Have you been hearing a lot about ductless mini-split air conditioning units? If you have, you may be wondering if they are any good. Perhaps it is time for your next AC replacement, and you are considering a ductless air conditioner. We are here to discuss whether mini-splits are worth it.
How Do Mini-Splits Work?
A mini-split system has two main parts: an outdoor unit and one or more indoor units mounted on a wall or ceiling. They’re connected by a small line set that carries refrigerant and power. Because each indoor unit delivers air directly into the room, there’s no need for ductwork.
Pros of Mini-Splits
Quick and Simple Installation
If you live in a home without ductwork, a mini-split system will cut out the need to install ductwork. This makes it easier to install. Having ductwork installed can be expensive and time-consuming. With a ductless unit, a small opening in the wall is typically all that’s needed to connect the indoor and outdoor units.
Improved Energy Efficiency and Indoor Air Quality
Ductless systems can be more energy efficient than central AC units since they don’t lose conditioned air in lengthy ducts. Ducts can also become worn out and dirty, which can increase your energy bill and decrease your indoor air quality.
Better Zone Control
Each indoor unit is made to condition a specific area. This means you can set different temperatures in different rooms, since each indoor unit has its own controls.
Useful for Renovations
If you are planning to add on to your home, a ductless unit can be a great fit. You won’t have to extend ductwork to your newly renovated room. All you would have to do is install another indoor unit in that room. Mini-splits are also versatile in where they can be mounted.
Cons of Mini-Splits
The Cost
Depending on your home, a mini-split system can cost more upfront than central air conditioning, especially if your home already has ductwork. The cost will also increase with each indoor unit you add. The more rooms you want to condition, the more expensive it gets. In homes without ducts, however, a mini-split can avoid the cost of installing new ductwork.
Appearance
Each room needs an indoor unit, which is more noticeable than central AC’s discreet vents. The shape and style of the mini-split units may clash with your home’s design.
Higher Maintenance
With central AC units, it is necessary to change your air filter every couple of months or so. However, with a mini-split, the indoor unit’s filters should be cleaned regularly, often monthly, to keep the system running efficiently. Professional maintenance is still recommended at least once a year.
Performance in Extreme Cold
Standard mini-splits can lose heating capacity during very cold weather. Cold-climate models are designed to keep heating at much lower temperatures, which matters during Northeast Ohio winters. Depending on your home, a backup heat source may still be recommended for the coldest days.
Single-Zone vs. Multi-Zone Systems
A single-zone system pairs one outdoor unit with one indoor unit, making it ideal for a single room, addition, or garage. A multi-zone system connects several indoor units to one outdoor unit, allowing you to heat and cool multiple rooms with individual controls.
Mini-Splits vs. Central Air Conditioning
If you have a larger home that already has ductwork, a central AC system may be the better fit. In addition to that, if you have many rooms, it can become more expensive to install mini-split systems. Mini-splits tend to shine in homes without ducts, additions, finished attics or basements, and rooms that are always too hot or too cold.
Are Mini–Splits Worth It for Heating?
Mini-splits can provide heating as well as cooling, since they work as heat pumps. In some homes, this means one system can handle both, while others pair a mini-split with an existing furnace. Cold-climate models can heat efficiently even when temperatures drop below freezing, though capacity decreases as it gets colder outside.
Frequently Asked Questions About Mini-Splits
How Long Do Mini-Splits Last?
With regular maintenance, mini-splits can last many years. Cleaning filters and scheduling annual service helps protect their lifespan.
Can a Mini-Split Heat a Whole House?
A multi-zone system can heat and cool an entire home, depending on its layout and size. A load calculation helps determine how many indoor units you need.
Do Mini-Splits Work in Ohio Winters?
Yes, especially cold-climate models. Your installer can recommend whether you need backup heat based on your home and how you plan to use the system.
Need a Reliable Mini-Split Installed?
Call the experts at Hearn Plumbing Heating & Air for more information on ductless mini-splits. If you would like to install one, we are the perfect team for the job! Learn more about our HVAC installation services, or call us at (440) 428-3905 to schedule a consultation.
