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Is Your Furnace Ready for Winter? A Pre-Season Checklist

September 25, 2025
Is Your Furnace Ready for Winter? A Pre-Season Checklist

Winters in Palatka are often wet and cloudy. It means the weather can sometimes fall as low as 33°F. To stay comfortable, you need a furnace that works at its maximum efficiency. This is why experts suggest a furnace pre-season checklist so you can prepare your unit without worrying about failure midway through.

Some of the preparation can be done easily by you, while some needs professional assistance. If you are preparing your furnace to face the freezing breezes of upcoming winters, we have a complete guide for you.  

Furnace Pre-Season Checklist You Can Handle Yourself

A well-maintained furnace keeps your home warm and cozy, while a neglected one could leave you shivering in the cold. Here’s a simple and effective furnace maintenance checklist to make sure your heating system is prepared for winter.

  • Clean or Replace the Furnace Filter

One of the simplest yet most important tasks in preparing furnace for winter is taking care of the furnace filter. A dirty or clogged filter can hinder airflow, reduce efficiency, and increase the risk of breakdowns.

How to Clean or Replace Your Furnace Filter:

  • Locate the filter: Usually, it’s inside the furnace or the return air vent.
  • Check the type: If it’s a reusable filter, you can clean it. If it’s disposable, it needs to be replaced.
  • Cleaning reusable filters: Use a vacuum to remove dust and rinse it with water. Let it dry completely before reinstalling.
  • Replacing disposable filters: Check for any damage or dirt. If the filter looks clogged or worn out, replace it with a new one.
  • Check the filter size: Ensure you’re using the correct size. The filter’s size is usually printed on the side.

A clean filter ensures that your furnace runs efficiently, saving you money and reducing wear and tear.

  • Set Your Thermostat Correctly

Your thermostat controls the comfort of your home. Make sure it’s working properly and set it to heat mode when you’re preparing your furnace for winter.

Thermostat Tips:

  • Switch to ‘Heat’ Mode: Most thermostats have various modes. Set yours to ‘Heat.’
  • Adjust the temperature: A comfortable temperature during the day is typically around 68°F (20°C). You can lower it a few degrees when you’re asleep or away from home to save energy.
  • Consider a Programmable Thermostat: If you don’t already have one, a programmable thermostat can save you money by automatically adjusting the temperature based on your schedule.
  • Check batteries: If your thermostat runs on batteries, make sure to replace them before the heating season starts.

By properly setting your thermostat, you’ll not only be comfortable, but you’ll also improve the efficiency of your heating system.

  • Clear Vents and Registers

Your furnace can only work well if the air can circulate freely. Blocked vents reduce airflow and force your system to work harder, leading to higher energy bills.

How to Clear Your Vents:

  • Inspect vents: Walk through your home and make sure that no furniture, rugs, or curtains are blocking any of your vents.
  • Clean vents and registers: Dust can accumulate over time, affecting airflow. Use a vacuum cleaner to remove dust and debris from your vents and registers.

Clearing your vents ensures that your furnace can distribute heat evenly throughout your home.

  • Inspect Your Furnace’s System Controls

Before winter kicks in, it’s important to make sure your furnace is functioning as expected. An unexpected breakdown during the cold months is the last thing you want.

Furnace Control Checks:

  • Test the system: Turn on the furnace and check if it starts up properly. Listen for any strange furnace noises such as rattling, grinding, or squealing, which could signal problems.
  • Check the thermostat’s response: Ensure that the furnace responds correctly to temperature adjustments.
  • Inspect safety features: Confirm that the furnace’s safety mechanisms, such as the emergency shut-off valve, are working correctly.

Performing a quick check of your furnace’s controls can prevent major issues during winter.

  • Inspect and Clean Your Ductwork

Dirty or damaged ducts can lead to inefficiency in your heating system, as well as poor indoor air quality. Over time, dust, debris, and even mold can accumulate in your ducts, reducing your furnace’s efficiency.

