DIY Select 1st Gen 9K BTU 115V R‑454B Mini‑Split White
DIY Select 1st Gen - R454B - 9K BTU 115V White Wall Mount Air handler + Condenser - Image 2
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2 Year compressor 1 year parts warranty

DIY Select 1st Gen – R454B – 9K BTU 115V White Wall Mount Air handler + Condenser

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$1,249.00

: $1,249.00

The DIY Select 1st Gen 9K BTU 115V R‑454B Mini‑Split White delivers efficient heating and cooling with a clean white wall‑mount air handler and matching condenser. Designed for true DIY installation with pre‑charged Quick‑Connect® line sets, this system offers quiet comfort, inverter performance, and next‑generation R‑454B refrigerant for small rooms, offices, and add‑on spaces.

#1 in MRCOOL DIY Select 1st Gen
GTIN: 840433619505 SKU: 2546 Category: Tags: , , , , , , , , , Brand:
GTIN: 840433619505
MPN: DIYS-09-HP-115A11-O
Brand: MRCOOL

Description

The DIY Select 1st Gen 9K BTU 115V R‑454B Mini‑Split White System delivers efficient, whisper‑quiet heating and cooling in a compact, homeowner‑friendly package. Designed for small rooms, offices, studios, and add‑on spaces, this system combines R‑454B next‑generation refrigerant, inverter technology, and true DIY installation—no vacuum pump, no special tools, no EPA certification required.

Key Features of the MRCOOL DIY Select 1st Gen 9K BTU 115V R‑454B Mini‑Split White

  • 9,000 BTU Capacity Ideal for bedrooms, home offices, small living areas, and insulated garages.

  • 115V Power Plugs into a standard household circuit, making installation easier and more flexible.

  • R‑454B Refrigerant Low‑GWP, environmentally forward refrigerant engineered for future regulatory compliance.

  • DIY‑Friendly Installation Includes pre‑charged Quick‑Connect® line set, eliminating the need for gauges, vacuum pumps, or refrigerant handling.

  • Inverter Compressor Technology Automatically adjusts output to maintain steady comfort while reducing energy consumption and noise.

  • Smart Control Ready Compatible with the MRCOOL® SmartHVAC app for smartphone control, scheduling, and monitoring.

  • Quiet Operation Both the indoor air handler and outdoor condenser operate at low sound levels for peaceful comfort.

  • Sleek White Wall‑Mount Design Modern, clean appearance that blends into any room style.

What’s Included

  • 9K BTU Wall‑Mount Air Handler (White)

  • 9K BTU Outdoor Condenser

  • Pre‑charged R‑454B Quick‑Connect® line set

  • Communication cable

  • Wall sleeve & installation hardware

  • Remote control

Ideal For

  • Bedrooms up to ~350 sq ft

  • Home offices

  • Small apartments or studios

  • Bonus rooms and add‑on spaces

  • Workshops or insulated garages

Why Choose the DIY Select Series?

The DIY Select 1st Gen 9K BTU 115V R‑454B Mini‑Split White line brings MRCOOL’s signature homeowner‑installable technology into a streamlined, cost‑effective package. You get high efficiency, low noise, modern refrigerant, and true DIY capability—all backed by MRCOOL’s trusted engineering.

Additional Information

BASE COMPRESSOR WARRANTY

Base Labor Warranty

BASE PARTS WARRANTY

ENERGY STAR CERTIFIED

EQUIPMENT TYPE

MAX COVERAGE AREA

Product Series

TONNAGE

UNIT TYPE

VOLTAGE (V)

115v

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Proposition 65 Warning California Residents Only

⚠ California Proposition 65 Warning This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. These warnings are provided in accordance with California law to help consumers make informed decisions. For more information, visit www.P65Warnings.ca.gov (p65warnings.ca.gov in Bing).

