet DIY® OuttaSight® Ceiling Cassette. Installation is quick and hassle-free, thanks to the 25-foot DIY® Quick Connect® line set, which comes pre-charged with eco-friendly R-454B refrigerant. No vacuum pump or gauges required. The included DIYPRO® cable adds extra durability, offering protection against outdoor elements, animals, and everyday wear. Control your comfort effortlessly with several convenient options: a handheld remote, the SmartHVAC mobile app for Apple and Android, or hands-free voice commands via Amazon Alexa and Google Assistant. The Gold Fin® condenser coating helps resist corrosion, making it a dependable option even in coastal climates. Advanced features enhance both convenience and efficiency. Auto-Restart resumes unit function after a power outage, Timer allows for customized operation based on your schedule, and Sleep maximizes energy usage while you sleep.

For ultimate peace of mind, the MRCOOL® DIY® 18k BTU Hyper Heat Single Zone Mini Split includes a 7-year compressor and 5-year parts warranty following online registration. Give yourself additional protection with enrollment in the MRCOOL® Care Program, which includes a limited lifetime replacement program and an annual care kit for lasting performance and confidence.

Condenser Specifications: 

BRAND NAME MRCOOL
SERIES DIY Hyper Heat
MODEL
DIYHH-18-HP-C-230D25-O
GTIN 840255588096
UPC 840255588096
UNIT TYPE Mini-Split
EQUIPMENT TYPE Condenser
SHORT DESCRIPTION
DIY 5th Gen - R454B - 18K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit
WORKS WITH
DIYCASSETTE18HP-230D25-O DIY-18-HP-WMAH-230D25-O
SEER2 21.2
EER2 12.5
HSPF2-4 11
HSPF2-5 8.5
CFM 1765.8
TONNAGE 1.5
COOLING CAPACITY (BTU) 18000
HEATING CAPACITY (BTU) 18000
VOLTAGE (V) 208/230
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 25
MIN CIRCUIT AMPACITY (A) 19
COLOR White
MAX COVERAGE AREA 800
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 52.21
DECIBEL RATING (DBA) 58
INVERTER Yes
MIN AMBIENT COOL (F) -22
MIN AMBIENT HEAT (F) -22
LINESET INCLUDED Yes
LINE SET LENGTH 25ft
MAX LINESET LENGTH (FT) 75
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 1/2
COMPRESSOR MOTOR TYPE Rotary
CONDENSER FAN MOTOR RPM 780/700/550
METERING DEVICE EEV
UL LISTED Yes
CSA CERTIFIED Yes
ETL CERTIFIED Yes
ENERGY STAR CERTIFIED Yes
AHRI CERTIFIED Yes
REGISTERED WARRANTY
7-Years Compressor, 5-Years Parts
BASE WARRANTY 5-Years Parts
BASE PARTS WARRANTY 5 Years
BASE COMPRESSOR WARRANTY 7 Years
CONTAINS ELECTRONICS Yes
CONTAINS CHEMICALS Yes
CONTAINS COMPRESSED GAS Yes
PROPOSITION 65 WARNING Yes
RESTRICTED STATES GU;PR;VI
NET DEPTH (IN) 13.46
NET HEIGHT (IN) 26.5
NET WIDTH (IN) 35.04
NET WEIGHT (LBS) 99.87
GROSS DEPTH (IN) 18.11
GROSS HEIGHT (IN) 29.53
GROSS WIDTH (IN) 40.55
GROSS WEIGHT (LBS) 120.15

 

Air Handler Specifications: 

BRAND NAME

MRCOOL

SERIES

DIY 5th gen Single-Zone Mini-splits

MODEL

DIY-18-HP-WMAH-230D25-O

GTIN

00840255587044

UPC

840255587044

SHORT DESCRIPTION

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

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

 

What's in the box

  • Outdoor Condenser DIYHH-18-HP-C-230D25-O
  • Indoor Air handler DIY-18-HP-WMAH-230D25-O
  • 25-foot DIY® QuickConnect® line set
  • DIYPRO® cable
  • Wi-Fi SmartHVAC Control Module
  • Remote
  • Installation Manuals & Warranty Documents

Installation & Guide

Brochure

Install Manual 

Warranty Doc

MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System with 25ft line set - 230V - DIYHH-18-HP-WM-230D25

MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System with 25ft line set - 230V - DIYHH-18-HP-WM-230D25

$3,173.00 $3,999.99
MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System with 25ft line set - 230V - DIYHH-18-HP-WM-230D25

MRCOOL DIY 18,000 BTU 5th Gen Hyper Heat Single Zone Mini Split System with 25ft line set - 230V - DIYHH-18-HP-WM-230D25

$3,173.00 $3,999.99 Free Shipping

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