Ductless Mini Splits 101: Pros, Cons, and Everything In Between

Ductless Mini Splits 101: Pros, Cons, and Everything In Between

Ductless mini-split systems garner a lot of attention, but like all things, they have a unique set of pros and cons. So, whether you’re renovating your space or just looking for a new way to manage your indoor climate, it’s essential to understand what a ductless mini-split installation can offer. This blog post will dive into the nitty-gritty of these systems, helping you weigh the benefits and drawbacks and decide if they’re the right fit for your home. Stay tuned!

What is a ductless mini split?

A ductless mini split combines an air conditioner, heater, or both into one small unit. The system has two main components: the outdoor condenser and the indoor evaporator. The condenser sits outside your home, while the evaporator is installed inside a wall or ceiling. These systems don’t require any ductwork—hence the name—and are powered by electricity, making them a great option for homes without existing ducts or those with limited space.

The Pros and Cons of Ductless Mini Splits

To determine whether a ductless mini split is right for your needs, you’ll need to weigh the pros and cons. Start with the advantages:


  1. Energy Efficient:Ductless mini splits are more energy-efficient than traditional HVAC systems. They avoid the energy losses associated with the ductwork of forced air systems, which can account for more than 30% of energy consumption.
  2. Easy Installation:The installation of a ductless mini split system is quick and easy, particularly when compared to the installation of a central air conditioning system. It involves less structural disruption and can be accomplished within a day.
  3. Flexibility:Ductless mini splits are ‘multi-zone’ systems. Each unit can be controlled separately, allowing for different temperatures in each room or ‘zone.’ This is ideal for larger homes, homes with rooms that are seldom used, or families with different temperature preferences.
  4. Quiet Operation:Ductless mini splits are quieter than most traditional air conditioners due to their unique design and the placement of the condenser unit outside the house.
  5. Improved Air Quality:Unlike traditional duct-based systems, mini splits don’t distribute allergens accumulated in the ducts throughout your home. Instead, they rely on a multi-stage filtration system that effectively traps and reduces airborne particles.


  1. Higher Initial Cost:While they save money in the long run due to their energy efficiency, the initial cost of a ductless mini split system can be higher than other systems. According to HomeAdvisor, the average price of a mini-split system is around $3,900 – $7,500.
  2. Requires Regular Maintenance:Ductless mini splits require more frequent maintenance for several reasons. First, since these systems rely on direct air transfer instead of ducts, the filters inside them accumulate dust, allergens, and other airborne particles more quickly. Second, the outdoor unit can be exposed to harsh weather conditions, potentially causing wear and tear or damage over time.
  3. Interior Design Challenges:When it comes to interior design, the installation of a ductless mini split system can pose certain challenges. Unlike centralized systems that are tucked away out of sight, ductless mini splits are visible and need to be wall-mounted, which might not always chime with your home’s aesthetic.
  4. Potential for Uneven Cooling:If not properly positioned, ductless mini splits could lead to uneven cooling or heating within a room or area.
  5. Reduced Efficiency in Extreme Cold:While they are suitable for most climates, ductless mini splits can lose efficiency in extremely cold temperatures, making them less ideal for regions with harsh winters.

Whether you’re looking to upgrade your current air conditioning system or want to save energy, a ductless mini split is worth considering. Do your research and weigh the pros and cons carefully before making any decisions. And if you’re still unsure whether a ductless mini-split system is right for you, consider consulting a professional HVAC technician in your area for advice. With their help, you can make an informed decision about whether a ductless mini-split is the right fit for your home. Consult with the pros today to get started!