MRCOOL DIY Mini Splits Frequently Asked Questions - FAQ
This is a comprehensive FAQ guide on MRCOOL mini split systems. Find answers to 19 of the most frequently asked questions about MRCOOL to see if they are right for you.
How long do MRCOOL mini splits last?
With proper maintenance, MRCOOL mini splits typically last 12-20 years. Regular cleaning of filters, proper installation, and annual professional maintenance can help extend their lifespan.
What is the most affordable MRCOOL mini split system in 2025?
The MRCOOL Advantage series is the most affordable but requires an HVAC professional to install it. The most affordable DIY systems are from the MRCOOL Easy Pro line.
Is MRCOOL better than Mitsubishi mini split?
They are both highly recommended split systems, but Mitsubishi requires an HVAC professional to install it, whereas MRCOOL specializes in DIY (Do It Yourself) systems.
What size room will a 12,000 BTU mini split cool?
A 12,000 BTU MRCOOL mini split can effectively cool a room between 400-600 square feet, depending on factors like ceiling height, insulation quality, sun exposure, and local climate conditions.
Is MRCOOL made in China?
Yes, MRCOOL mini splits are designed in Kentucky and assembled in China. The company is based in Hickory, Kentucky and partner with Chinese manufacturers while maintaining quality control standards.
How long is the MRCOOL warranty?
It depends on the type of system but the 4th generation DIY series has a 7 year compressor warranty, and a 5 year parts warranty.
How long has MRCOOL been in business?
MRCOOL has been operating since 2014. They're relatively new compared to other HVAC manufacturers but have quickly gained popularity through their DIY HVAC technology that allows homeowners to easily install themselves.
Is MRCOOL Energy Star Certified?
Yes, many MRCOOL mini split models are Energy Star certified, including their DIY series and Advantage series, meeting efficiency standards set by the EPA.
Where is the best place to buy MRCOOL mini splits?
It depends on what works best for you. If you want the best deal and fastest shipping, Chill Mini Splits is the way to go. You can also try other online retailers, or shop local at places like Lowes and Home Depot, though they might not have the variation you are looking for.
Does MRCOOL only sell mini splits or do they have other systems?
MRCOOL offers various HVAC products including traditional central air systems, heat pumps, packaged units, and air handlers, though they're best known for mini splits.
Do MRCOOL mini splits also have heat?
Yes, MRCOOL mini splits are heat pumps that provide both cooling and heating. They can efficiently heat spaces even in temperatures as low as -13°F (-25°C). The Hyper Heat systems can heat spaces down to -22°F.
Can I install a MRCOOL AC system myself?
Yes, MRCOOL specializes in DIY systems that make it easy for almost anyone to install it themselves.
What can I do about the extra length of my MRCOOL Quick Connect Lineset?
It’s recommended to coil the excess up, and cover it with a protective lining behind the outdoor unit or along the mounting wall.
Do you have to vacuum the lines on a MRCOOL mini split?
No vacuum pump is needed for DIY series units as they come pre-charged with quick-connect lines. However, Advantage series installations require line evacuation.
Is the Advantage Series Mini Split a Do-it-yourself system?
No, the Advantage Series requires professional installation including vacuum evacuation of lines and refrigerant handling, unlike the DIY series.
How can I extend my lineset length if the ones that come with it aren’t long enough?
If you need extra length you can order a Lineset Coupler Kit, which you can use to connect 2 linesets together.
What is the temperature range on a 4th generation MRCOOL DIY system?
The 4th generation MRCOOL systems can cool in temperatures up to 122°F (50°C) and heat in temperatures down to -13°F (-25°C).
We hope this answers most of your questions about MRCOOL. If you have other questions or concerns feel free to reach out, we are here to help!
Is MRCOOL a Chinese company?
No, MRCOOL is an American company headquartered in Kentucky, USA. Their HQ is located at 48 Remington Way, Hickory, KY 42051.
What do I do if I have an issue with my MRCOOL system?
The easiest way to get help with your MRCOOL mini split is to email MRCOOL at support@mrcool.com
