mrcool|SKU:230V

MRCOOL Advantage 5G 36K BTU Mini Split — 1,550 Sq Ft Heating and Cooling

36,000 BTU Ductless Climate Control for Off-Grid and Grid-Independent Homes

36,000 BTU output — Heats and cools up to 1,550 sq. ft.
R-454B refrigerant charge — 80% lower global warming potential
DC inverter efficiency — 18 SEER2 rating keeps utility costs down
Gold Fin® condenser — Corrosion resistant for coastal environments
Smart HVAC control — Wi-Fi with Alexa and Google Assistant
  • FREE System Design Consultation -- Our engineers verify compatibility with your inverter and battery setup
  • FREE Shipping -- Ships free to your door, including LTL freight delivery

$2,020.95

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MRCOOL Advantage 5G 36,000 BTU 18 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V
MRCOOL Advantage 5G 36,000 BTU 18 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V
$2,020.95

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In the box

  • Indoor air handler
  • Outdoor condenser unit
  • Remote control with Follow Me®
  • Smart HVAC Controller Module
MRCOOL Advantage 5G 36,000 BTU 18 SEER2 Ductless Mini Split Air Conditioner and Heat Pump - 230V
MRCOOL Advantage 5G 36K BTU Mini Split — 1,550 Sq Ft Heating and Cooling
$2,020.95

36,000 BTU Ductless Climate Control for Off-Grid and Grid-Independent Homes

The MRCOOL Advantage 5G delivers 36,000 BTU of heating and cooling for spaces up to 1,550 sq. ft. — a field-tested choice for off-grid cabins and grid-independent homesteads that need serious climate control without ductwork. The DC inverter compressor paired with R-454B refrigerant achieves 18 SEER2 efficiency, reducing the draw on your solar battery bank. A built-to-survive Gold Fin condenser resists coastal corrosion, and integrated Wi-Fi lets you manage temperatures remotely via smartphone or voice commands through Google Assistant and Amazon Alexa.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
36K BTU Heat & Cool
Gold Fin Condenser
DC Inverter Efficiency
Built-In Wi-Fi Control
1,550 sq. ft.
Max Coverage Area
18 SEER2
Cooling Efficiency
8.5 HSPF2-4
Heating Efficiency
Cut Utility Dependence Without Sacrificing Comfort

Cut Utility Dependence Without Sacrificing Comfort

Every rate hike is a reminder that grid dependence costs more each year. The MRCOOL Advantage 5G runs on a 208-230V circuit with an 18 SEER2 DC inverter, drawing less power than conventional HVAC while delivering 36,000 BTU across 1,550 sq. ft. At Off Grid Vault, we only carry systems we would install on our own cabins — this unit earned its place because it pairs efficiently with solar-ready power architectures. Whether supplementing a grid-independent setup or reducing your monthly utility pull, this mini split is pre-vetted for real-world off-grid performance.

Corrosion-Resistant Build for Harsh Environments

Corrosion-Resistant Build for Harsh Environments

The Gold Fin® condenser coating resists long-term corrosion — built to survive coastal salt air and humid climates where standard units deteriorate fast. Combined with R-454B refrigerant delivering 80% lower global warming potential than R-410A, this system meets AHRI certification and CEE Tier 1 North efficiency standards. The NEEP ccASHP listing confirms it is rated for cold-climate heat pump performance, so it heats reliably when temperatures drop. A field-tested unit that does not rust out after two seasons on the coast.

Smart Control From Anywhere Without Grid Reliance

Smart Control From Anywhere Without Grid Reliance

Built-in Wi-Fi and the MRCOOL Smart HVAC Controller Module let you adjust temperatures from your phone or use voice commands through Amazon Alexa and Google Assistant. The Follow Me® function on the included remote tracks air temperature around you for consistent comfort. Timer mode and refrigerant leakage detection add operational safety without requiring constant monitoring. In an off-grid setup, these smart controls integrate cleanly into your system architecture — so you stay comfortable without unnecessary complexity.

Is This Mini-Split Right for Your Setup?

Before you add to cart, confirm your site meets these requirements. Need help sizing? Our free system design consultation covers electrical load planning for solar integration.

  • Single zone up to 1,550 sq. ft. — open floor plan or large room
  • Dedicated 208-230V, 1-phase, 60Hz circuit with 35A max fuse breaker and 33A minimum circuit ampacity
  • HVAC professional installation required — ductless setup, no existing ductwork needed

Where This Unit Performs

Designed for single-zone applications where traditional ductwork isn't practical or desired.

