How Do Ductless Mini-Splits Work

kevin Wu • February 22, 2024

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how do ductless mini splits work

Ductless mini split air conditioning is the newest technology in cooling, heating, and ventilation. It's an innovative way to bring the benefits of a central air conditioner into your home without having to run power lines throughout your home. 


In this article we'll explore how ductless mini splits work, why you might want to consider installing one, and what other options are available for cooling your home.


What Is A Mini Split Ac?


Mini split air conditioning is a type of cooling system that uses a refrigerant to cool the air. This allows for smaller units and more efficient operation than traditional AC units, but it also means that there are fewer moving parts in the system.


Mini splits operate by pumping liquid refrigerants through a sealed loop containing fans and coils, which transfer heat from inside your home to outside it. The amount of energy required to operate each unit depends on how cold you want it: if you're looking for cool comfort levels (65 degrees Fahrenheit), then you'll need an inefficient model with no indoor coil--and maybe even some ice cubes! 


In contrast, if all you need is frosty comfort (40 degrees Fahrenheit), then consider investing in one with multiple indoor coils instead of just one or none at all!


How Do Ductless Mini Splits Work?


Mini splits are a type of air conditioning system that uses a mini-split air handler. The mini split air handler is a small unit that's installed in the attic of your home and connected to your main air handler by way of ductwork.


Mini splits are great for homes with lots of open space, as they allow for more floor area between where people live and where they sleep (or vice versa). They also work well if you have children or pets who tend to be active at night and prefer cooler temperatures than their parents do during the day--a problem many families face when trying out different types of ACs!


Why Use A Mini Split AC?

You may be wondering if you should invest in a ductless mini split AC. Here's what you need to know about this air-conditioning technology:


Ductless mini splits are quieter than traditional central air conditioning units. They also run more efficiently, which means that they can cool your entire home with less energy and money than their central counterparts.


Ductless mini splits are more reliable than traditional central air conditioning systems because there's no risk of freezing or breaking down when it comes to installing or maintaining them--and they don't use as much electricity either! This means that you spend less time worrying about whether or not your system is working properly, which makes life easier overall!


Benefits Of Ductless Mini Splits.


Ductless mini split heat pumps are more effective than traditional heat pumps because they use less energy. They can help you save money on your utility bill, as well as make your home more comfortable.


Ductless mini splits also offer a quieter environment compared to older conventional heating and cooling systems. This is especially important if you have sensitive ears or other health concerns that may be aggravated by noise pollution in the house or office space where you spend time each day (like myself).


In addition to being quieter, ductless mini splits are also more efficient than traditional HVAC systems when it comes to cooling your home during peak hours of activity--such as during the summertime months when temperatures soar outside! 


This makes them much better suited for those who live in hot climates or don't want their thermostat set at 75 degrees all year long; these systems will automatically adjust based on how hot it gets outside so there's no need for manual adjustments once again every single morning when getting ready for work/school etcetera ;)


Things To Consider Before Buying One

Make sure your home can handle the load. The system must be able to maintain a high AC unit temperature and deliver enough power for your needs. If it's too small for your home, then the unit won't work properly and could cause problems with comfort levels or heat output.


Consider the space required for installation of each individual part of the system (e.g., including ductwork). Some units require more space than others--so if there isn't enough room in your attic or basement, it could be difficult or impossible to install one of these systems without having extra money available first!


Another great benefit of ductless mini splits is they help reduce the amount of moisture in your home. If you have ever owned or rented a house or apartment with central air conditioning and noticed mold growing on the walls, then this is probably one reason why! 


In addition to reducing moisture from your home, these systems also do not require any ductwork which saves you money and helps decrease energy consumption by preventing hot or cool air from being lost through leaks in the systemMake sure you have enough room in your home to install ductless mini splits. 


These systems use "ductwork" to direct airflow from the outdoor unit into the house, but sometimes that requires extra space. If you don't have room for ductwork or can't find a way for it to fit into your home design, then these units may not be right for you..


Conclusion


The ductless mini split is an interesting option for people who want to save space and money. It doesn't require any ductwork in your home; however, it does require a specific type of central air conditioning unit that's not available from most manufacturers. 


So if you're considering installing one of these systems as well as an AC system overall, there are some things to consider before making any decisions about which units might work best for your situation.


Are you ready to try ductless mini-splits for your home or office in London, Ontario? Check us now to find great HVAC equipment.


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Choosing the right AC isn’t just about the unit—it's also about correct installation and expert servicing. Carver Sheet Metal in London, Ontario offers expert advice and trusted installation services for the best air conditioning units Canada has to offer. What Makes an Air Conditioner Energy-Efficient? Understanding SEER and Energy Star Ratings When evaluating energy-efficient air conditioner , the Seasonal Energy Efficiency Ratio (SEER) is a crucial metric. This number indicates how much cooling a system delivers per unit of energy consumed. In Canada, a SEER rating of 14 or higher is generally considered efficient. Many of the best air conditioning units Canada homeowners trust have SEER ratings well above 18. Energy Star certification is another key indicator. These models meet government-backed standards for efficiency without sacrificing performance. According to Natural Resources Canada, switching to an Energy Star-certified AC can reduce cooling costs by up to 30% annually. Central vs. Ductless vs. Portable Units There’s no one-size-fits-all solution. Central air systems are ideal for larger homes, especially those with existing ductwork. Ductless mini-splits offer more flexibility and room-by-room control, making them perfect for renovations or homes without ducts. Portable units, while convenient, often lag in energy efficiency. If you’re in a city like London, Ontario, with its mix of older and newer homes, it’s critical to match the type of unit to your home’s structure and insulation level. That’s why professional consultation is key—something Carver Sheet Metal excels at. Why Energy Efficiency Matters More in Canada Our Unique Climate Demands Better Tech Canadian summers can swing from mild to sweltering, depending on the region. While a basic unit might suffice for coastal areas, inland cities like London, Ontario often face sharp temperature spikes. An energy-efficient air conditioner adapts better to these fluctuations while keeping consumption low. Furthermore, Canada's electricity prices vary by province, with Ontario typically ranking among the higher cost zones. Investing in a high-efficiency AC helps mitigate those long-term costs. Environmental Impact The environmental benefit of using an energy-efficient system cannot be overstated. Less power usage means fewer emissions. With Canada targeting net-zero emissions by 2050, every household can contribute by upgrading their cooling systems. Features to Look For in 2025 Smart Thermostat Compatibility More units now pair with smart thermostats, allowing better temperature control and scheduling. This minimizes energy waste and improves comfort. Variable-Speed Compressors Unlike traditional systems that switch on and off, variable-speed compressors adjust gradually. This reduces energy spikes and prolongs the unit’s lifespan. Quiet Operation & Compact Design Noise may not be the first thing that comes to mind, but it affects your living space significantly. Modern energy-efficient models are quieter and better suited for family or multi-use spaces. Top 5 Energy-Efficient Air Conditioners in Canada (2025) While we’re not naming specific brands to stay focused on your needs rather than promotion, here's what the top-rated units on the market share: SEER Ratings of 18–26 These are among the highest on the market and ideal for long-term savings. Energy Star Certified Every top pick meets or exceeds government standards. Wi-Fi Connectivity Control via smartphone apps for better energy management. Multi-Stage Cooling Offers customizable comfort while using less electricity. Trusted Warranty Longer coverage usually signals quality parts and engineering. Each of these features contributes to lower operational costs and a reduced carbon footprint—goals every homeowner in Canada should prioritize. 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