Skip to content
Contact Us Price Match Guarantee FAQs Why Buy From Us About Us Customer Reviews Installer Program Build Your System
MRCOOL Advantage 5G 9,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 115V

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V
Save 30% Save 30%
$1,299.00
$1,299.00 - $1,299.00
$1,299.00
$905.00
$905.00 - $905.00
$905.00
✓ Authorized MRCOOL Dealer
✓ Lowest Price Match Guarantee
✓ FAST & FREE Shipping: In Stock Ready To Ship
✓ Questions? Talk to a MRCOOL Expert: 1-303-876-7654

Login for Exclusive Member Pricing.
Not a member? Create a Free Account.

MRCOOL

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V

The MRCOOL® 5th Generation 12K BTU 230V Advantage Mini-Split System offers efficient, eco-friendly comfort designed for spaces up to 500 sq. ft. This ductless mini-split system includes both the sleek indoor air handler and the high-performance outdoor condenser, working together to deliver consistent heating and cooling year-round—with powerful smart features and environmental responsibility built in.

Both the air handler and condenser utilize next-generation R-454B refrigerant, offering improved energy efficiency and significantly reduced environmental impact compared to previous models. With a Global Warming Potential (GWP) that is about 80% lower than R-410A, this system helps you reduce your carbon footprint while keeping utility costs in check.

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V
Lowest Price Guarantee
Authorized MRCOOL Dealer
Genuine MRCOOL Equipment
Free Shipping
0% APR Financing via Affirm
Talk to a Human: (303) 876-7654

Why the MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V

Dimensions

24.02" H x 34.92" W x 13.27" D

Dimensions

14.96" H x 34.45" W x 11.22" D

Gold Fin® condenser

corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long term corrosion

Includes features such as timer mode, refrigerant leakage

Includes features such as timer mode, refrigerant leakage detection, and more

Keep the included remote close by, and MRCOOL DIY®'s Follow

Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort.

The MRCOOL® Smart HVAC Controller® Module and App fully

The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box.

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V Specifications

SEER2 21.3
Tonnage 1
Cooling Capacity 12000 BTU
Heating Capacity 12000 BTU
Voltage 208-230
Phase 1
Cycle 60
Max Fuse Breaker 15
Min Circuit Ampacity 13
Zone Capacity 1
Refrigerant Type R-454B
Inverter DC
Max Line Size Length 82 ft
Dimensions 24.02" H x 34.92" W x 13.27" D
Weight 64.37 lbs
Mount Type Wall
Number of Speeds 5
Liquid Line Size 1/4

Documentation & Downloads

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V Spec Sheet (PDF)

Lowest Price Guarantee

Find it cheaper at another authorized MRCOOL dealer? Call us before you order and we will take care of you.

Authorized MRCOOL Dealer

This is genuine MRCOOL equipment, sold and supported by Renewable Outdoors as an authorized dealer.

Help From People Who Sell These Every Day

Call (303) 876-7654. We would rather spend ten minutes sizing your system correctly than process a return later.

MRCOOL Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V: Frequently Asked Questions

How long does the Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V last?
The Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V is rated for 60 (Cycle), giving it a long usable service life under normal use.
What voltage does the Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V run on?
The Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V operates at 208-230 (Voltage). Make sure the rest of your system is built for the same voltage before ordering.
How big and heavy is the Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V?
The Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V has dimensions of 24.02" H x 34.92" W x 13.27" D and a weight of 64.37 lbs. Plan your mounting and placement around those figures.
Can I monitor the Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V remotely?
Built-in Wi-Fi connectivity allows for remote temperature control using the MRCOOL® SmartHVAC app or voice commands via Amazon Alexa or Google Assistant.
Is this genuine MRCOOL equipment?
Yes. Renewable Outdoors is an authorized MRCOOL dealer, and this product is genuine MRCOOL equipment.
Does Renewable Outdoors offer financing or price matching?
Yes. We offer 0% APR financing options through Affirm at checkout, and the Advantage 5G 12,000 BTU 21.5 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V is backed by our Lowest Price Guarantee — if you find it cheaper at another authorized MRCOOL dealer, call us at (303) 876-7654 before you order and we will take care of you.
Renewable Outdoors LLC BBB Business Review