Skip to main content
Proudly keeping you comfortable since 1980

8 Air Conditioning Myths That Are Costing You Money

July 19, 2025

When the heat and humidity hit Palatka, keeping your home cool and comfortable becomes a top priority. Many homeowners make assumptions about how their AC systems work, which can lead to unnecessary repairs, higher energy bills, and reduced efficiency. While it’s easy to fall for common air conditioning myths, understanding the truth can save you money and prolong the life of your system.

Here, we debunk eight of the most persistent AC misconceptions and show how proper air conditioning service from a trusted HVAC repair company can help you stay comfortable without breaking the bank.

1. Lowering Your Thermostat Quickly Cools Your Home

It’s a common belief that cranking your thermostat to the lowest setting will cool your house faster. In reality, air conditioners work at a fixed rate, regardless of how low you set the temperature. Setting it to extreme levels only increases energy consumption without speeding up the cooling process.

A programmable thermostat can help manage temperature variations efficiently. By slightly adjusting the temperature while you’re away and setting it back before you return, you maintain comfort without overworking your system.

For more tips on keeping your AC efficient, check our guide on How to Maintain Your Air Conditioner.

2. Bigger AC Units Are Always Better

Many homeowners assume that a larger AC unit will cool their home more effectively. However, an oversized system cycles on and off too quickly, which wears down components like the compressor and reduces efficiency. It can also lead to uneven cooling and higher energy bills.

On the other hand, a unit that’s too small will run constantly, trying to keep up with demand, which increases wear and energy costs. Choosing the right air conditioning service provider ensures your unit is properly sized for your Palatka home.

3. Turning Off Your AC Saves Energy

Some people turn off their AC when they leave home, thinking it will reduce costs. While it’s true that energy isn’t used when the system is off, restarting a hot home makes the unit work harder and can spike energy usage.

Instead, consider raising your thermostat by 7–10 degrees while you’re away. This small adjustment can save up to 10% on annual cooling costs while keeping humidity levels manageable and preventing mold growth.

4. Air Conditioning Causes Colds

It’s easy to blame your AC for summer sniffles, but colds are caused by viruses, not temperature. That said, a poorly maintained system can impact indoor air quality. Dirty filters and ducts can circulate dust, allergens, and even mold spores, which can trigger allergy or asthma symptoms.

Regular maintenance from a professional HVAC repair company in Palatka helps ensure your system filters the air effectively and keeps your home healthy.

5. Air Filters Don’t Need Frequent Replacement

Air filters trap dust, pollen, and other airborne particles, keeping both your system and indoor air clean. A clogged filter reduces airflow, making your AC work harder and driving up energy bills.

Replacing or cleaning filters according to the manufacturer’s recommendations ensures your AC runs efficiently. High-quality pleated filters capture particles down to 3 microns, improving air quality and system longevity.

Using AC repair services to inspect and replace filters during regular checkups ensures optimal performance.

6. You Should Wait Until Your AC Dies Before Replacing It

Older units can function for years, but waiting until your AC completely fails is often more expensive. Modern systems are more energy-efficient and can save money in the long term.

Consider your system’s age, repair history, and SEER rating when deciding whether to repair or replace. A timely upgrade not only reduces energy bills but also prevents unexpected breakdowns during Palatka’s hot summers.

Even minor repairs handled by AC repair services can extend your system’s life, but knowing when to replace it is essential.

7. Thermostat Placement Doesn’t Matter

The location of your thermostat affects how accurately it reads indoor temperature. A poorly placed thermostat near direct sunlight, vents, or appliances can give false readings, causing your AC to overwork or underperform.

Installing the thermostat in a central location and away from heat sources ensures consistent comfort and efficiency.

8. Fans Can Replace Your AC

Fans circulate air but do not lower the temperature. They create a wind-chill effect that makes you feel cooler but won’t reduce the actual room temperature. Using fans in combination with your AC can help you feel comfortable at a slightly higher thermostat setting, saving energy.

For homes without central AC, creating cross-ventilation can help reduce indoor temperatures naturally, but it’s not a replacement for professional air conditioning service.

Conclusion

Believing these AC myths can lead to higher energy bills, unnecessary repairs, and reduced comfort. Understanding how your system really works and relying on professional HVAC repair company services in Palatka is the key to efficiency and longevity.

Whether it’s regular maintenance, filter replacement, or repairs, Southern Air provides expert air conditioning service and AC repair services to help you stay cool and save money. Don’t wait for your system to fail — schedule a service today and enjoy consistent comfort all year round.


Meet Dustin

Dustin Caison serves as both the President and CEO of Southern Air, a family-owned business founded in 1980 and based in Palatka, Florida. As the third generation to lead the company, Dustin has dedicated over 21 years to continuing the legacy of excellence established by his father and grandfather.

A State Certified Air Conditioning Contractor, Dustin brings extensive expertise and professionalism to the HVAC industry. Under his leadership, Southern Air has maintained its commitment to delivering quality service and fostering strong ties with the Palatka community. His dedication and credentials have been key to the company’s ongoing success.

