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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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Kelly S.
10 hours ago
Thank you so much Justin !! You did an amazing job I greatly appreciate you . Exceptional customer service.
Arlene Barbara A.
11 hours ago
Jason was very thorough and explained everything beforehand as well as through the process of repairing my split unit. It is cooling nicely now with better airflow. Truly appreciate the prompt response and courtesy treatment.
Phillip E.
14 hours ago
Great service
Walter G. D.
16 hours ago
Timely, friendly, and professional says it all. With Jason and Southern Air, I am confident that I will get the longest life and best service from my air conditioner unit!
Response from the owner:Thank you for sharing your experience! We’re thrilled to hear that Randy and the Southern Air team are keeping your AC running efficiently. We appreciate your trust and look forward to continuing to serve you!
Heidi E.
2 days ago
From booking appt, to communication, to our tech Albert, all was great. Our mini split system is large & takes all day for a tuneup, and it was a HOT day. Albert was: professional, experienced, thorough, clean & friendly. He even taught us how to use our remotes, which we never fully understood. He also recommend surge protection, which we never thought of. I was especially pleased that we got an appt right away even though it wasn’t an emergency. The original installer said it would be 6 mos! I like their service agreement too (only 1 tuneup/yr instead of 2) and very reasonable considering mine takes all day.
Response from the owner:Thank you, Heidi, for sharing your feedback and for choosing Southern Air. We’re glad booking and communication were smooth, and that Albert’s professionalism and thorough work made a difference, especially on a long, hot tune-up, including walking you through the remotes and offering smart options like surge protection. If you ever need a seasonal tune-up or want to set up ongoing service through our agreement, please give us a call.
Calvin M C.
3 days ago
Justin takes care of all 3 of my units. He does a great job, I would highly recommend him. 👍👍
Response from the owner:Thank you! We're glad Justin took great care of your 5-ton unit. We appreciate the recommendation and those thumbs up! 👍👍
Doreen J.
3 days ago
As usual he does a great job. He explains everything about what he is doing. Always very polite and very helpful. Would highly recommend him and your company.
Response from the owner:Hi Doreen! We appreciate the review and are glad to be of service!
Therese B.
4 days ago
Got the issue fix in a timely manner. Was very friendly, and was able to answer all my question.
Response from the owner:Thank you, Therese, for your feedback and for choosing Southern Air. We’re glad we could resolve the issue promptly and that our team’s professionalism helped answer your questions clearly. Please call us anytime to schedule seasonal tune-ups or set up ongoing HVAC service.
Darrell L.
4 days ago
Dylan got us back up & running quickly.
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.
Tae Kwon T.
5 days ago
Professional and very knowledgeable, he explained everything going on with our unit and took his time making sure there was no more or other issues. Came back several times and was always polite and explained everything he was seeing and how it was going to be fixed. Jamar is an asset to this company. Thank you again for everything.
Response from the owner:Thank you for sharing your experience with us! We appreciate hearing that our professionalism and in-depth explanations made a difference during the servicing of your unit. Your satisfaction is important to us, and we’re glad we could help.
BILL M.
5 days ago
What a great company, walked in the office two days ago, friendly & courteous and set me up for our first appointment for today. The technician that came Lake Batteiger, was an awesome young man and again friendly, knowledgeable and did one heck of a job for me! Look forward to having Southern Air take care of us for years to come! Thank you, Bill Merrill
Response from the owner:Thank you, Bill, for your feedback and for choosing Southern Air. We’re glad our office team made scheduling easy and that our technician delivered professional, knowledgeable service during your first visit. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing service so we can keep your system running reliably for years.
Lisa B.
6 days ago
Randy Church did great job conducting my annual service to my two Daikin units. He was able to get the service done and very polite.
Response from the owner:We appreciate you taking the time to leave this feedback! Randy will be happy to hear his efforts made a positive impression.
Jacob A.
6 days ago
Professional, informative, and friendly. Convenient service.
Response from the owner:Jacob we thank you for the 5 Star review and appreciate your business.
Jane H.
7 days ago
Albert completed a maintenance service on our two ac units. He is knowledgeable, efficient, and extremely professional. He explains everything he has done and in layman’s terms any issues we might need to address. He is definitely a 5 star employee.
