How to Understand Ductless Air Conditioning SEER Ratings

November 2, 2024

Today, homeowners want to ensure their residences remain at a comfortable temperature. In the past, most homeowners would opt for a central HVAC system. Today, they are researching ductless mini-split systems before investing in the central system. When doing so, however, they must understand ductless air conditioning SEER ratings. These ratings play a role in the initial purchase price of the system and energy costs over its lifespan. 

What is a Ductless Mini-Split System?

Ductless mini-split systems function much like central HVAC systems. They allow for zone heating and cooling, as each room has a separate unit the user can control. Many homeowners today choose this option because they love these units’ energy efficiency and cooling capabilities. However, they must understand the SEER rating before installing a ductless mini split.

What is the SEER Rating?

The SEER rating refers to the Seasonal Energy Efficiency Ratio. This figure shares information about the unit’s cooling output during the average cooling season divided by the total electrical energy input. Homeowners can learn a lot from this number. It lets them know how efficiently their system is converting energy into cooling. Higher SEER ratings mean more efficient systems. Homeowners who choose a system with a high SEER rating save on their monthly energy bills. Furthermore, they reduce their carbon footprint by switching to a ductless mini-split system.

Government Regulations

Many people don’t worry about their carbon footprint. However, the government now regulates SEER ratings. A 2023 mandate states that all new central HVAC systems must have a 14- or higher SEER rating. Experts recommend homeowners choose a system with a minimum SEER rating of 16 to lower greenhouse gas emissions while saving over the system’s lifespan. Homeowners will pay more at the time of purchase for a system with a higher SEER rating, but they will save money over the unit’s life.

Maintaining This Rating

Homeowners cannot assume the system will maintain this high rating without proper care. They must complete regular system maintenance to see the full benefits of their energy-efficient system. Many homeowners are now switching to ductless mini splits because they require little maintenance compared to traditional ducted HVAC systems. The homeowner must clean the filter every 4 to 6 weeks to ensure the efficiency of the system, and they need to speak with their HVAC contractor to learn what additional maintenance tasks should be completed to ensure the system works as intended and provides the anticipated benefits.

Homeowners know they have many options when choosing one of these systems. For those concerned about their environmental impact, a system with an SEER rating above 30 would be an excellent choice. Individuals on a budget, however, may choose a system with a lower SEER rating, knowing that their expenses will be higher over the unit’s life.

Homeowners should always consider SEER ratings when choosing a new HVAC system, whether it is a central HVAC system or a ductless mini-split version. A higher SEER rating means the unit is more energy efficient, allowing the homeowner to save on energy costs while reducing their environmental impact. Consider all choices today to ensure the home remains at a comfortable temperature without spending a fortune on energy bills. With the right partner, every homeowner can find a cooling solution that fulfills their needs, whether it is a ductless mini-split system or a central heating and cooling solution.

About the Author Kyrie Mattos

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