Part of this kit — included in the price above.

MRCOOL Advantage 4G 9000 BTU 21.5 SEER Ductless Mini Split Air Conditioner and Heat Pump 115V - Chill Mini Splits

MRCOOL Advantage 4G 9,000 BTU 21.5 SEER Ductless Mini Split Air Conditioner and Heat Pump - 115V

MRCOOL| SKU: A-09-HP-115C Out of Stock

$769.00$929.0017% off

Payment plans

From $64.08/mo with shop Pay View sample plans

$21.36/mo with Paytomorrow Learn More

SAVE NOW:

Amounts shown are maximums; actual savings depend on income, household size, utility, and program rules. Some programs require installation by a licensed or participating contractor and/or specific equipment efficiency ratings. Rebate data by Rewiring America. Not tax or legal advice — verify with the program before purchase. Questions? Call us at (888) 231-8920.

Currently unavailable

Optional accessories

Add common accessories before checkout.

Add coverage
Add coverage

Choose optional coverage for your order.

Protection plan

Use your system worry-free for years to come

  • Comprehensive coverage for mechanical and electrical breakdowns, including power surges
  • Repairs covered 100% for the extended term — labor included, not just parts
  • Coverage for normal wear and tear that affects how the product works
  • Replacement or reimbursement if we can’t repair it
  • $0 deductibles, ever
  • Cancel anytime on a pro-rata basis
  • US-based support and quick claims filing
2-year protection · $149Add two years of optional service contract coverage. 5-year protection · $299Add five years of optional service contract coverage.

Coverage begins after the manufacturer warranty applies, and runs alongside it for items the factory doesn’t cover. Select a plan above the Add to Cart button to include it with your order.

Backed by Chill Mini Splits · (888) 231-8920Detailed terms and conditions

Want it when it’s back?

Leave your email and we’ll let you know the moment it’s restocked.

Product overview

The newly designed MRCOOL 4th generation Advantage Series 9,000 BTU ductless mini split air conditioner has improved efficiency ratings up to 21.5 SEER and is competitively priced. It provides maximum comfort and is designed to heat and cool 375 square feet without requiring any ductwork. This system also comes with a 16 ft. install kit that includes a 100% copper line set. Both the wall mounted air handler and the condenser operate quietly for your comfort while also being eco-friendly, with chlorine-free R-410A refrigerant. This unit is 115V, but we also carry the 230V MRCOOL Advantage 9,000 BTU.

  • 16 ft. install kit included. Contains 16ft line set, copper tubing
  • 10,000 BTU Heat Pump
  • Temperature range: 61°F – 86°
  • R-410A environmentally friendly refrigerant
  • Sleep mode, louver position memory, gold fin anti-corrosion and auto restart functions
  • 1-year compressor, 2-year parts warranty when registered and when installed by a licensed professional
  • Installation by a licensed professional required
  • Includes Remote