Off-Grid Cabin Heating & Cooling
Homestead Great Room or Open Floor Plan
Solar-Powered Climate Control

Full specifications

At a glance

Dimensions
See product page
Power
208-230
Warranty
See product page
Full specifications21 data points across 4 categories

Dimensions

Indoor Unit DimensionsSee product page
Outdoor Unit DimensionsSee product page

Power & Performance

Cooling Capacity36000 BTU
Heating Capacity36000 BTU
SEER218
HSPF2-48.5
Tonnage3
Voltage208-230
Phase1
Cycle60
Max Fuse Breaker35
Min Circuit Ampacity33
InverterDC
Zone Capacity1
Refrigerant TypeR-454B

Materials

Condenser CoatingGold Fin® corrosion resistant
RefrigerantR-454B (80% lower GWP than R-410A)

Compliance & Warranty

AHRI CertifiedYes
NEEP ccASHP ListedYes
CEE Tier1 - NorthYes
Warranty DetailsSee product page

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. Here's what you get when you buy from us.

Free ShippingShips free to your door — no minimums, no thresholds, no fine print on freight charges.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.

Advantage 5G 36,000 BTU 18 SEER2 Ductless Mini Split Air Conditioner and Heat Pump – 230V

Experience premium performance and whole-home comfort with the MRCOOL® 5th Generation 36K BTU 230V Advantage Mini-Split System. Designed for spaces up to 1,550 sq. ft., this powerful and energy-efficient ductless system delivers reliable heating and cooling year-round—without the complexity of traditional ductwork.

At the core of this advanced system is the eco-friendly R-454B refrigerant, which provides up to 80% lower Global Warming Potential (GWP) than older R-410A systems. This upgrade boosts overall energy efficiency while helping reduce greenhouse gas emissions, making it a smarter, greener solution for your home. The system boasts a SEER2 rating of 18 and an HSPF2-4 rating of 8.5, giving you exceptional climate control without spiking your utility bills.

The sleek indoor air handler operates quietly, maintaining consistent temperatures throughout your home while staying out of sight and out of mind. Thanks to its built-in Wi-Fi module, you can control your comfort from anywhere using your smartphone or voice commands via Amazon Alexa or Google Assistant. Schedule overnight temperature adjustments to save energy while you sleep or make changes on the fly—all from your pocket.

Installation must be completed by an HVAC professional, but because this is a ductless mini-split system, setup is typically quicker and more affordable than with conventional systems. Once installed and registered, the MRCOOL® Advantage system is protected by a 2-year parts warranty, 1-year compressor warranty, and 1-year remote control warranty, with the option to extend coverage via the MRCOOL® Care Program’s Limited Lifetime Warranty.

With its combination of high performance, quiet operation, smart technology, and sustainable design, the MRCOOL® 36K BTU Advantage Mini-Split System is the perfect climate control solution for larger living spaces. Experience comfort without compromise—engineered for efficiency, built for peace of mind.



Advantage 5th Gen 36k BTU 230V Condenser Specs

  • SEER2: 18
  • Tonnage: 3
  • Cooling Capacity: 36000 BTU
  • Heating Capacity: 36000 BTU
  • Voltage: 208-230
  • Phase: 1
  • Cycle: 60
  • Max Fuse Breaker: 35
  • Min Circuit Ampacity: 33
  • Zone Capacity: 1
  • Refrigerant Type: R-454B
  • Inverter: DC
  • Max Line Size Length: 213.2 ft
  • Dimensions: 34.84″ H x 42.91″ W x 19.68″ D
  • Weight: 160.27 lbs

Advantage 5th Gen 24k BTU 230V Air Handler Specs

  • Tonnage: 3
  • Voltage: 208-230
  • Phase: 1
  • Cycle: 60
  • Max Fuse Breaker: 15
  • Min Circuit Ampacity: 3
  • Mount Type: Wall
  • Number of Speeds: 5
  • Liquid Line Size: 3/8
  • Suction Line Size 5/8
  • Dimensions: 15.16″ H x 52.76″ W x 17.72″ D
  • Weight: 54.01 lbs



MRCOOL Advantage 5th Gen 36k Mini Split Features

  • 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 detection, and more
  • R-454B refrigerant
  • AHRI certified
  • NEEP ccASHP Listed
  • CEE Tier1 – North
  • 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 support Google Assistant & Amazon Alexa out of the box.



Your Satisfaction with MRCOOL is Guaranteed:

  • Lowest Price Guaranteed
  • Limited 2-Year Parts Warranty
  • Limited 1-Year Compressor Warranty

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About mrcool Mini-Split HVAC

mrcool is a trusted manufacturer of premium mini-split hvac. OffGridVault is an authorized dealer offering the full mrcool lineup with free delivery, price match guarantee, and expert support.

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