Aggressive Mechanical, Inc

When to Use a Ductless, Mini-Split System

16 Nov
When to Use a Ductless, Mini-Split System

Ductless mini-split systems have been around for a while, but have only become better known in this country over the last decade. A kind of heat pump, they don’t need ducts to cool or heat, and can be a reasonable option for an add-on, a garage, attic, basement or any smaller space. Read on for more information on mini-split systems.

How Mini-Splits Work

As mentioned above, mini-splits are heat pumps, but do not need ducts to distribute conditioned air. They consist of an outdoor condenser/compressor, and an indoor air handler. The two parts are connected by a conduit that contains the refrigerant and electrical lines. Like a heat pump, they pump refrigerant in and out of the building, the refrigerant absorbing heat inside to cool and outside to warm the home.

Some mini-split models have the capability of being connected to as many as four air handlers, which can be placed in different locations. They also offer versaility in mounting. Depending on the model, the air handler can be placed on the floor, wall or ceiling, or can be free standing.

The Pros of Mini-Splits

Mini-splits are considered quiet, and for the most part efficient, particularly in moderate climates. They don’t usually cost a lot to operate, although installation can be somewhat expensive. They offer clean technology, in that they run on electricity and do not involve any combustion. They are ideal for add-ons and spaces where you don’t want to run ductwork but need cooling and heating.

The Cons of Mini-Splits

One of the major drawbacks of mini-splits in our region is that heat pumps generally don’t work well for heating when temperatures fall below 32 degrees F. This has been improved in recent years, but generally, you need some kind of auxiliary heating, such as auxiliary heat strips on the heat pump — which can be somewhat pricey to keep warm by. Another issue is that mini-splits cost more, when their capacity is compared with central systems.

To learn more about mini-split systems, contact Aggressive Mechanical Contractors. We’ve served Monmouth County since 1948.

Our goal is to help educate our customers in Monmouth County, New Jersey and surrounding areas about energy and home comfort issues (specific to HVAC systems). 

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