Looking for a Do-It-Yourself unit? DIY 9,000 BTU Mini Splits

BRAND NAME MRCOOL
SERIES
Advantage Series 4th Gen
MODEL A-09-HP-115C
GTIN 840255521819
UPC 840255521819
UNIT TYPE Mini-Split
SHORT DESCRIPTION
This new 4th generation Advantage series has an improved SEER rating of 21.5.
LONG DESCRIPTION
Designed to be installed by an HVAC technician, this newly designed 4th generation Advantage Series has a newly improved efficiency rating of 20.5. From the moment of installation and activation, this system provides high performance at a competitive price. In order to remain eco-friendly, the condenser uses chlorine-free R-410A refrigerant. This is a great choice for those looking for quality, value, efficiency, and quiet operation. If you’re looking for superior performance and technology, look no further than this system’s WiFi control module. It allows for an easier setup process and improved functionality, as well as allowing control via your Amazon Alexa or Google Assistant.
BULLET 1
Installation kit included
BULLET 2
Gold Fin® condenser: corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long term corrosion
BULLET 3
The new 4th generation Advantage systems include our SmartHVAC WiFi Control Module with improved setup and enhanced functionality for Apple and Android smart devices. Works with Amazon Alexa. Works with Google Assistant.
BULLET 4
Installation by a licensed professional required where applicable
BULLET 5
1-Year Compressor, 2-Year Parts and 1-Year Remote Warranty when registered and when installed by a licensed professional
BULLET 6
R-410A environmentally friendly refrigerant
BULLET 7
Sleep mode, louver position memory, and auto restart functions
BULLET 8
Convenient for installation and maintenance, compact design of outdoor unit, totally enclosed, permanently lubricated condenser fan motor
SEER 20.5
SEER2 21.5
EER 12.5
EER2 12.5
HSPF
hspf4/hspf5: 10/7.8
HSPF2
hspf2-4/hspf2-5: 9/6.9
COOLING CAPACITY 9000
HEATING CAPACITY 10000
VOLTAGE 115V
PHASE 1
CYCLE 60Hz
MAX FUSE BREAKER 30 A
MIN CIRCUIT AMPACITY 20 A
COLOR White
MAX COVERAGE AREA 375 sqft
ZONE CAPACITY 1
REFRIGERANT TYPE R-410A
REFRIGERANT VOLUME 25.40oz
DECIBEL RATING 31 dBA
DECIBEL RATING LOW 22 dBA
DECIBEL RATING HIGH 36.5 dBA
NUMBER OF SPEEDS 3
MIN AMBIENT HEAT 5 Degrees F
LIQUID LINE SIZE 1/4 in
SUCTION LINE SIZE 3/8 in
FILTER TYPE Washable
LOW VOLTAGE COMPENSATION No
OVERLOAD PROTECTION Yes
ADJUSTABLE THERMOSTAT Yes
FAN ONLY OPTION Yes
QUIET MODE Yes
SLEEP MODE No
AUTO COOL Yes
WIFI COMPATIBILITY Yes
APP COMPATIBILITY Yes
WORKS WITH IOS Yes
WORKS WITH ANDROID Yes
REMOTE CONTROL INCLUDED Yes
UL LISTED Yes
CSA LISTED Yes
ETL LISTED Yes
ENERGY STAR COMPLIANT No
ENERGY STAR CERTIFIED No
AHRI CERTIFIED Yes
REGISTERED WARRANTY
1-Year Compressor, 2-Year Parts and 1-Year Remote
BASE WARRANTY None
REGISTERED PARTS WARRANTY 2-year
BASE PARTS WARRANTY None
REGISTERED COMPRESSOR WARRANTY 1-year
BASE COMPRESSOR WARRANTY None
REGISTERED REMOTE WARRANTY 1-year
BASE REMOTE WARRANTY None
REGISTERED LABOR WARRANTY None
BASE LABOR WARRANTY None
HAS BATTERIES Yes
CONTAINS ELECTRONICS Yes
CONTAINS CHEMICALS Yes
CONTAINS AEROSOL Yes
CONTAINS COMPRESSED GAS Yes
PROPOSITION 65 WARNING Yes
CONDENSER DEPTH 11.93 in
CONDENSER HEIGHT 21.85 in
CONDENSER WIDTH 30.12 in
CONDENSER WEIGHT 57.76 lbs
AIR HANDLER DEPTH 7.36 in
AIR HANDLER HEIGHT 11.42 in
AIR HANDLER WIDTH 28.43 in
AIR HANDLER WEIGHT 16.98 lbs


In-stock systems ship fast and free with curbside freight delivery, typically arriving in 4–10 days. Please inspect each box at delivery and note any damage on the receipt before signing — it keeps any freight claim quick and simple.

Ask AI

Ask AI about this product

Ask our AI product assistant about sizing, compatibility, electrical needs, accessories, shipping, warranty, and install planning.

At a glance

Tech specs

4.6 (10 reviews)
Condenser capacity9,000
Indoor unit(s)9K
Coverage area400 Sq Ft.
Zones / rooms1 Zone
Efficiency22 SEER
Power115 Volt
Line setCustom
Mount typeWall
InstallationProfessional Installation
BrandMRCOOL

Sizing in doubt? Our HVAC experts confirm capacity for your rooms before you order — free. Ask us about utility rebates for high-efficiency heat pumps in your area.