Ductwork Maintenance:

  • Inspect ducts: Check for signs of leaks or damage. Even small leaks can waste energy.
  • Clean ducts: Dust and debris should be removed using specialized tools by professionals.
  • Seal leaks: If leaks are found, they should be sealed to improve system efficiency.

If you’re unsure about inspecting or cleaning your ducts, it’s best to call for water heater repair​ experts to avoid any potential problems.

  • Ensure Proper Furnace Lubrication

Your furnace has several moving parts, and those parts need proper lubrication to function smoothly. Proper lubrication reduces friction, prevents wear, and helps your furnace run efficiently.

How Professionals Help:

  • Lubricate moving parts: Technicians will clean and apply the right type of lubricant to each moving part in your furnace.
  • Check for wear and tear: Professionals will inspect parts for signs of damage or excessive wear and recommend replacements if necessary.

Proper lubrication helps your furnace operate smoothly and reduces the chances of breakdowns during the winter months.

  • Test the Furnace’s Ignition System

Your furnace’s ignition system needs to work properly for the furnace to light and produce heat efficiently. If the ignition system is malfunctioning, it could result in poor performance or a complete failure.

Furnace Ignition System Check:

  • Test the ignition: A technician will inspect the furnace’s ignition system to ensure it’s reliable and safe.
  • Calibrate the system: If needed, the ignition system will be recalibrated for optimal performance.

An ignition system that works reliably is essential for your furnace’s readiness, especially when the temperatures outside dip below freezing.

  • Consider Upgrading to a Smart Thermostat

If you want to get the most out of your furnace, consider upgrading to a smart thermostat. A smart thermostat offers more precise control over your heating system and can save you money in the long run.

Benefits of a Smart Thermostat:

  • Energy savings: Smart thermostats automatically adjust based on your schedule, so your furnace isn’t running when you don’t need it to.
  • Remote control: Control the temperature from anywhere using your smartphone.
  • Improved comfort: Set up routines that ensure your home is warm when you arrive and cool when you leave.

Upgrading to a smart thermostat can improve your home’s comfort level and reduce heating costs.

Furnace Maintenance That Requires Professional Assistance

While some maintenance tasks are DIY-friendly, there are certain aspects of furnace care that should only be handled by professionals. A professional winter furnace check-up ensures that your system is thoroughly inspected and tuned to keep it running efficiently.

What a Professional Furnace Inspection Includes:

  • Heat exchanger inspection: This part of the furnace can crack or corrode over time, posing a risk of dangerous carbon monoxide leaks.
  • Burner check: Burners should ignite properly and burn cleanly. A professional will ensure this for safety.
  • Blower motor inspection: The blower is responsible for circulating warm air throughout your home. If it’s malfunctioning, it can cause uneven heating.
  • Flue pipe inspection: Ensure the flue is clear of blockages and leaks, which can lead to dangerous gases entering your home.

Hiring a professional for an annual furnace tune-up can significantly extend the life of your system and ensure it operates safely.

The Bottom Line

By following this furnace maintenance checklist, you can ensure your furnace is ready to keep your home warm and cozy during the colder months in Palatka. Remember, a little attention now can save you big on repairs and energy costs later. Stay warm, stay safe, and get your furnace winter-ready today!

At Southern Air, you will get repair, replacement, and seasonal tune-ups in just one call. We know that maintenance is a key to improving your unit’s efficiency, so our HVAC repair company promises same-day services all over Palatka and the surrounding areas. Give us a call and trust the pros who care!

Call us at (386) 766-5387 or visit our website to book an appointment online!

FAQs

1. How do I know if my furnace needs a tune-up?

If your furnace is making strange noises, not heating properly, or if your energy bills are higher than usual, it might be time for a tune-up. Regular maintenance helps prevent breakdowns and keeps your furnace running efficiently.

2. How often should I change my furnace filter in Palatka?

You should change your furnace filter every 1-3 months, especially during the winter. A clean filter helps your furnace run smoothly, improves air quality, and reduces energy costs.

