How to Tell if Your AC Unit is Energy Efficient?

Sep 2, 2019


Welcome to Alpine Heating & Air Conditioning, your trusted partner in HVAC solutions. In this article, we will guide you on how to determine whether your AC unit is energy efficient. Understanding the energy efficiency of your AC unit is crucial not only for cost savings but also for reducing your environmental impact. Let's dive into the details!

Why Energy Efficiency Matters

Before we delve into the methods of assessing energy efficiency, let's first understand why it is so important. Energy efficiency directly impacts your electricity bills and the overall environmental sustainability. A highly efficient AC unit consumes less energy to provide the same cooling effect, resulting in lower utility costs and reduced greenhouse gas emissions. By making informed choices, you can contribute to a greener future while enjoying the benefits of a comfortable indoor environment.

Factors Affecting Energy Efficiency

Several factors contribute to the energy efficiency of an AC unit. Understanding these factors will help you make an informed decision when purchasing or evaluating your existing unit.

SEER Rating

The Seasonal Energy Efficiency Ratio (SEER) is a measure of an AC unit's efficiency over an entire cooling season. It represents the cooling output divided by the energy input. The higher the SEER rating, the more energy efficient the unit is. Look for AC units with higher SEER ratings to maximize energy savings.

EER Rating

The Energy Efficiency Ratio (EER) is another indicator of energy efficiency. It is calculated by dividing the cooling capacity of an AC unit by its power consumption. Higher EER ratings indicate better energy efficiency, especially for units that are in use for extended periods.

Size and Capacity

Properly sizing your AC unit is crucial for energy efficiency. Oversized units may cycle on and off frequently, resulting in energy wastage. Undersized units may struggle to provide adequate cooling, leading to constant operation and higher energy consumption. Consult a professional HVAC technician to determine the right size and capacity for your specific needs.

Advanced Technology

Newer AC units often incorporate advanced technologies to enhance energy efficiency. Features such as variable-speed compressors, smart thermostats, and energy-saving modes can significantly reduce energy consumption. Look for these advancements when considering a new AC unit.

Maintenance and Regular Servicing

Regular maintenance and servicing play a vital role in maintaining the energy efficiency of your AC unit. Dirty filters, clogged vents, and refrigerant leaks can all hinder energy performance. Ensure that you schedule routine maintenance and promptly address any issues to maximize the energy efficiency of your AC unit.

Assessing Energy Efficiency

Now that we have discussed the factors affecting energy efficiency, let's explore some methods to assess the energy efficiency of your AC unit.

Check the SEER Rating

Start by checking the SEER rating of your AC unit. This information is typically available on the manufacturer's label or in the product specifications. Compare the SEER rating with the current industry standards to evaluate its efficiency. If your unit has a low SEER rating, it may be time to consider an upgrade.

Track Energy Consumption

Monitoring your AC unit's energy consumption is a practical way to assess its efficiency. Keep track of your electricity bills over time and compare them to previous periods. If you notice an inexplicable increase in consumption without a change in usage patterns, it could indicate a decline in energy efficiency.

Hire a Professional

If you're unsure about the energy efficiency of your AC unit or need a comprehensive evaluation, it's best to consult a professional HVAC technician. They have the expertise and tools to assess the efficiency, identify potential issues, and provide recommendations tailored to your specific needs and budget.


Ensuring your AC unit is energy efficient is a worthwhile investment that delivers long-term benefits. By understanding the factors that affect efficiency and using appropriate assessment methods, you can make informed decisions to optimize performance and minimize energy consumption. For expert guidance and top-quality HVAC solutions, trust Alpine Heating & Air Conditioning. Contact us today to schedule a consultation and take the first step towards a more energy-efficient and comfortable indoor environment.

Aracely Henton
Nice! These tips will help me save energy and money. 🌿💰
Nov 12, 2023
Bryan Andrews
Great tips!
Nov 8, 2023