An avid outdoorsman, Dustin enjoys hunting, fishing, and golfing with his family and friends. He is also deeply involved in his local community, serving at his church, Rodeheaver Boys Ranch, the Putnam County Fair Board, and A Women’s Resource Center.

Dustin places great importance on taking care of his people and building strong relationships with his employees. He believes that with a dedicated team, strong business practices, and a focus on continuous growth, any business can achieve remarkable success.

Request Service

Please fill out the form below to request an estimate or schedule service.

"*" indicates required fields

This field is for validation purposes and should be left unchanged.
SMS Opt In
You are agreeing to receive SMS customer care and marketing notifications from Southern Air Cooling and Heating. Message frequency may vary. Standard Message and Data Rates may apply. Reply STOP to opt out. Reply Help for help. Visit our Privacy Policy Page For more information
Michael H.
1 day ago
Great job. Please send him back when we need service again.
Response from the owner:Thank you! Glad he took great care of you—we’ll have him back when you need us.
Ilene L.
2 days ago
Southern Air technician Justin C. is the best technician I have ever had work on my systems. He is polite, professional and trustworthy. He is very knowledgeable with the equipment. 10 🌟
Response from the owner:Thank you, Ilene, for taking the time to share your feedback. We’re glad Justin provided a professional, trustworthy visit and clearly explained your system with strong technical know-how. If you’d like, please call us anytime to schedule a seasonal tune-up or set up ongoing service.
Church S.
3 days ago
Tech came out to evaluate our system and found that it must be replaced. He examined the system and found that the unit was not too old and not worth repairing. Will be meeting with sales team for estimate to replace the unit.
Response from the owner:Thank you for your feedback. We appreciate you noting how thoroughly our technician evaluated your system and helped you understand why replacement made more sense than repair, and we aim to stay professional from the first visit through the estimate. Please call us anytime to schedule seasonal tune-ups or set up ongoing service.
Ida F.
3 days ago
He was detailed and very pleasant to work with.
Response from the owner:Thank you, Ida, for taking the time to share your feedback. We’re glad you appreciated the detailed work and how pleasant the visit felt, and we pride ourselves on our professionalism. If you ever need a seasonal tune-up or would like to set up ongoing service, please give us a call.
Beth A.
4 days ago
Very nice experience as always. Thanks J. 6 months new system maintenance .
Response from the owner:Thank you, Beth, for your feedback and for continuing to trust Southern Air for your new system maintenance. We pride ourselves on professionalism, and we’re glad your visit with our team went smoothly again. Please call us anytime to schedule seasonal tune-ups or set up ongoing service.
Awesome Technicians. Knowledgeable & Thorough Service
Response from the owner:Thank you so much for the great review, Bryon! I'm glad to hear that our technicians provided knowledgeable and thorough service for your HVAC needs. We appreciate your feedback and look forward to serving you again.
DonaRae L.
5 days ago
Communication was excellent all along from scheduling the service to completion of the service call.
Response from the owner:Thank you, DonaRae, for your feedback and for highlighting how smoothly things went from scheduling through the completed visit. We pride ourselves on fast response and professional communication every step of the way. If you would like to schedule seasonal tune-ups or set up ongoing service, please call us anytime.
Nana A.
5 days ago
Lake was very knowledgeable and efficient. I would recommend this employee. Great person to work on air
Response from the owner:Thank you for your review! We know how important it is to have issues resolved quickly, and we’re glad Robert was able to take care of the drain problem promptly and professionally. We appreciate you trusting Southern Air!
Tony D.
5 days ago
Dylan was extremely courteous, professional, and a pleasure to interact with for my A/C check.Thank you
Response from the owner:Tony, thank you for taking the time to leave this review. I’m glad Dylan made your A/C check easy with his courtesy and professionalism, and we appreciate you choosing Southern Air.
Judy
6 days ago
Our first experience having Southern Air service was due to A/C unit going down. Contact person at the office, I believe Gabby, was courteous and mentioned they had a technician available late morning on same day. We received a text with Justin's pic attached to say he would be in. Unbelievable, he was here within 3 hours. Justin is very knowledgeable with his work. He kept us informed of what he was doing. He's courteous and respectful to speak with. He's a great asset to the company. They've gained an additional satisfied customer. Unfortunately, the previous company we were with, about 11 years, could not respond to our needs or apparently cared. We will share our experience with Southern Air with our neighbors and church family. Thank you Southern Air and Justin! Bob & Judy Today's visit..2/21/24 5 Star technician with Southern Air. Justin is well informed and knowledgeable with his delivery of quality service. He is a man of integrity. Thank you Southern Air for offering quality technicians to the community. Bob & Judy
Response from the owner:We're overjoyed to see your 5-star rating! Thank you for sharing your positive experience with us.
Quyen D.
6 days ago
Very good in what he does, pleasant and knowledgeable.
Response from the owner:Thank you, Quyen, for your feedback and for noting how pleasant and knowledgeable our technician was. We pride ourselves on professionalism and a fast response on every visit. Please call us anytime to schedule a seasonal tune-up or set up ongoing service for your HVAC system.
Anna D.
6 days ago
