Free exclusive 1 year labor & refrigerant warranty on mini splits, additional 3% off at checkout. >$600 orders ship free. Call: 1-615-553-8118

Take Control of Your Comfort

Get started with your new heating and cooling system today by building a customized bundle, speak with one of our HVAC experts, or learn more about our products below.

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Your HVAC System at a Glance

Easy Installation

Easy Installation

Easily install the MRCOOL DIY® using our patented simple mount, connect, and enjoy system. MRCOOL DIY® provides to-the-degree comfort in your space whether you need heat or AC.

Quick Connect Line Set

Quick Connect Line Set

The included Pre-Charged R-410a Quick Connect Line Set allows anyone to install our innovative ductless mini-split without expensive tools or specialized training.

Gold Fin® Corrosion Resistance

Gold Fin® Corrosion Resistance

Gold Fin®Corrosion Resistant condenser coils for long term reliability - even on the coast.

Follow Me® Function

Follow Me® Function

Keep the remote close by, and MRCOOL® DIY® will track the air temperature around you to ensure you receive maximum comfort.

Smartphone App

Smartphone App

If you have WiFi, you can control your HVAC system from anywhere where you have internet access.

Limited Lifetime Warranty

Limited Lifetime Warranty

The DIY® 4th gen Multi-Zone comes with a LIMITED LIFETIME compressor warranty, a 7-year compressor replacement warranty, and a standard 5-year parts warranty for the original registered owner. Only if you buy from MRCOOL Direct can you also get our Direct Protect additional warranty that also covers labor and refrigerant, even if you install the system yourself.

Free One Year Warranty

Enjoy peace of mind with our exclusive free 1 year labor & refrigerant warranty! Need more warranty options with longer terms? We have options!

Need Financing?

We have a financing option for you, regardless of your situation.

Which Bundle Is Right For Me?

Select an option below to view details about each of our bundles and compare to decide which best suits your needs.

DIY 4th Gen

DIY 4th Gen

For homeowners who want a powerful, energy-efficient mini split option for a single room while still avoiding professional installation costs.

MRCOOL’s flagship DIY 4th Generation Multi-Zone Mini Split is perfect for those who want full climate control in multiple rooms without hiring a professional for installation. It offers a higher efficiency rating than the Easy Pro and is available in up to 36k configuration for larger spaces. The pre-charged quick-connect line set makes it the easiest full-featured DIY system available, with advanced smart controls, energy efficiency, and low noise levels.

Stay Informed

How to Install Your Own MRCOOL DIY Ductless Mini Split Heat Pump
How to Install Your Own MRCOOL DIY Ductless Mini Split Heat Pump

Unlike traditional HVAC systems that require professional installation, MRCOOL Direct's DIY systems allow homeowners to set a system up themselves with minimal tools and expertise. Here, we will guide you through the steps...

Read More »
How To Calculate Your Ductless Mini Split System
How To Calculate Your Ductless Mini Split System

  Here are three ways you can get help choosing a minisplit system for your space: You can get live help by calling us now. No pressure. We honestly love talking...

Read More »
Product Feature: Easy Pro
Product Feature: Easy Pro

The Future of HVAC: Unveiling the MRCOOL Easy Pro System In the ever-evolving world of HVAC technology, MRCOOL has consistently been at the forefront of innovation, providing homeowners and businesses...

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Product Feature: 4th Gen Mini Splits
Product Feature: 4th Gen Mini Splits

The Ultimate Comfort: A Deep Dive into the MRCOOL 4th Generation Mini Splits The MRCOOL 4th Generation Mini Splits from MRCOOL Direct are innovative HVAC systems that have redefined what it...

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Highlighted Features

Smartphone App
Smartphone App
Control Heating & Cooling From Anywhere

If you have WiFi, you can control your HVAC system from anywhere where you have internet access.

The Best Warranties
The Best Warranties
Limited Lifetime | 7 Year Compressor & 5 Year Parts AND Direct Protect

Buy from MRCOOL direct and you get MRCOOL's manufacturer warranties and our Direct Protect Extended Warranty on Refrigerant and Labor, too.

Voice Controls
Voice Controls
Amazon Alexa & Google Assistant

The 4th Gen DIY® is fully compatible with Amazon Alexa and Google Assistant.

New DIYPRO® Cable
New DIYPRO® Cable
Safety & Durability

The included DIYPRO® armored cable is shielded in coated flexible conduit providing higher mechanical protection and durability.

5 Zone Options
5 Zone Options
Now Available

Now you'll be able to heat and cool up to 5 rooms at a time with the MRCOOL® DIY® 5 Zone Multi-Zone unit.

Multi-Zone
Multi-Zone
One House, One Solution

Multi-zone technology gives you flexibility and control whenever and wherever you want it.

Low Hassle
Low Hassle
No Duct Work Needed

If you have WiFi, you can control your HVAC system from anywhere where you have internet access.

Personalized Comfort
Personalized Comfort
Degree Temperature Control

Control the temperature of your space down to the degree using MRCOOL DIY's sensor technology.

Easy Install
Easy Install
DIY Convenience

Simply install MRCOOL DIY without the need for expensive tools or specialized training.