Mini-Splits: A Guide for HVAC Contractors

mini split system

One of your main jobs as an HVAC contractor is fixing issues with a client’s system. However, you’re also tasked with providing HVAC solutions to help customers curb their energy usage while keeping their homes comfortable. Mini-splits are a great option that can help clients achieve their goals. We’ll dive into everything you need to know below.

What Are Mini Split Systems?

Mini-splits, or ductless mini-split systems, differ from traditional HVAC systems in their design and functionality. Like traditional HVAC Systems, they have two components—an indoor air-handling unit and an outdoor condensing unit. These units are connected by copper lines containing refrigerant and electrical lines.

Unlike traditional central air systems that use ductwork to distribute airflow throughout a property, mini-split systems do not operate in this manner. Instead, they use HVAC zones to heat and cool a space. During installation, you’ll place several systems around the property, usually in the areas that are most frequently used.

Once these units are installed, clients will have complete optimization over their heating and cooling needs. Rather than having an entire central temperature, they can control the conditions in each zone.

What are the Benefits of Mini Splits?

If you have a client who’s considering upgrading to a mini-split system, here are a few additional benefits to persuade them further:

  • Ductless: Mini-split systems have no ductwork and can be installed with minimal disruption. This makes them ideal for retrofitting older homes or adding climate control to specific rooms or areas.
  • Energy Efficiency: Mini-split systems with inverter technology can operate in response to real-time load which helps with efficiency and comfort.
  • Better Sizing: Accurately sizing mini splits allows you to pair clients with a system that delivers the desired comfort without unnecessary energy consumption.
  • Easier Maintenance: Mini splits are generally low-maintenance compared to traditional HVAC systems. However, contractors should emphasize the importance of regular servicing. Routine maintenance includes cleaning or replacing air filters, checking refrigerant levels, and inspecting the overall system for any signs of wear or malfunction.

What are the Disadvantages of Mini Splits?

While mini splits are an excellent tool for overall home comfort, they also have a few disadvantages to potentially be aware of, such as:

  • Higher Upfront Costs: Depending on the type of unit, the cost can vary significantly. For single zone, it can cost around $2,000 to $7,800. For a mutli-zone, you can get up to $16,400.  
  • Appearance: Clients may not like the look of Mini-split systems because they bulge out from the wall.
  • Installation Requirements: Mini splits can be complicated to install as they generally require room-by-room professional load calculations, different types of wiring, and it can be tough to find a good spot for the unit.  

Which Mini-Splits Should You Recommend to Clients?

A vital part of your role is to provide insight into the best energy-efficient solutions for your clients. Regarding mini-split systems, there are two quality brands we recommend. First, there’s the Goodman E series.

Goodman is well-known for their E-Series mini split heat pump system. It can transform any home into a comfort haven. It has an automatic restart function and an eco-operational mode to reduce carbon footprint. Additionally, it has other features such as:

  • Wireless controller
  • Self-diagnostic capabilities
  • Inverter operation

Next, there’s Daikin, a leader in heating and cooling solutions. There are various wall mount mini-split heat pump systems such as the:

These heat pumps have unique features that potential buyers should consider before deciding on their home. There’s never a one-size-fits-all solution, which is why Daikin has various products on the market ready to solve any issue.

As mini splits continue to gain popularity in the HVAC industry, contractors should stay well-informed about their design, installation, and maintenance. By understanding the flexibility, energy efficiency, zoning capabilities, and maintenance requirements of mini splits, you can provide clients with reliable and cost-effective climate control solutions. As the demand for energy-efficient and customizable HVAC solutions rises, mastering the intricacies of mini splits will position you at the forefront of the industry.


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