Skip to product information
1 of 10


MR COOL DIY 36K BTU Ductless Mini Split Heat Pump Complete System, Energy Star, 4th Gen

MR COOL DIY 36K BTU Ductless Mini Split Heat Pump Complete System, Energy Star, 4th Gen

SKU: DIY-36-HP-WM-230C28

Regular price $2,888.00
Regular price Sale price $2,888.00
Sale Temporarily Out of Stock

🚚 Fast Delivery Times
❓Questions? Talk to Experts 469-809-4999
🧑🏻‍💼Post-Purchase Lifetime Customer Support
🛡️Premium Authorized Dealer - Warranty Included

MRCOOL DIY 36K BTU Ductless Mini Split Heat Pump Complete System, Energy Star, 4th Gen

The MRCOOL 4th Generation DIY 36K BTU, 18.30 SEER2 Ductless Heat Pump is a high-performance single-zone system that can heat and cool an area of up to 1,500 sq. ft. It includes a 36K condenser, 36K air handler, and a 25 ft. pre-charged line set with R-410A refrigerant, and can achieve an 18.3 SEER2 efficiency rating. The patented MRCOOL Pre-Charged Quick-Connect Line Set makes installation easy, requiring only a few hand tools for refrigerant piping connections.
In addition to its impressive performance and easy installation, this system also has several operational functions and features that make it stand out. Users can choose from six operation modes, including AUTO, HEAT, COOL, FAN-ONLY, DRY (dehumidification), and SLEEP. The Follow Me function allows for constant temperature adjustment based on the location of the handheld remote controller, and the system can be controlled with a smartphone using the Smart HVAC app for Apple or Android devices. MRCOOL offers a limited lifetime compressor warranty for this system.

Key Features

  • This system offers an SEER2 efficiency rating of up to 18.5 and comes equipped with a Gold Fin® condenser that is resistant to corrosion, making it ideal for coastal areas.
  •  Its variable-speed DC inverter compressor technology helps to reduce operating costs, and it uses R-410A, an environmentally friendly refrigerant. 
  • The system comes with a standard 7-year compressor/5-year parts warranty, and you can register to receive a limited lifetime compressor warranty.

Product Specification

Condenser Dimensions 37.24"W x 16.14"D x 31.89"H
Condenser Weight 147.27 lbs
Air Handler Dimensions 49.57"W x 11.10"D x 14.25"H
Air Handler Weight 47.84 lbs
SEER2 18.30
EER2 8.7
EER 8.7
COP 47 2.81
HSPF hspf4/hspf5 : 12/9
CFM 673.53/502.94/367.65
Tonnage 3
Cooling Capacity 36,000 BTU
Heating Capacity 36,000 BTU
Voltage Requires a minimum of 208-230V/60HZ/28-35A (please check your home meets this electrical requirement prior to purchase)
Phase 1
Cycle 60 Hz
Max Fuse Breaker 35 A
Min Circuit Ampacity 28 A
Color White
Rate Load 0.50 A
Max Coverage Area Up to 1,500 sqft
Zone Capacity 1
Refrigerant Type R-410A
Refrigerant Volume 111.1 oz
Decibel Rating 52/45/34
Decibel Rating Low 34 dBA
Decibel Rating High 52 dBA
Oscillation 4-W
Inverter Yes
Min Ambient Cool 5F - 122F
Min Ambient Heat 5F - 75F
Line Set Length 25ft
Max Lineset Length 98.42 ft
Liquid Line Size 3/8 in
Suction Line Size 5/8 in
Compressor Motor Type Rotary
Condenser Fan Motor RPM 950/250
Blower Motor RPM 1200/950/750
Auxiliary Heater Available No
Modes Fan OnlyQuiet ModeAuto Cool
Wifi Compatibility Yes
App Compatibility Yes
Compatible with IOSAndroid
Includes RemoteBatteries
Certifications UL ListedEnergy StarAHRI
Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts
Restricted States GU;PR;VI

You can use this coverage chart to determine the appropriate number of BTUs needed to cool or heat your desired area.

  • Square Feet: 180-375 | BTU = 9K
  • Square Feet: 376-500 | BTU = 12K
  • Square Feet: 501-750 | BTU = 18K
  • Square Feet: 751-1,000 | BTU = 24K
  • Square Feet: 1,001-1,500 | BTU = 36K

Other factors, such as insulation quality, ceiling height, and the number of appliances in the room, may affect the system's performance. For further help, please get in touch with our Sales Team.



        Warranty information may vary depending on the manufacturer, so please refer to the individual product pages for details. It's important to note that warranties cover damages that occur over time and from use. If an item arrives damaged and is not reported within 30 days, it is not considered a warranty claim.

        For any questions, please contact support @

        Shipping & Returns

        Cancellation & Refund Policy:

        At The Home Upgrade, we take pride in offering one of the industry's best return policies. You can cancel your order free of charge at any time before it has shipped, with some exceptions for custom-made orders. For cancellations, please contact us at 469-809-4999 or email support @

        Cancellations (Before Order Ships):

        If you need to cancel an order, please contact us as within 24 hours so that we can process a full refund before your order is shipped from the warehouse. You can reach our agents during business hours at (469) 809-4999, through the chat in the bottom right, or by emailing at any time.

        Cancellations of Custom Orders:

        Custom or made-to-order products cannot be cancelled or refunded, as these products are specifically produced for your order. These units are custom made according to your specifications or created once you place your order. Your warranty ensures that you receive a fully functional and operational product. If you are unsure whether your order is custom or made-to-order, please message or call us for clarification. All sales are final for custom-made and made-to-order products.

        Refunds and Returns:

        If you need to exchange your product, you may do so, but please note that you, as the customer, are responsible for any shipping costs incurred during the returns and exchange process. Please be aware that not all orders are eligible for return once they have shipped, as we source our products directly from manufacturers. Therefore, if the manufacturer does not permit us to return a product, we are unable to offer you a return. This policy may vary on a case-by-case basis, so please reach out to us for specific information regarding your brand and/or product. Due to the increasing costs of LTL/freight shipping, outright returns will be subject to a 25% cancellation fee plus return shipping costs. However, if you are replacing the product with something else, we may be able to assist with covering some of the costs, depending on the product.

        Shipping Times:

        We strive to deliver your order as quickly as possible. Estimated shipping times provided on the product pages are based on information from our suppliers and freight companies, but these estimates may change or vary without notice due to factors such as supply chain issues, delays in steel mills, manufacturing delays due to mills, high demand on shipping, factory/warehouse and dock workers, and so on).

        Order delays are beyond The Home Upgrade's control and have proven to be unavoidable. We understand that this may be frustrating, and we kindly ask for your patience and understanding during these challenging times. We appreciate your business and value your patience.


        Frequently Asked Questions:

        When will I know if my order has shipped?

        Once you place your order, you will receive an order confirmation email. This means that we have received your order and authorized your credit card for the purchase. We immediately check with our suppliers to confirm stock availability for immediate shipment. If your item is on backorder or unavailable, we will void the pre-authorization and notify you by email. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment. In case of any delay in stock, we will contact you before accepting payment.

        When will my order be shipped?

        If your order is in stock and we have processed the charges to your credit card, it will be shipped within 2-5 business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the email address you provided during checkout. If you do not receive tracking information within six business days of your order, please feel free to follow up with us at support@

        Shipping is limited to the lower 48 states of the USA. For any questions, please email us at support @ or call us at (469) 809-4999.

        By using the site, you agree to these terms of use. If you do not agree, please refrain from using the site.

        View full details

        Recently Viewed Products