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MRCOOL DIY Mini Split - 36,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump, DIY-B-436HP09090909

SKU DIY-B-436HP09090909
by MRCOOL
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Description

MRCOOL DIY Mini Split - 36,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump, DIY-B-436HP09090909

Picture delivering top-tier climate control that transforms any space into a haven of comfort — all while keeping installation straightforward and efficient. The MRCOOL DIY Mini Split 36,000 BTU 4 Zone system is engineered for contractors and business owners who demand powerful HVAC solutions that simplify their workflow without compromising quality. Ideal for homes, garages, workshops, and commercial spaces, this system lets you provide precise, reliable temperature control that your clients will appreciate year-round.

Durable and Efficient Condenser

At the system’s core is a 36,000 BTU condenser, built tough with Gold Fin® coating to resist corrosion, even in harsh coastal environments. It boasts an impressive 21.5 SEER2 and 8.5 HSPF-5 rating, delivering exceptional energy efficiency that helps reduce operating costs. When temperatures drop to -13°F, this system continues to provide dependable heating, ensuring comfort in the coldest conditions. Plus, with a 7-year compressor warranty and 5-year parts warranty, you can offer your customers peace of mind that lasts.

Perfect Air Handler for Smaller Spaces

Designed to fit rooms between 180 and 375 square feet, the 9,000 BTU air handler is perfect for bedrooms, offices, or cozy nooks where consistent comfort is essential. Its versatile modes — COOL, HEAT, AUTO, DRY, and SLEEP — give your clients complete control over their environment, adapting seamlessly to their lifestyle and seasonal needs.

Installation Made Effortless

Imagine cutting installation time and complexity dramatically. MRCOOL’s patented Pre-Charged Quick Connect Line Sets remove the need for vacuum pumps, refrigerant handling, or specialized tools. The compact, lightweight air handler mounts quickly and easily, letting you complete jobs faster and move on to new projects without hassle.

Smart Control at Your Fingertips

Your customers will value the convenience of the SmartHVAC app, which lets them control their system remotely from anywhere in the world. Adjust temperatures, switch modes, or set schedules with ease — all from their smartphone, enhancing their comfort and control.

Why Choose the MRCOOL DIY Mini Split 36,000 BTU 4 Zone?
  • DIY-friendly installation with patented Pre-Charged Quick Connect Line Sets — no vacuum pumps or refrigerant charging needed
  • Gold Fin® coated condenser for superior corrosion resistance and durability
  • High energy efficiency (21.5 SEER2 / 8.5 HSPF-5) to lower utility costs
  • Reliable heating performance down to -13°F outdoor temperature
  • 9,000 BTU air handler optimized for small to mid-sized rooms with multiple climate modes
  • SmartHVAC app compatibility for remote, convenient control
  • Comprehensive 7-year compressor and 5-year parts warranty

With the MRCOOL DIY Mini Split 36,000 BTU 4 Zone system, you’re offering more than just HVAC equipment — you’re providing your customers with a comfortable, energy-efficient environment that adapts to their lifestyle, all while simplifying your installation process and boosting your business potential.

Condenser (36K BTU)

  • Innovative Installation: Experience seamless installation with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, ensuring a hassle-free process without needing a technician.
  • Corrosion Resistance: Shield your system from coastal elements with the robust Gold Fin® condenser coating.
  • Energy Efficiency: Save on energy with an impressive 21.5 SEER2 and 8.5 HSPF-5 rating.
  • Extreme Performance: Heat efficiently even when temperatures plunge to -13°F.
  • Reliable Warranty: Enjoy peace of mind with a 7-year compressor warranty and a 5-year parts warranty.

Air Handler (9K BTU)

  • Versatile Climate Control: Whether you're in the mood for COOL, HEAT, AUTO, DRY, or SLEEP, these Air Handlers ensure comfort year-round.
  • Perfect Room Coverage: Optimized for spaces ranging from 180 to 375 square feet, perfect for smaller spaces and cozy corners.
  • Smart Control Anywhere: Take command with SmartHVAC app compatibility, offering fingertip convenience from anywhere on the planet.
  • Effortless Installation: The compact and lightweight design makes mounting quick and simple, minimizing installation efforts.
  • Quick Connect System: With MRCOOL’s Pre-Charged Quick Connect Line Set, you can set up easily—no vacuuming or complex tools required!
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US
Request an Installer