3. What temperature should I set my thermostat during the winter?

For comfort and energy savings, set your thermostat to 68°F during the day and lower it while sleeping or when you’re away. A smart thermostat can adjust temperatures automatically based on your schedule.

4. Can I clean my furnace filter myself?

Yes! Cleaning your furnace filter is an easy task. Simply remove it, vacuum off the dust, rinse it if reusable, and let it dry. If it’s disposable, replace it with a new one.

5. Should I hire a professional for furnace maintenance in Palatka?

Yes, a professional can inspect and clean key furnace components, ensuring your system is safe and working efficiently. Annual maintenance by a technician can extend your furnace’s lifespan and prevent costly repairs.


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.

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Tom W.
2 days ago
The tech was very good and the price was right. the ac is working well now
Response from the owner:Thank you, Tom, for the 5-star rating. We really appreciate your support and the chance to help with your HVAC needs.
Phil M.
2 days ago
Woke up out unit was out. Called and within an hour we were fixed and cooling. Great service.
Response from the owner:Thank you, Phil, for taking the time to share your feedback. We’re glad we could respond quickly and get your system back to cooling the same morning, and we pride ourselves on fast response and professionalism. If you’d like, please call us anytime to schedule a seasonal tune-up or set up ongoing service to help prevent surprises.
Tracy C.
2 days ago
Thank you for fast response and great service!
Response from the owner:Thank you for your feedback, Tracy. We’re glad you appreciated our fast response and the professional service we provided. Please feel free to call us anytime to schedule seasonal tune-ups or set up ongoing service.
michael E.
2 days ago
Another “ feels like” 108° day and my ac wasn’t keeping up. I called Southern Air and as usual they had a tech out to me within two hours. Trent the tech arrived, he was pleasant, informative, and very thorough. He didn’t try to sell me anything I didn’t need. He just listened to my complaints and addressed our needs. I would recommend Southern Air to anyone in need of an honest responsive AIRCONDITIONING service company.
Response from the owner:Thank you, Michael, for taking the time to share your feedback. We’re glad we could respond quickly on a hot day and that Trent provided thorough, professional service focused on what you actually needed. If you’d like to schedule a seasonal tune-up or set up ongoing maintenance, please give us a call anytime.
Kimberly M.
3 days ago
Very professional
Response from the owner:Kimberly, thanks for your feedback. We’re glad to know the service met your expectations, even if the root cause wasn’t fully resolved during the visit. Our team is committed to finding solutions, and we’re always available if you need further support. We appreciate the opportunity to assist you.
Lisa L.
3 days ago
I came home from work and immediately felt the heat when I walked in the house. We called Southern Air and the sent a tech right out! Robert was polite, friendly and knowledgeable.
Response from the owner:Thank you so much for the 5-star review! We're thrilled to know you had a fantastic experience with us.
Stephen H.
3 days ago
Robert did a great job locating the problem and resolving the issue.
Response from the owner:Thank you so much for taking the time to leave us a positive rating!
Delores C.
3 days ago
Very Knowledgeable. Very professional. Diagnose the problem immediately. Highly recommend. Jamar Witt thank you for explaining everything.
Response from the owner:Thank you, Delores, for your feedback and for recommending Southern Air. We’re glad our team’s professionalism and fast response helped quickly pinpoint the issue and clearly walk you through the solution. Please call us anytime to schedule seasonal tune-ups or set up ongoing HVAC service.
Mike L.
3 days ago
Excellent service every time.
Response from the owner:Thank you! We’re so glad to hear that — it means a lot to know we’re delivering excellent service every time!
Adele S.
3 days ago
Southern Air is a great company
Response from the owner:Thank you for your feedback, Adele, and for the kind words about Southern Air. We take pride in our professionalism and doing the job right each time. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
Darrell L.
3 days ago
Jamar is timely & knowledgeable.