Response from the owner:Thank you, Jane, for your feedback and for sharing your experience with Albert’s maintenance visit on your two AC units. We’re glad his professionalism and clear, easy to understand explanations stood out, and fast response is a key strength we work hard to deliver. Please call us anytime to schedule seasonal tune-ups or set up ongoing service for worry-free comfort year-round.
Sharon L.
1 week ago
Dylan was very informative and thorough. He called me to inform me of the work that was done because it was storming so bad. Safety is important. Nothing was paid because I have the service plan through the company, Southern Air. Great company to work with.
Response from the owner:Thank you, Sharon, for sharing your feedback and for trusting Southern Air with your service plan. We’re glad Dylan kept you informed, worked thoroughly, and prioritized safety in the severe weather, and our professionalism is something we work hard to deliver on every visit. Please feel free to call us anytime to schedule seasonal tune-ups or to set up ongoing service.
Linda S.
1 week ago
Very friendly and professional!
Response from the owner:Thanks so much for the kind words! We really appreciate you noticing the little things—we’re always aiming to bring our best. Hope to see you again down the road!
Carmen M.
1 week ago
Lake did an excellent job! He was friendly knowledgeable, and professional. My dog liked him too!
Response from the owner:Thank you for the glowing review! We're so glad Albert took great care of you and made everything easy to understand. We truly appreciate your continued support and kind recommendations — it means the world to our team!
Raymond B.
1 week ago
I called Southern Air this morning (Monday)at 8:00 AM as our AC stopped working Sunday night. They dispatched Dylan Pacetti. He was here by 9:00 AM, analyzed the problem, made the repair, and was finished by 10:00 AM. Very speedy and professional service!
Response from the owner:Thank you, Raymond, for your feedback and for choosing Southern Air for your first visit. We’re glad Albert arrived early, treated you with courtesy and professionalism, and took time to walk through possible future concerns, and our fast response is something we work hard to maintain. Please call us anytime to schedule a seasonal tune-up or set up ongoing service.
Anna D.
1 week ago
Justin C.was polite and did professional service. Awesome job, took time to explain what happened and answered all my questions. Could not ask for better-thank you Justin!
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.
Phil M.
1 week 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.
reynol G.
1 week ago
Very polite and professional. He repaired our A/C and did not leave until he made sure it was working good and cooling.
Response from the owner:Thank you, Reynol, for your feedback. We’re glad you appreciated our professionalism and that we stayed to confirm your A/C was cooling properly, along with our fast response. Please call us anytime to schedule a seasonal tune-up or set up ongoing service.
Jessica H.
1 week ago
Lake was really nice and knowledgeable. Did the maintenance efficiently. Took care to even put on shoes covers to walk back inside as to not bring mud indoors. 10/10 service as usual. Great company and employees. Thanks Southern Air!!
Response from the owner:Thank you, Jessica, for your feedback and for noting our professionalism. We’re glad Lake provided knowledgeable, efficient maintenance and took care to keep your home clean with shoe covers. Please call us anytime to schedule seasonal tune-ups or set up ongoing service.
Larry Wayne D.
2 weeks ago
Gabby took my initial call and was very personable and helpful. Jamar (Technician) showed up ready to work and listened carefully to what was happening with the system. He was very detailed while troubleshooting our system and in his explanation of next steps. I am looking forward to working with Southern on the rest of the process! Great job so far!
Response from the owner:Thank you, Larry, for taking the time to share your feedback. We’re glad our team made your first call smooth and that the technician arrived prepared, listened closely, and explained the next steps clearly, and we pride ourselves on our professionalism. Please call us anytime to schedule seasonal tune-ups or to set up ongoing HVAC service.
John M.
2 weeks ago
Southern Heat and Air of Palatka,Florida has great service. I highly recommend everyone to use this company for A/C work in their homes. They are very pleasant and the job gets done fast. Thank you for your service
Response from the owner:Thank you so much for your kind words, John. It's wonderful to hear you appreciated our prompt and friendly service. We’re grateful for your recommendation!
Jody H.
2 weeks 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.

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