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Pros and Cons of a Mini Split

Written by A. Borrelli Mechanical on 03.03.20


If you share a home with more than one person, you've probably experienced the the temperature argument.There are ways to fix the problem other than putting on an extra sweatshirt. Before you consider secretly turning the thermostat up a few notches, see if a mini-split heating and cooling system is right for you.

What is a Mini-Split?

A mini-split system has an outdoor "compressor" and an indoor "evaporator." These key components allow control of the temperature in individual rooms. Although it sounds simple enough, there are many pros and cons to consider before installing this system.


1. Easy to Install

Like I mentioned earlier, there are 2 main units used to create this system. Installing a mini-split system usually only requires a small hole to link the 2 units cable, tubing, and drain line.

2. Individual Zoning

Newer systems allow up to four indoor units to one outdoor unit. This makes it possible for each indoor unit to have its own thermostat.

3. Cost Saving

With individual zoning, units only need to be turned on when a room is occupied. This uses half the amount of electricity as central air systems, saving you money on your electric bill while reducing your carbon footprint.


1. Looks

Although conveniently placed in each room for comfort, the mini-split system is not the most attractive system. A unit is installed on the upper-wall of a room, making for a slight eye-sore in some cases.

2. Crucial Calculations

A mini split system requires a reliable contractor to install the unit for many reasons. Although it is a simple hole connecting lines, the contractor will be able to determine best location for installation and proper sizing. If a mini-split is installed at an incorrect size or location, it could work improperly or waste energy.

Who Can Benefit From a Mini-Split System?

Multi-Family Homes

The system allows for multi-zones, therefore allowing multiple families to operate their systems individually. 

Locations with Environment Changes

The outside environment is unpredictable and there are frequent temperature changes. A mini-split system is a good way to switch from heat to air without running up a large bill.

Homes with an Addition

When you build onto your home, the addition isn't part of the initial planning and zoning. A simple way to add a heating and cooling system to an addition is using a mini-split unit for that particular part of the house.

To learn more, call A. Borrelli Mechanical today.

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Topics: Heating & Cooling

Guide to A/C