What Materials Do You Need When Installing a Ductless Mini-Split System?

What Materials Do You Need When Installing a Ductless Mini-Split System?

By Contractors.com Team March 31, 2023

If you're a homeowner who is considering installing a ductless mini-split system, it's important to know what materials you'll need for the job. A ductless mini-split system is an excellent way to heat and cool your home, and it's relatively easy to install. However, you'll need to make sure that you have all the necessary materials on hand before you begin.

Here are the materials you'll need when installing a ductless mini-split system:

Ductless Mini-Split System

The first thing you'll need is a ductless mini-split system. This includes an outdoor unit and an indoor unit. Make sure you choose a system that is the right size for your home and that meets your heating and cooling needs.

Mounting Brackets

You'll need mounting brackets to secure the outdoor unit to the wall. Make sure the brackets are strong enough to hold the weight of the unit.

Drill and Drill Bits

You'll need a drill and drill bits to make holes in the wall for the mounting brackets and to run the refrigerant lines and electrical wires through.

Refrigerant Lines

Refrigerant lines are used to connect the outdoor unit to the indoor unit. Make sure you choose the right size and length of refrigerant lines for your system.

Electrical Wire

You'll need an electrical wire to connect the indoor unit to the outdoor unit and to connect the system to your home's electrical system. Make sure you choose the right gauge of wire for your system.

Line-Set Cover

A line-set cover is used to cover the refrigerant lines and electrical wires that run from the outdoor unit to the indoor unit. This helps to protect them from the elements and makes the installation look neater.

Condensate Pump

If your indoor unit is installed on a wall that doesn't have a nearby drain, you'll need a condensate pump to pump the condensation from the unit to a drain.

Vacuum Pump

A vacuum pump is used to evacuate the air from the refrigerant lines before the system is charged with refrigerant.


Refrigerant is used to cool and heat the air in your home. Make sure you choose the right type and amount of refrigerant for your system.

HVAC Tools

You'll need a variety of HVAC tools, such as a pipe cutter, flaring tool, and torque wrench, to install the system properly.

Installing a ductless mini-split system requires a bit of planning and preparation. By making sure you have all the necessary materials before you begin, you can ensure that the installation goes smoothly and that your new system works properly.

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Written by
Contractors.com Team

Written by Contractors.com Team

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