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How to Choose the Right Size AC Unit

When shopping for a new air conditioning system it is supremely easy to start feeling overwhelmed pretty much immediately. The sheer number of options, all of the variables at play—and don’t even get us started on the kinds of sales tactics you might encounter! It’s enough to put anyone off.

But the team at ABC Plumbing, Heating, Cooling & Electric is here to tell you that it doesn’t need to be that hard! With the right set of information, even a beginner can be confident in shopping for a new AC replacement, and today we’re going to give you a hand by talking about one of the most important factors: how to find the right size cooling system.

Need help finding the ideal cooling system for your home? Call on the Carrier Factory Authorized professionals at ABC online today!

Why Does Air Conditioner Size Matter?

So does the size of an air conditioner actually play that big of a role in your decision? It really, really does! An incorrectly sized system is a massive issue, and one that typically results in the homeowner needing an immediate replacement.

This is because an incorrectly sized system will not cool your home effectively, whether it’s too big or too small. An undersized unit simply lacks the oomph to get the job done, resulting in the unit running at all hours and never really cooling enough, which can hike your bills in a hurry. A system that is too large has a similar issue, but it’s because it’ll kick on, blast your home with cold air, and then kick back off—a process called “short cycling—because the thermostat reads the home as cool enough before the cooler air has actually permeated your home effectively.

What the Industry Means By “Size”

It’s also important to note that when a contractor says size they aren’t literally talking about the size of the air conditioning unit. Typically the easiest term that determines the size of a system is the word “tonnage,” though this term isn’t referring to actual weight. In HVAC terms, a ton refers to the unit’s ability to cool 12,0000 BTUs in a single hour. For example, a somewhat standard 2.5 tonne cooling unit will cool 30,000 BTUs per hour.

This tonnage is measured against the exact square footage of your home in order to find your specific cooling needs, and thus you can fairly quickly pick the right size unit, resulting in a unit that gets the job done right, and one that will get the job done most efficiently, too.

The Importance of Professional Air Conditioner Installation

Keep in mind that while this is handy information, and it helps you to be a more informed consumer, it is not an exhaustive guide to picking and installing the right air conditioner! Picking the right system means understanding tonnage, BTUs (which basically equates to cooling output), Manual J calculations, and understanding air pressure. It’s not a layman job, and if you want the best possible results you want to work with an expert who can perform the task properly. Luckily for you, you’re already in the right place to find exactly that!

Looking for help sizing and installing your new air conditioning system? Contact the service specialists at ABC today to set a date for your AC installation consultation in the Chicago, IL area!

Read What Your
Neighbors Are Saying About ABC
  • “Tom was awesome! He is very personable and explains the whole process well. He did a great job and ensured that he used 5-star service throughout the process. I will definitely use ABC and Tom again in the future for electrical work.”

  • “Bill showed up on time to repair our broken air conditioner. ABC kept in touch throughout the day to let me know time he would be arriving too. Bill was professional, friendly, helpful, and knowledgeable. We wound up signing up for monthly care package because Bill and ABC really made…”

  • “We were very pleased with the service performed by Brett Pack in performing the annual maintenance of our air conditioning unit. He noted it was low on refrigerant, which he then added after consulting with us. He also made sure we took advantage of all available discounts.”

  • “Tom did a super job fixing our electrical problem. He is one of the best electricians I have ever had in my home for repair work. I would highly recommend Tom and ABC Company if you need any type of electrical work. He took his time and explained everything and…”

  • “I am so impressed with Chris and ABC Plumbing, Heating, Cooling. His friendliness honest approach to his Job is remarkable. Thanks Chris for making my day and believing that they are still great honorable people out there.”

  • “Our AC was not working in the 90-degree summer heat. Josh identified that power was not going to the furnace blower. He identified that power was not going to the furnace breaker. His keen eye spotted that the wire leading into the breaker had frayed. He cut out the frayed…”

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