If you've been researching heating and cooling options for your home, chances are you've come across the terms ductless system, mini split, and heat pump. Some people use these words interchangeably, but are they the same thing?
The short answer? Not quite, but they’re closely related. Let’s break it down.
As the name suggests, a ductless system doesn’t rely on traditional ductwork to distribute air. Instead, it uses an indoor unit mounted on a wall or ceiling to deliver air directly into a room or zone, connected to an outdoor compressor unit.
Think of it as the category — any system that doesn’t use ducts, whether for heating, cooling, or both.

Most mini splits are used for heating and cooling individual rooms — making them perfect for additions, sunrooms, garages, or even whole-home solutions in the right setting.
So, to recap:
Mini split = a specific kind of ductless system.

Here’s where it gets a little more nuanced:
You can have a ducted or ductless heat pump.
Many mini splits use heat pump technology.
But not all heat pumps are mini splits.
In other words, heat pump is the engine, ductless is the delivery method, and mini split is the vehicle — a compact, targeted solution using both.
If you’re trying to describe a wall-mounted unit that heats and cools a single room or zone without ductwork, it’s safe to call it a ductless mini split heat pump. But depending on who you’re talking to, simplifying to just “mini split” or “ductless system” is fine — just know what you’re really referring to.
Whether you're trying to cool a bonus room, add comfort to a basement, or ditch the ducts altogether, Meridian Heating, Cooling, Plumbing & Electrical can help you understand your options and design the right system for your home.



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