Response from the owner:Thank you, Darrell, for your feedback. We’re glad our team was on time and provided knowledgeable service, and we pride ourselves on professionalism. Please call us anytime to schedule a seasonal tune-up or set up ongoing maintenance.
Joshua M.
4 days ago
Great job by Dylan with Southern Air. Professional, thorough, and did a great job inspecting and cleaning my HVAC and handler. Highly recommended, well-priced, and very quick to get an appt.
Response from the owner:Thank you, Joshua, for the kind feedback and recommendation. We’re glad Dylan provided a thorough inspection and cleaning at a fair price, and our professionalism and fast response helped you get scheduled quickly. Please call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
Mike H.
4 days ago
Technician was very helpful and explained what he was doing and why.
Response from the owner:Thank you, Mike, for taking the time to share your feedback. We’re glad our technician helped by clearly walking you through the work and the reasoning behind it, and we pride ourselves on professionalism. Please call us anytime to schedule seasonal tune-ups or set up ongoing service.
Philip H.
4 days ago
Randy was excellent and ID’d the problem right away
Response from the owner:Thank you, Philip, for taking the time to share your feedback. We’re glad the issue was diagnosed quickly and that our professionalism came through during your visit. Please call us anytime to schedule a seasonal tune-up or to set up ongoing maintenance service.
Jeanne M.
5 days ago
Jamar was polite and efficient. He explained what was happening with my AC and provided a temporary fix for the night. Said he'll be back tomorrow to do a permanent fix. Excellent service! Jamar is very polite and efficient. Fixed my AC in less time than anticipated. You can send him back all the time. Great role model for other employees and young men his age. Albert explained everything he did for my HVAC maintenance. He was very competent and completed the maintenance required. Overall I'm very impressed with the Southern Air technicians. They have been prompt, efficient and polite. Glad that there are still companies offering great customer service.
Response from the owner:Thank you, Jeanne, for taking the time to share your feedback. We’re glad our team was professional, explained the issue clearly, and got your AC running with a temporary solution while we schedule the permanent repair. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing service.
garry M.
5 days ago
Excellent and Albert did a great job. Will recommend your company.
Response from the owner:We’re happy to hear Albert provided excellent service. Thank you for recommending Southern Air—we’re grateful for your support.
Gary O.
5 days ago
The installation was excellent—no mess, completely professional, and the crew worked clean and efficiently. Truly a top notch job from start to finish. Service was fast, too: I called around noon on day one, and someone was out within a couple of hours. The estimator came the next day, and by the following day the new unit was installed. It’s been running like a dream. As I said, the installation was outstanding, and I’m really enjoying the new A/C unit. Thank you again for the exceptional work. This is the second A/C unit I’ve purchased from Southern Air—the first one lasted 19 years. Their sales, installation, and service are consistently top notch, exactly what you need in this Florida heat.
Response from the owner:Thank you, Gary, for your feedback and for choosing Southern Air again. We’re glad you appreciated our professionalism and fast response, and that the installation process stayed clean and efficient with your new system running smoothly. Please call us anytime to schedule seasonal tune-ups or set up ongoing service to keep everything performing its best.
Michelle M.
5 days ago
Jason was very professional, efficient and thorough. Awesome!
Response from the owner:Thank you, Michelle, for your feedback and for noting Jason’s professionalism, efficiency, and thorough work. We take pride in our professionalism and fast response to keep your home comfortable. Please call us anytime to schedule a seasonal tune-up or set up ongoing HVAC service.
Kirk P.
5 days ago
Great service. He came and I had a few problems with my system. Had some leaks he helped me figure out the area and gave some advice for repairs. I will definitely be calling him back for all of my AC work. Very friendly and knowledgeable. I would recommend southern air for everyone. Also My unit was a mini split. That I installed a few years ago. He still had no problem helping with advice.
