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Air Conditioning Efficiency Minimums for Missouri

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Jerry Kelly Isolated Air Conditioner Unit

When we’re talking air conditioner installation for your St. Charles home, you’ll hear our experts go on about numerous important factors. Bottom line, a new system can provide superior comfort control, can reduce cooling costs, and can provide your home with a long-term cooling solution. But is there any “deciding factor” in choosing the best air conditioning installation? There is!

Our team of certified HVAC specialists are wholly dedicated to ensuring your cooling needs are totally met! When you work with Jerry Kelly Heating & Air Conditioning, you are getting our promise to bring superior knowledge and skill to your home in order to provide for your cooling needs. So what are these deciding factors in choosing your cooling system? It starts with SEER!


The Seasonal Energy Efficiency Ratio is, in a nutshell, a way to measure the actual cooling output of your system versus the amount of energy it consumes. Speaking generally, the higher the SEER rating, the more effective your system is at translating electricity and fuel into “work”, or cooling power.

The SEER system isn’t a perfect one, and it won’t really give you the whole picture on exactly how efficient your system is going to be. But, it’s an excellent starting guideline for you and our experts to work off of. Knowing the SEER you want to procure for your home gives us a jumping point. From there, we can help you choose the absolute best cooling solution for your home.


All states fall under certain SEER categories, meaning your system must be a minimum of (x) value to be deemed within code and proper. In our area (and the majority of the United States), the current SEER requirement is 13. This rating is chosen to represent what we consider the basic, most effective system currently available.

Is the Standard the Same for All Systems?

Nope! Heat pumps require a SEER rating of 14 to be acceptable in Missouri.

Can You Get a Higher SEER Rating than 13?

Absolutely! And in many situations, we would recommend it. Our Emerald air conditioning systems are available in SEER ratings up to 18. As we said, the system isn’t infallible, but it’s a solid baseline for how powerful and effective you want your system to be. A higher SEER can provide exponentially better comfort and cooling quality, depending on your home or business.

Seeking a new air conditioning installation is a fairly sizable investment, and if you want yours to provide the quality cooling you need, a higher efficiency rating is a good idea. If you’re going to shell out for a new system, it might as well be one that will last! That said, increasing the SEER of your system does, of course, make the system much more costly, so it’s a bit of a balance.


When it comes to choosing the optimal system to meet your needs, nothing beats working with our team of certified specialists! We carry all of the skill and experience needed to assist you in choosing the cooling system that will provide for your needs best. Interested in learning more? Contact our team today!

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The Most Important Part of Our Company is Our Customers
Kimberly G.
01:51 22 May 22
I had my ac tuneup for the Dpring. Aaron was very professional and thorough. He did great work.
K M.
20:14 21 May 22
Erik was very helpful in explaining what was wrong with my A/C unit. Was thorough and efficient, very knowledgeable.
bryan D.
18:23 21 May 22
Mike C came out and fixed our ac in a timely and professional manner. Very happy with the service he performed.

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