Product Overview

  • Zone / ROOM:

    Zone / ROOM: 4 Zone

  • Air Handler BTU:

    Air Handler BTU: 9k + 9k + 9k + 9k

  • Condenser BTU:

    Condenser BTU: 36k

  • Outdoor Operating Temp (Cool/ heat):

    Outdoor Operating Temp (Cool/ heat): Heating -13°F to 75.2°F & Cooling 5°F to 122°F

  • Warranty

    Warranty 7-year compressor & 5-year parts warranty

Description

MRCOOL DIY Mini Split - 36,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump, DIY-B-436HP09090909

Picture delivering top-tier climate control that transforms any space into a haven of comfort — all while keeping installation straightforward and efficient. The MRCOOL DIY Mini Split 36,000 BTU 4 Zone system is engineered for contractors and business owners who demand powerful HVAC solutions that simplify their workflow without compromising quality. Ideal for homes, garages, workshops, and commercial spaces, this system lets you provide precise, reliable temperature control that your clients will appreciate year-round.

Durable and Efficient Condenser

At the system’s core is a 36,000 BTU condenser, built tough with Gold Fin® coating to resist corrosion, even in harsh coastal environments. It boasts an impressive 21.5 SEER2 and 8.5 HSPF-5 rating, delivering exceptional energy efficiency that helps reduce operating costs. When temperatures drop to -13°F, this system continues to provide dependable heating, ensuring comfort in the coldest conditions. Plus, with a 7-year compressor warranty and 5-year parts warranty, you can offer your customers peace of mind that lasts.

Perfect Air Handler for Smaller Spaces

Designed to fit rooms between 180 and 375 square feet, the 9,000 BTU air handler is perfect for bedrooms, offices, or cozy nooks where consistent comfort is essential. Its versatile modes — COOL, HEAT, AUTO, DRY, and SLEEP — give your clients complete control over their environment, adapting seamlessly to their lifestyle and seasonal needs.

Installation Made Effortless

Imagine cutting installation time and complexity dramatically. MRCOOL’s patented Pre-Charged Quick Connect Line Sets remove the need for vacuum pumps, refrigerant handling, or specialized tools. The compact, lightweight air handler mounts quickly and easily, letting you complete jobs faster and move on to new projects without hassle.

Smart Control at Your Fingertips

Your customers will value the convenience of the SmartHVAC app, which lets them control their system remotely from anywhere in the world. Adjust temperatures, switch modes, or set schedules with ease — all from their smartphone, enhancing their comfort and control.

Why Choose the MRCOOL DIY Mini Split 36,000 BTU 4 Zone?
  • DIY-friendly installation with patented Pre-Charged Quick Connect Line Sets — no vacuum pumps or refrigerant charging needed
  • Gold Fin® coated condenser for superior corrosion resistance and durability
  • High energy efficiency (21.5 SEER2 / 8.5 HSPF-5) to lower utility costs
  • Reliable heating performance down to -13°F outdoor temperature
  • 9,000 BTU air handler optimized for small to mid-sized rooms with multiple climate modes
  • SmartHVAC app compatibility for remote, convenient control
  • Comprehensive 7-year compressor and 5-year parts warranty

With the MRCOOL DIY Mini Split 36,000 BTU 4 Zone system, you’re offering more than just HVAC equipment — you’re providing your customers with a comfortable, energy-efficient environment that adapts to their lifestyle, all while simplifying your installation process and boosting your business potential.

Condenser (36K BTU)

  • Innovative Installation: Experience seamless installation with MRCOOL’s patented Pre-Charged Quick Connect Line Sets, ensuring a hassle-free process without needing a technician.
  • Corrosion Resistance: Shield your system from coastal elements with the robust Gold Fin® condenser coating.
  • Energy Efficiency: Save on energy with an impressive 21.5 SEER2 and 8.5 HSPF-5 rating.
  • Extreme Performance: Heat efficiently even when temperatures plunge to -13°F.
  • Reliable Warranty: Enjoy peace of mind with a 7-year compressor warranty and a 5-year parts warranty.

