TOP 5 AIR CONDITIONING MYTHS DEBUNKED

Phill Crawley

Smarter Air & Electrical

i 3 Contents

air-conditioning-system

Top 5 air conditioning myths debunked

Ever wondered exactly how your air conditioner works? Scared it’s spreading germs through the home as one of you is lying sick in bed? Let’s debunk the top 5 most common air conditioning myths we often encounter.

 

Myth 1: Air conditioners spread germs

One pervasive air conditioner myth is that air conditioners contribute to the spread of germs, including viruses and bacteria, within indoor spaces. 

Modern air conditioning units are often equipped with sophisticated air purification technologies. For instance, systems like Panasonic’s nanoeX technology go beyond simple filtration – they actively neutralise airborne pathogens, enhancing air quality. These advanced features, when coupled with regular maintenance and cleaning, ensure the air circulated by the AC unit contributes to a cleaner and healthier indoor environment.

 

Myth 2: Air conditioners inject cold air into your home

A common misunderstanding is that air conditioners create cold air and pump it into your home. But this actually isn’t quite right. Air conditioners operate on the principle of ‘heat transfer’. They work by absorbing the warm air inside your home and running it over refrigerant-filled coils to remove heat before recirculating the now-cooled air back into the room.

The outdoor unit, often hot to the touch, is where the absorbed heat is expelled. It’s a continuous cycle of removing warmth, which gives the impression of cold air being generated. However, the reality is that your AC unit is a heat exchanger, not a cold air producer.

So, how does an air conditioner work exactly? 

Step 1: Your indoor unit sucks in warm room air through the grille, pulling it over something called an evaporator coil.

Step 2: This coil is filled with a liquid called refrigerant, which absorbs the heat from the air, leaving it cooler.

Step 3: The cooled air is pushed back into your room, lowering the temperature.

Step 4: As the refrigerant absorbs heat, it turns from a cool liquid into a warm gas, which is pumped outside to the unit in your yard, called the condenser, where a fan blows over the system to remove all the heat.

Step 5: Once the gas has released its heat outside, it turns back into a liquid and goes back inside to collect more heat from your home.

Myth 3: Air conditioners freshen indoor air

It’s a common air conditioner myth that AC units work by pulling fresh air from the outside and bringing it indoors, but this isn’t typically the case, especially in residential settings. As we know from above, air conditioners run through a process of heat exchange. Your air conditioner usually works by recirculating the existing air within your home: taking the indoor air, cooling it down and sending it back into the room. Standard air conditioners don’t exchange indoor air with outdoor air. 

In commercial buildings, regulations often require the air conditioning system to include a portion of outdoor air for better ventilation. This isn’t common in residential air conditioners due to complexity and cost.

Understanding that your air conditioner primarily recirculates indoor emphasizes the importance of room ventilation and the use of exhaust fans or opening windows periodically to introduce fresh air into your home environment.

Myth 4: The bigger the AC, the better its performance

A sizeable air conditioning unit might seem like it would cool your home more effectively, but this is a myth that can lead to less comfort and higher energy bills. So, what happens when an AC unit is too large for the space it’s intended to cool?

Scenario 1: Short cycling

An oversized AC unit cools the room quickly and then shuts off, a phenomenon known as ‘short cycling.’ While it may sound efficient, it’s not, because the unit doesn’t run long enough to dehumidify the air properly, leaving your home cool but clammy.

Scenario 2: Increased humidity

Humidity plays a critical role in how comfortable you feel. If the AC doesn’t run long enough to remove sufficient moisture from the air (because it cools the room too quickly), the result can be a sticky, uncomfortable indoor environment.

Scenario 3: Inefficient energy use

Each time the AC unit starts up, it uses a burst of energy. More frequent cycling means more energy consumed, leading to higher utility bills.

Scenario 4: Wear and tear

The more often the AC unit turns on and off, the more wear and tear it experiences. Over time, this can lead to more frequent repairs and a shorter lifespan for your unit.

Myth 5: Keeping it on saves energy

In the past, this was somewhat true as air conditioners were mostly fixed-speed units—either fully on or off, guzzling significant power with each start. Now, with inverter technology, air conditioners can adjust their output to match the demand, starting up gently and increasing capacity only as needed. This avoids the energy spike associated with powering up, making constant operation less necessary and more of a wasteful habit than a cost-saving strategy.

For the energy-conscious, the smart move is to use programmable thermostats or timers, setting the air conditioner to activate shortly (one hour) before you return home. This way, you’re greeted by a cool environment without having left the system running—and energy-consuming—all day. Those with solar power can enjoy the best of both worlds, running their air conditioners during peak sunlight hours at a moderate temperature to pre-cool the home and then adjusting as the sun sets.

