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Pipeline of Air Conditioners

AC Service in Orlando, FL

Exploring the Science Behind Air Conditioning

Air conditioning is a staple of any Florida home. However, we often take for granted the inner workings of the AC systems that keep our homes cool even as temperatures max out. At Certified Climate Control, we’re committed to educating our customers about the basic scientific processes behind air conditioning. We’re proud to serve residents of Orlando, FL with exceptional air conditioner services unmatched by our competitors. If you’re curious to learn more about what causes your AC system to freeze up and malfunction, take a look at our guide below.

Why Is My AC Not Cooling My Home?

Air conditioners malfunction all the time. The key is to understand why your unit may not be properly cooling your home. There is a long list of reasons why your HVAC system may be malfunctioning. Perhaps it hasn’t been cleaned in a while, or maybe it’s just too old to be efficient. Below, you’ll find some of the most common reasons for AC breakdowns:

  • Malfunctioning or incorrectly installed thermostat
  • Blocked condenser unit
  • Frozen evaporator coil
  • Dirty air filter
  • Leaks in ductwork
  • Refrigerant leak
  • Unit is too small for the size of the home
  • Clogged or slow drain line
  • Old age (more than 15 years)

Know the Parts of Your Air Conditioner

We can better understand the answer to the above question by learning a little more about the inner workings and the science behind air conditioning. You certainly don’t have to be an expert in air conditioner service to know when there’s something amiss with your unit. Get familiar with the fundamental parts of any AC system:


Perhaps the most identifiable part of any AC system, the thermostat gives you control of your home’s temperature. When you change the temperature setting on the thermostat, it signals to the rest of the unit how often it needs to run. For best results, your thermostat should be located in a shaded area and away from vents and registers that could sway the temperature reading.

Condenser Unit

The outdoor condenser unit is tasked with removing heat from the refrigerant that was absorbed by your indoor evaporator coil. The condensed refrigerant flows from the condenser to the evaporator where it absorbs heat and cools the air giving you a cool, comfortable breeze to be pumped back inside your home. Condensers are typically located on a concrete pad behind the house or on the roof. To best care for your unit, make sure to keep the surrounding area free of debris, trimmings, and foliage. Clean the area periodically and request annual maintenance from Certified Climate Control.

Evaporator Unit

The inside part of your air conditioner is the evaporator unit. The evaporator unit pulls warm air across the evaporator coil, and the air is cooled against refrigerant. The resulting cool air is blown through the ducts and pumped back into your home. Evaporator units require periodic professional cleaning to keep dust and debris out of your ducts.


The ductwork carries newly cooled air to all areas of your home. Air from the central ducts is delivered back into your space through registers and vents. Most homes’ registers are equipped with adjustable grilles that can be opened or closed to control airflow. These registers need occasional cleaning, just like the condenser and evaporator units. Fortunately, you can give the grilles a good clean using only your vacuum’s hose attachment.

How All Those Parts Work Together

Now you know a little more about each component of your air conditioner, let’s discuss how each part works in tandem to give you cool air. Contrary to what many may think, the cooling process is actually quite straightforward. First, the condensing unit delivers liquid refrigerant to the evaporator coil the refrigerant is then allowed to expand and flash to a gas and absorb the heat from the air circulating over it. This cools the air. The heated gas is then sent back to the condensing unit to extract the heat and return the gas to its liquid form to be reused. The heat created from this process is pumped outside.

What Makes a Unit Energy-Efficient?

Energy efficiency is becoming more and more prevalent as a buzzword in AC sales. You can learn more about the energy efficiency of each AC unit by taking a look at its SEER rating. The Seasonal Energy Efficiency Ratio (SEER) calculates the amount of cooling in BTUs divided by the amount of electricity necessary (watts). The higher the SEER rating, the more energy-efficient the unit

Why Does Energy Efficiency Matter?

It can be easy to look at the SEER rating as just another number. However, energy efficiency can be a crucial factor when it comes to choosing a new air conditioner. The benefits of a high SEER rating are twofold:

Cost Savings

Being efficient with energy usage results in being efficient with your money. Because Florida is so hot, especially in the summer, your AC is probably working overtime. An energy-efficient unit will use up less energy to cool your home, resulting in significantly lower bills at the end of the month. In fact, the Department of Energy claims that households with an energy-efficient model can save up to 40% on energy costs.

Environmental Sustainability

Environmental friendliness is becoming more and more important to people across the world. An energy-efficient air conditioner is most sustainable in the long run. Not only will the unit cool your home with greater success, but it also leaves you with peace of mind that you’re doing your part for the environment.

Look To Certified Climate Control for All Your Hvac Needs

If you want to know more about the science behind air conditioning or how energy efficiency can impact you, Certified Climate Control is happy to help. We’re the Orlando area’s go-to for all things air conditioning. Whether your AC is freezing up or your central air isn’t cooling, we have the tools and know-how to get your system up and running again. Our customers come to us for a slew of services, including:

  • Sales
  • Repair
  • Replacements and installation
  • Maintenance and tune-ups
  • HVAC evaluations
  • Thermostats
  • Energy efficiency assessments

Contact Our Air Conditioner Repair Team Today

AC cleaning services seem like a dime a dozen, but Certified Climate Control stands apart from the competition. Not only do we offer a variety of services and quality results, but we also have the industry knowledge to ensure you get the high-quality experience you deserve. We encourage Orlando, FL residents to contact us whenever they notice a problem with their air conditioning or simply want to learn more about their unit.