Air Handler (9K BTU)

  • Versatile Climate Control: Whether you're in the mood for COOL, HEAT, AUTO, DRY, or SLEEP, these Air Handlers ensure comfort year-round.
  • Perfect Room Coverage: Optimized for spaces ranging from 180 to 375 square feet, perfect for smaller spaces and cozy corners.
  • Smart Control Anywhere: Take command with SmartHVAC app compatibility, offering fingertip convenience from anywhere on the planet.
  • Effortless Installation: The compact and lightweight design makes mounting quick and simple, minimizing installation efforts.
  • Quick Connect System: With MRCOOL’s Pre-Charged Quick Connect Line Set, you can set up easily—no vacuuming or complex tools required!
Shipping and Return

We offer Free Express Shipping on all of our products. Handling times are 1-2 business days and Delivery takes roughly 3-14 Business days 

For more Shipping information visit here

We offer a 2 Year (730 Day) return for our products. 

For more Return information visit here

COVERAGE AREA

HIVE WARRANTY

HVAC Hive Warranty Information:

HVAC Hive is an authorized dealer for every product on our website. Every HVAC system and component comes with its original manufacturer's warranty, guaranteeing you receive a functional, quality product.

Our 5-Year Parts & Labor Warranty Promise: We go beyond the standard coverage. If a manufacturer's warranty doesn't cover your product for a full 5 years, HVAC Hive will extend both parts and labor warranty to complete the 5-year coverage period.

Example: If your manufacturer covers 2 years parts & labor, we'll cover an additional 3 years — giving you a full 5 years of parts and labor protection.

Warranty Coverage Includes:

  • Parts replacement for manufacturing defects
  • Labor costs for covered repairs
  • System malfunctions and component failures

Warranty Details:

  • Residential, light commercial, and full commercial warranties vary based on your usage
  • Specific warranty terms and coverage periods are listed on each product page
  • Both parts and labor are covered under our extended warranty program

Making a Warranty Claim: Contact our Worker Bee Support team at 1-888-712-2465 or karim@hvachive.com . We'll handle your claim quickly and professionally, covering both parts and labor costs. You can also contact the manufacturer directly if preferred.

Questions? Need help understanding your parts & labor warranty coverage? Our team is here to explain the details and ensure you're fully protected.

Contact US

Commercial HVAC PROS!

Unlock Installer Benefits Now:

  • ✓ Exclusive BULK Pricing
  • ✓ Limited Time Deals
  • ✓ Unmatched Service & Support
  • ✓ Technical support
  • ✓ Extended Warranty & Maintenance
"Their technical expertise in commercial HVAC systems is outstanding. From equipment selection to installation support, they provided everything we needed. The bulk pricing saved us thousands on our multi-building project, and their 24/7 technical support kept us running smoothly."
- Marcus R., HVAC Project Manager, 06/24

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  • ✓ Pre-Vetted, Licensed & Insured Installers
  • ✓ 2-3 Local Options in Your Area
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  • ✓ Fast Response - Within 24 Hours

How it works:

1. Fill out the form below with your project details
2. We'll match you with 2-3 qualified installers in your area
3. Installers contact you directly with quotes and availability
4. You choose the best fit for your project

"I bought a heat pump online but wasn't sure about installation. HVAC Hive connected me with three local contractors within hours. I chose one based on reviews and pricing - he installed it perfectly the next week. Made the whole process so much easier!"
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We'll connect you with installers within 48 hours during business days

Frequently Asked Questions about MRCOOL DIY Mini Split - 36,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump, DIY-B-436HP09090909

Most Frequently Asked Questions

A 36,000 BTU mini split can typically cool 1,200 to 1,500 square feet, depending on insulation, ceiling height, climate, and room layout.
Yes, Mr. Cool DIY mini splits are generally considered good for their easy installation, solid efficiency, and reliable performance, making them a popular choice for homeowners seeking a cost-effective, do-it-yourself solution.
A MRCOOL mini split will typically last 12 to 20 years with proper installation and regular maintenance.

Other Questions

The MRCOOL 36,000 BTU (36k) mini split typically requires a 208/230V, 60Hz, single-phase power supply and a 30-amp double-pole breaker with 10 AWG copper wire, but always check your specific model’s installation manual and follow local electrical codes for exact requirements.
Yes, a ductless mini split system can heat an entire house if it is properly sized and designed with enough indoor units (zones) to cover all living spaces, making it a practical whole-home solution—especially for homes without existing ductwork.

Reviews

Express Free Shipping

Process orders within 1-2 days

Stress Free Returns

Get Covered for (730 days) Returns

Premum Quality

Top Tier Products, Even Better Customer Care

5 Year Warranty

We Believe In Our Products & Our Team