What Size Air Conditioner Do I Need?
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Finding the Perfect Fit: What Size Air Conditioner Do I Need?

what size air conditioner do i need   Kentucky residents are unable to escape the hot and humid summers in the state, that’s why it’s important to understand what size air conditioning unit is most suitable for your residence. So, what size air conditioner do you need? Having the right-sized air conditioning unit provides several benefits.
  1. Improved energy efficiency and reduced utility bills
  2. Enhanced comfort and indoor air quality
  3. Extended lifespan of the HVAC system
  4. Decreased likelihood of repair needs and maintenance issues
A common misconception when it comes to HVAC systems is thinking the biggest unit will lead to better efficiency and a more comfortable experience. But, having the wrong size air conditioner may lead to several issues down the road. This blog will provide clarity and reassurance about determining your air conditioning size, leading to more comfortable living conditions in central Kentucky.

Understanding Air Conditioning Sizing 

Having a properly sized air conditioner is essential to efficiently cooling your home. When determining how to efficiently cool your home, maximizing the size of your air conditioning unit’s cooling capacity will lead to better results. Understanding the measurements of an AC unit’s cooling capacity is important, and most commonly units are measured in tons. Some units will also measure BTU, which stands for British Thermal Unit. BTUs determine the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. BTU/hour signifies how much heat will be removed from a home in an hour. Owning an undersized air conditioning unit will lead to your home being cooled at a slower pace. Your air conditioner will run constantly to fill your home’s demand without ever reaching the desired results and will cause higher electric bills. Owning an oversized unit will cool your home too fast, causing the AC unit to constantly cycle on and off. This is known as short cycling. Short cycling will lead to higher electricity costs, temperature swings, humidity issues, and uneven cooling. In addition, short cycling will also cause damage to your air conditioning unit’s components, ruining the unit’s lifespan. 

Factors to Consider When Sizing an Air Conditioner

Sizing an air conditioning unit comes with the consideration of several key factors for the unit to perform as efficiently as possible.
  1. Square footage of the space that needs to be cooled
  2. Insulation quality and the energy efficiency of the home
  3. Climate considerations within the region
  4. Number of windows, orientation, and shading
  5. Ceiling height, occupancy, and heat-generating appliances
The central Kentucky region becomes hot and humid during the middle months of the year, with July and August being particularly humid. Kentucky residents within that central region will want to make sure their air conditioner unit is sized for their home to have a comfortable summer. 

Calculating the Right Size AC Unit 

One of the ways to calculate the right size for an AC unit within your home is an AC size calculator. AC size calculators are a simplified tool to help alleviate some of the guesswork and step-by-step stress. Factors to consider during this process are the square footage of each room within your home, ceiling height, sun exposure, the number of windows, and the local climate. Hot and humid conditions within regions like central Kentucky might require more powerful AC units to fulfill their needs. Common mistakes to avoid:
  • Relying solely on square footage for sizing 
  • Overlooking the impact of insulation and home efficiency 
  • Neglecting to consider future expansions or renovations
  • Purchasing based solely on price without considering long-term efficiency and comfort

Key Takeaways 

Having the correct size air conditioner within your home is an important asset to provide year-round benefits. The benefits seen for having the right sized air conditioner include even cooling throughout the home, improved energy efficiency, reduced utility bills, improved air quality, a longer lifespan for the AC unit, less maintenance and repair, and ultimately, a more comfortable home. Homeowners are encouraged to seek professional help to provide accurate AC unit sizing. Central Kentucky residents can reach out to GreenBox for expert advice and installation services tailored to their home’s needs.

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