Albert was polite, professional and took the time to explain maintenance and warranty options to me. No pressure. Very satisfied with 6 month p.m.
Response from the owner:Thank you, Anna, for taking the time to share your feedback. We’re glad you received quick, courteous, professional service and that our team answered your questions clearly, since fast response is a point of pride for us. Please call us anytime to schedule seasonal tune-ups or set up ongoing maintenance service.
Michael
6 days ago
Tech was very professional and courteous.. and answered all my questions
Response from the owner:Michael, thank you for the 5 Star Review! It means a lot!
Gemeinschaft79
6 days ago
Jadon came to perform routine maintenance on our house AC unit and our Daikin unit. He was in tine, friendly and professional. He worked quickly and efficiently. Southern Air has been wonderful to work with and I would recommend them to anyone who his looking for a new air conditioning service. Thanks Jason!
Response from the owner:Thank you for the great feedback! We're thrilled to hear Justin was prompt, professional, and efficient during your maintenance visit. It’s always our goal to make AC service smooth and stress-free. We appreciate your recommendation and the opportunity to serve you!
George K.
6 days ago
Perfect as always
Response from the owner:Thank you for your feedback, George. We’re glad everything continued to go smoothly, and we aim to keep every visit professional from start to finish. Please call us anytime to schedule a seasonal tune-up or set up ongoing service.
Debby E.
1 week ago
Trent was on time and very professional. He was very helpful, and explained everything he was doing in a way I would understand. I would give him an A+!
Response from the owner:Thank you for your kind words, Debby. I'm glad to hear that Justin was able to help get you back up and running quickly. We appreciate your business and look forward to serving you again in the future.
Great service as always. Explained problem and what needs to be done.
Response from the owner:Thank you! We're grateful for your continued support and glad to keep delivering the service you expect!
thomas F.
1 week ago
We love our new HVAC system. The crew that did the install, Jeffrey and Matthew were wonderful ! Also, Jason Klinger did an great job diagnosing the older faulty HVAC
Response from the owner:Thank you, Thomas, for your feedback, and we’re glad you’re enjoying the new HVAC system and that our installation team made the experience a positive one. We take pride in our professionalism and making sure every install goes smoothly. If you ever need a seasonal tune-up or want to set up ongoing service, please give us a call.
Andrew B.
1 week ago
Lake came and serviced my HVAC unit recently. He was very friendly, explained what he was doing and completed the service in a timely manner. I would highly recommend Lake and Southern Air.
Response from the owner:Thank you, Andrew—glad scheduling was simple, our technician arrived on time, and the routine maintenance was completed quickly. We appreciate you choosing Southern Air and look forward to helping you again.
Kerry K.
1 week ago
Trenton did an amazing job on my 6-month maintenance. He even cleaned the outside of the entire unit and the outside PVC for the condensation drip. The unit looked brand new after he was done. Excellent service as always! Thank you!
Response from the owner:Thank you, Kerry, for your feedback and for sharing how well Trenton took care of your maintenance visit, including the thorough cleaning that left everything looking like new. We take pride in our professionalism and consistent service. Please feel free to call us anytime to schedule your next seasonal tune-up or to set up ongoing maintenance.
Dian A.
1 week ago
Jason was very thorough. Explained everything that was wrong with my unit and what it would take to repair.
Response from the owner:Thank you, Dian, for your feedback and for choosing Southern Air. We’re glad our team was thorough and clearly explained what was going on with your unit and the repair options, and we take pride in our professionalism. Please call us anytime to schedule a seasonal tune-up or set up ongoing service to keep everything running smoothly.
Joanne J.
1 week ago
Albert was awesome! Love southern air!
Response from the owner:Thanks for the shoutout! Damon always appreciates hearing this.
keith I.
1 week ago
Excellent service with a smile and a great attitude.
Response from the owner:Keith, thank you for the 5-star review and for choosing Southern Air. I’m glad you had an excellent experience with our service, and we appreciate you taking the time to share it.
John U.
1 week ago
Southern Air exceeded all my expectations in all areas! Timely friendly professional service throughout their visit left me feeling confident my home will be properly cooled for the upcoming hot summer and warm for those rare winter days in North Florida! No need to ever look elsewhere for your HVAC service! If allowed I would have given a 10 star 🌟 rating!!
Response from the owner:Thank you for the 10-star praise! We’re so glad our team could deliver timely, professional service and keep your home comfortable year-round. We truly appreciate your trust in Southern Air!
Shawn R.
2 weeks ago
Jason is awesome does exactly what is supposed do goes above and beyond to make sure we are happy
Response from the owner:Thank you, Shawn, for taking the time to share your feedback. We appreciate you recognizing Jason’s professionalism and his commitment to making sure everything is done right and you’re well taken care of. If you ever need seasonal tune-ups or would like to set up ongoing service, please call us anytime.

Schedule Service

"*" indicates required fields

This field is for validation purposes and should be left unchanged.
SMS Opt In
You are agreeing to receive SMS customer care and marketing notifications from Southern Air Cooling and Heating. Message frequency may vary. Standard Message and Data Rates may apply. Reply STOP to opt out. Reply Help for help. Visit our Privacy Policy Page For more information