Response from the owner:Thank you, Kirk, for taking the time to share your feedback. We’re glad we could help you track down the leaks on your mini split and provide clear repair guidance, and we appreciate your kind words about our professionalism. Please give us a call anytime you’d like to schedule a seasonal tune-up or set up ongoing service for your AC system.
Sharon S.
6 days ago
Jason serviced our A/C unit today. He was professional and efficient and we thank him for a great job.
Response from the owner:Thank you so much, Sharon! I'm glad to hear that Jamar's professionalism and efficiency made a positive impact on your experience. We appreciate your feedback and look forward to serving you again.
Jody H.
6 days ago
Dylan our technician very friendly and answered all our questions. Very informative! We'd like him to be our technician when servicing the unit.
Response from the owner:Thank you, Jody, for taking the time to share your feedback. We’re glad Dylan was friendly, informative, and helped answer your questions, and we appreciate your note about requesting him for future visits, professionalism is a priority for us. Please feel free to call us anytime to schedule a seasonal tune-up or set up ongoing service for your system.
James L.
6 days ago
DYLAN WAS GREAT! LIKE FOR HIM TO BE MY FAVORITE TECHNICIAN. 😉😁
Response from the owner:Thank you, James, for taking the time to share your feedback. We’re glad you had such a great experience with Dylan, and we take pride in our professionalism on every visit. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
Bryant
6 days ago
Jason always does a fantastic job. Thank you.
Response from the owner:Thank you, Bryant, for taking the time to share your feedback. We’re glad to hear Jason took great care of you, and our professionalism is something we work hard to deliver on every visit. Please feel free to call us anytime to schedule a seasonal tune-up or set up ongoing service.
Richard R.
6 days ago
Trenton was great
Response from the owner:Richard we are glad to hear that you had a great experience with Jamar. He is a true professional and we appreciate your business!
William B.
6 days ago
07/06/26 - Dylan, today, for our routine semi-annual maintenance check. In his thorough, attention to detail, Dylan ID'd a couple electrical components that were "struggling", and destined for failure, i.e., he caught them "early" - that's called "trouble-shooting expertise"! Proactive correction is so much wiser than repairs after failure!! Another Great check-up! 01/06/26 - Routine semi-annual check-up, today! All was well, and, all went well! Robert, almost always our "Go-To" Guy, always the consummate professional, was our Guy, today; performed a thorough inspection, and routine maintenance on our two A/C systems w/ an up-check on both! We're good to go for another 6 months, or, until we're not! Southern Air is a team-oriented operation w/ a deep bench of well-trained, well-motivated, wonderful technically proficient professionals, both in the field and in the office! They like what they do, they like each other, they're having fun, and it really shows!! This is a growing business that should be, if not, already, the case study focal point of college-level business operation and administration studies, locally and around the country! 07/22/25 - Today is Tuesday. This past Friday, we enjoyed our regular semi-annual check-up, and all went well; we passed the quiz!💥 Then, sometime Saturday late afternoon/early evening, things started "warming up"! By Sunday A.M., our a/c system, a mere 2 yrs old, was failing via an oscillating blower motor on our Air Handler. Mayday! Mayday! Mayday! Temp's are rising rapidly; we're in distress! Send Help!! Jamar Witt, another stellar performer from Southern Air, arrived to discover our blower motor acting up, and was able to get it squared away ... sorta! About an hour later, after a full & frank discussion, it resumed it's irregular misbehavior, again. I brought Molly up to speed, another star "weekend warrior" @ Southern Air, and she relayed to Jamar who wrote the order; and we settled in for a couple toastie days, waiting for replacement parts! Today, our parts arrived, and Jamar just departed, ~1730, having replaced our blower motor - easy-peasy! We're cooling rapidly, now, from a heat-soaked 87°! What did we ever do before a/c? 🙄 Southern Air to our rescue, again, 24/7! 👍🇺🇲
Response from the owner:We truly appreciate you taking the time to keep sharing your experiences with us—it never goes unnoticed! Robert and Gabby are both top-notch, and we're lucky to have them on the team. Thank you for your continued trust in Southern Air. It means the world to us!

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