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Davis, Amanda, Tom and the crew were fabulous! Lovely, polite gentlemen. Super knowledgable and helpful. Even helped me look for...
Tamara Dunkley
Davis, Amanda, Tom and the crew were fabulous! Lovely, polite gentlemen. Super knowledgable and helpful. Even helped me look for my anxious cat when he went ‘missing’ in the house. Cleaned up after and did a great job. Highly recommend this company and these guys. Clearly a well managed company, with happy employees.
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Peter W
The Smart Air team were very efficient in completing the installation. They cleaned up everything after they finished the installation. Each member of the team ...
Peter W
The Smart Air team were very efficient in completing the installation. They cleaned up everything after they finished the installation. Each member of the team was very friendly and well mannered. They were happy to answer all my questions. The whole experience was a pleasant one. I would definitely have no hesitation in recommending this company to anyone who is looking to install air conditioning.
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Peter W
Jason Warren
Benji and his team of guys were the most polite, professional and knowledgeable service that we have received. They were on time and the work ...
Jason Warren
Benji and his team of guys were the most polite, professional and knowledgeable service that we have received. They were on time and the work preformed was faultless even to the vacuuming and cleaning at the end. I can not recommend Smarter air and Electrical enough including the initial quote we received and Amanda with her organising and communication. All first class
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Nicola Alison
10 star review to the team at SmarterAir & Electrical have the WOW factor. Brilliant from start to finish. Having a Property Manager...
Nicola Alison
10 star review to the team at SmarterAir & Electrical have the WOW factor. Brilliant from start to finish. Having a Property Manager background and high standards I know quality service and you were fantastic! The Neo Panasonic unit ducted system is so quiet it’s a dream unit. Don’t even know it is on! Sensors in each room and can remotely turn the system off via the MyPlace app. Specialists in what you do and don’t outsource the annual service shows your genuine accountability “Thank you so much” to all involved, Alex, Davis, Amanda & Chris. Today the installation & electrical team, professional and friendly, Tom, Jake, Eden, Levi, Nav and Will were simply brilliant a Very big Thank you for making my day! They even vacuumed my house and cleaned up & used drop sheets when installing they really looked after my property. I will be adding lights and the garage door to the future to the MyPlace app and also will be upgrading my residential smoke alarms with them. I am a client for life and will recommend you to everyone. Nothing is too much trouble. I chose well and grateful for all of the answers to my questions. It takes a lot to WoW me these days, but you did, thank you for all your hard work.
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Temnit Teshager
I had smart air & electrical for air conditioning service install a new unit and I couldn't be happier with the experience. From scheduling the ...
Temnit Teshager
I had smart air & electrical for air conditioning service install a new unit and I couldn't be happier with the experience. From scheduling the appointment to the completion of the job, everything was seamless. The technician arrived promptly, was courteous, and thoroughly explained the work that needed to be done. They also provided helpful tips for maintaining the unit in the future and cleaned the house after finishing the job.The pricing was fair, and the service was top-notch. I highly recommend them for all your air conditioning needs!
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Temnit Teshager
steve fernandes
Had my Panasonic ducted unit installed in December. They did not try and upsell me a unit that was too big for my house size ,...
steve fernandes
Had my Panasonic ducted unit installed in December. They did not try and upsell me a unit that was too big for my house size ,Other companies recommended 1 -2 (16kw-18kw)sizes bigger. Recommended a 12.5kw which would be sufficient for my home size or could get away with the larger 14kw(summers only getting hotter). Ended up going with a Panasonic 14kw Delux unit with MyAir. On the day all the materials were delivered 30 mins (6.30am) before the guys turned up. Started at 7 am and left by 2 pm, They check with me the location of each room where the ducts were going as I have fans as well. House was vacuumed and marks on the wall cleaned. The electrician stayed back till about 3 ish to finish up, test each zone and run through the MyAir tablet. Easy to deal with, quick responses with emails and calls and happy to work with me as I built a stand so my unit was of the ground. Also went up in the ceiling to finish off some work and the ducting is all tidy. Highly recommend!
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steve fernandes
Saji Joseph
Smarter Air and Electrical recently replaced our ducted Air Conditioning system. The team is very professional and their service from start to finish was excellent. ...
Saji Joseph
Smarter Air and Electrical recently replaced our ducted Air Conditioning system. The team is very professional and their service from start to finish was excellent. I would like to extend our special thanks to Jack, Benji, Jacob and Kesan who did the installation and the commissioning. Also, sincere appreciation to all the pre planning work carried out by Davis, Chris, Alex and Amanda. Everything went smoothly from start to finish. Thanks again.
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Saji Joseph
Darren Maloney
The Smarter Air & Electrical team has been amazing to work with from start to finish. The team have made the process seamless and we ...
Darren Maloney
The Smarter Air & Electrical team has been amazing to work with from start to finish. The team have made the process seamless and we could not be hapier with the finished product. The process has been so good that we have a freind currently getting a system from the team I only have great things to say about my experience it was easy to send them your way. A big thank you to the team and I'm sure I will send more business your way.
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Darren Maloney
Matthew Harriott
The guys at Smarter Air and Electrical are great. From the inspection and quote through to the install and after sales service the company is ...
Matthew Harriott
The guys at Smarter Air and Electrical are great. From the inspection and quote through to the install and after sales service the company is outstanding. The install team are professional and clean up after them selves. Once mine was complete, they even came back and did a neighbours as well. Highly recommended.
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Dallas Werder
From the first interaction, quoting and installation- Absolute outstanding service. They were always on time, polite, professional, attentive and explained everything perfectly. We could not ...
Dallas Werder
From the first interaction, quoting and installation- Absolute outstanding service. They were always on time, polite, professional, attentive and explained everything perfectly. We could not be happier with our ducted air con. Use this company if you want ducted.
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