Product FAQ

Is this the white version of the DIY Select 1st Gen system?
Yes. This listing is for the white wall‑mount air handler and matching condenser. A black version is available separately.
Does the DIY Select 1st Gen use R‑454B refrigerant?
Yes. This system comes pre‑charged with R‑454B, a low‑GWP, next‑generation refrigerant designed for future regulatory compliance.
Can homeowners install this system without a licensed HVAC technician?
Yes. The DIY Select 1st Gen includes pre‑charged Quick‑Connect® line sets, allowing installation without vacuum pumps, gauges, or EPA certification.
What size room will the 9K BTU system heat and cool?
The 9K BTU model is ideal for small rooms up to ~350 sq ft, including bedrooms, offices, and studio spaces.
Does the system run on standard household power?
Yes. This 9K BTU model uses 115V, making installation easier in most homes.
Is the DIY Select 1st Gen compatible with smart controls?
Yes. It works with the  MRCOOL® Comfort app, which allows you to adjust temperatures, create schedules, and monitor energy use from anywhere. Voice-control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience.
How quiet is the indoor air handler?
The white wall‑mount air handler operates at low sound levels, making it suitable for bedrooms and work areas.
What is included in the box?
Air handler, condenser, pre‑charged line set, communication cable, wall sleeve, installation hardware, and remote.

MRCOOL Select Warranty

mc-diys-5-wr-en

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Outdoor:

SEER2 17.5
EER2 9.8
HSPF2-4 8.8
HSPF2-5 6.8
TONNAGE 0.75
COOLING CAPACITY (BTU) 9000
HEATING CAPACITY (BTU) 9000
VOLTAGE (V) 115
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 20
MIN CIRCUIT AMPACITY (A) 17
COLOR White
ZONE CAPACITY 1
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 17.28
DECIBEL RATING (DBA) 54
INVERTER Yes
LINESET INCLUDED Yes
LINE SET LENGTH 11.5 ft.
MAX LINESET LENGTH (FT) 75 ft.
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
COMPRESSOR MOTOR TYPE Rotary
CONDENSER FAN MOTOR TYPE DC
CONDENSER FAN MOTOR RPM 850/700/600
METERING DEVICE EEV
UL LISTED Yes
CSA LISTED Yes
ETL LISTED Yes
ENERGY STAR CERTIFIED No
AHRI CERTIFIED Yes
BASE WARRANTY 1 Year Parts, 2 Years Compressor
BASE PARTS WARRANTY 1 Year Parts
BASE COMPRESSOR WARRANTY 2 Years Compressor
CONTAINS ELECTRONICS Yes
CONTAINS CHEMICALS Yes
CONTAINS COMPRESSED GAS Yes
PROPOSITION 65 WARNING Yes
NET DEPTH (IN) 10.63
NET HEIGHT (IN) 19.49
NET WIDTH (IN) 28.35
NET WEIGHT (LBS) 54.67
GROSS DEPTH (IN) 16.54
GROSS HEIGHT (IN) 27.36
GROSS WIDTH (IN) 36.22
GROSS WEIGHT (LBS) 66.58

Indoor:

TONNAGE 0.75
VOLTAGE (V) 115
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 15
MIN CIRCUIT AMPACITY (A) 3
COLOR White
MAX COVERAGE AREA 400 sq. ft.
ZONE CAPACITY 1
REFRIGERANT TYPE R-454B
DECIBEL RATING LOW (DBA) 18
DECIBEL RATING HIGH (DBA) 43
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
BLOWER MOTOR TYPE DC
BLOWER MOTOR RPM 1050/810/690
FILTER TYPE Reusable
ADJUSTABLE THERMOSTAT Yes
FAN ONLY OPTION Yes
SLEEP MODE Yes
AUTO COOL Yes
WIFI COMPATIBILITY Yes
APP COMPATIBILITY Yes
WORKS WITH IOS Yes
WORKS WITH ANDROID Yes
REMOTE CONTROL INCLUDED Yes
BASE WARRANTY 1 Year Parts
BASE PARTS WARRANTY 1 Year Parts
BASE REMOTE WARRANTY 1 Year
HAS BATTERIES Yes
CONTAINS ELECTRONICS Yes
CONTAINS CHEMICALS Yes
CONTAINS COMPRESSED GAS Yes
PROPOSITION 65 WARNING Yes
NET DEPTH (IN) 7.87
NET HEIGHT (IN) 11.5
NET WIDTH (IN) 28.7
NET WEIGHT (LBS) 23.81
GROSS DEPTH (IN) 13.97
GROSS HEIGHT (IN) 16.34
GROSS WIDTH (IN) 36.02
GROSS WEIGHT (LBS) 33.95

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