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Single-Stage vs. Two-Stage Air Conditioner: Understanding the Difference Between the Two

ICSNY • Jul 26, 2022

It's time to get a new air conditioning system for your home, but research is showing you that there are several types of systems to pick from.


If you are wondering the difference between single stage vs two stage, we are here to answer your questions.


When you are concerned about the efficiency of your air conditioning system, and you are ready to invest in a high-quality system, take a look at the benefits of a two-stage air conditioning system.

Single Stage VS Two Stage Air Conditioning System

With a single stage air conditioner, there is only one setting to the condenser. It cools your home down while on high, and this is not energy efficient when you only need to change the temperature slightly. With a two stage system, the compressor is able to be on low for days when it isn't sweltering hot out. The high setting is saved for high heat days when you need extensive cooling. This setting is similar to the single stage system. When you have a two stage air conditioning system installed, it stays on the low setting until the high setting is necessary to keep your home cool.

The Benefits of a Two Stage System Over a Single Stage System

A two stage air conditioning system is an investment up front, but it will provide you with better energy efficiency from the start. It will also be easier to keep your home comfortable throughout the year.


An air conditioner is cheaper to run when it doesn't have to constantly turn on and off to keep your home comfortable. If you are using a single stage system, it will blast on and turn back off quickly once your home is cool. This uses more energy than a two stage system, which cools your home on a more gradual basis. 


When your air conditioner remains on, but is on low, the system is more energy efficient and keeps your utility bills down. 


The two stage system can keep your home comfortable while set on low for the majority of the time.

You Are More Comfortable

The two stage air conditioning system remains on for longer periods of time, and this means it is also removing any humidity from the air while running. Your air will stay cool, and you won't have the oppressive humidity making you feels sticky.

Comparing Single Stage Vs Two Stage Pricing

While two stage air conditioning systems are more expensive, there are other factors that go into the pricing. The size of your unit, and the SEER rating both play a role in the cost of your overall system. It's important to work with an HVAC professional to determine which system is right for your home.

Choosing Your New Air Conditioning System

If you live in a hot, humid area, a two stage air conditioning system is going to be your best option.  Although it is more expensive up front, it saves you money in utility bills. 


Contact us today to learn more about single stage vs two stage air conditioning systems for your home.

Homeowner Looking For Reliable Heating, Cooling Or Plumbing Supplies?

Our dedicated specialists are standing by to help.

Most homeowners in need of new heating or cooling equipment will do an internet search to get information. Such a search will typically yield two results: what to buy or where to buy but not why to buy. At InterCounty Supply, as a wholesale supply house, we present all the options for what to buy and why it would be the best choice for YOUR situation. After all the options are presented a homeowner can decide for themselves what they need. ICS then has a licensed, factory trained contractor who SPECIALIZES in the equipment you need come to your home to provide the complete installation cost for the equipment you need. ICS will also handle all the paperwork for any rebates that are applicable.


Have questions, give us a call 914-939-4350 or fill out the form and one of our specialists will be in touch shortly.


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