What the New Heating & Cooling Efficiency Standards Mean for us Homeowners

Understanding the Shift: SEER to SEER2 in Residential HVAC Efficiency Standards

As the seasons change, so do the standards that govern the efficiency of your home’s heating and air conditioning systems. In recent years, there has been a significant shift from the Seasonal Energy Efficiency Ratio (SEER) to the newer SEER2 standards. These changes have implications for the equipment you choose, the comfort you experience, and the pricing you can expect. Let’s delve into the details to help you understand this transition.


What is SEER?

SEER, or Seasonal Energy Efficiency Ratio, is a measure of the efficiency of air conditioning systems. It calculates the cooling output during a typical cooling season divided by the total electric energy input during the same period. Essentially, it tells you how efficiently your system uses electricity to cool your home.


The Shift to SEER2

SEER2 is an updated efficiency standard that builds upon the SEER rating system. It takes into account additional factors such as part-load efficiency, variable-speed technology, and real-world operating conditions. This new standard provides a more accurate reflection of how an air conditioning system performs under varying conditions, leading to more precise efficiency ratings.


Differences in Equipment

With the shift to SEER2, you can expect to see advancements in air conditioning equipment. Manufacturers are incorporating technologies such as variable-speed compressors and advanced controls to improve efficiency and performance. These innovations result in quieter operation, better humidity control, and increased energy savings compared to older, less efficient models.


Comfort Benefits

One of the key benefits of upgrading to SEER2-compliant equipment is improved comfort. Variable-speed technology allows the system to adjust its output based on the specific cooling needs of your home, resulting in more consistent temperatures and fewer temperature swings. Additionally, advanced controls can optimize performance for enhanced comfort and efficiency.


Impact on Pricing

While SEER2-compliant equipment may have a higher upfront cost compared to older, less efficient models, the long-term savings in energy costs can offset this initial investment. Additionally, many utility companies offer rebates and incentives for upgrading to high-efficiency equipment, further reducing the overall cost. Most manufacturer’s also offer seasonal rebates which here at All-Air Systems, we pass those savings on to our customers.



The shift from SEER to SEER2 in residential HVAC efficiency standards represents a positive step towards more energy-efficient and comfortable homes. By understanding these changes and the benefits they offer, you can make informed decisions when it comes to upgrading your heating and air conditioning systems. Investing in high-efficiency equipment not only saves you money in the long run but also contributes to a greener, more sustainable future.

New HVAC Efficiency Standards

Courtesy of Ferguson HVAC

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