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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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Blessed J.
10 hours ago
Randy was great today. Kind and patience.
Southern Air highly recommended.
Response from the owner:Blessed, thank you for the recommendation and for sharing your experience. I’m glad Randy took good care of you and was kind and patient during your visit.
Terri H.
14 hours ago
Justin Coates did my maintenance this morning. He was very punctual and professional. He is an awesome service representative. Thank you.
Response from the owner:Thank you for sharing your experience! We’re thrilled to hear Matthew and the team provided fantastic service with quick response times. We truly appreciate your continued trust and recommendation of Southern Air!
Richard B.
1 day ago
He was here for a couple of hours troubleshooting my AC as to why it wasn’t communicating with my Thermostat. He was on hold with the Lenex Technical Support and never got them to answer back. Another tech suggested a work around to test system and it worked. Got us a working unit until they could replace the wiring going to the electronics. Just a standard service call price.
Response from the owner:Richard we apologize for the inconvenience but appreciate your patience and understanding. We are diligently working with the manufacturer to get this resolved for you as soon as we can. Thank You!
Pam F.
2 days ago
Dylan provided excellent / thorough service. He spent quality time checking over unit & furnace. Very professional & polite. Southern Air has a bonus of employee with his personality!
Response from the owner:Thank you for another 5-star review, Pam! 🌟 We’re grateful for your continued trust and support—it means so much to our team!
Roger L.
2 days ago
Great communication, Jason worked fast but took no shortcuts. I was very happy with today’s service.
Response from the owner:Roger, thank you for the kind review. I’m glad Jason kept you informed throughout the visit and got everything taken care of quickly while still doing it the right way. We appreciate you choosing Southern Air.
Bonnie W.
3 days ago
Justin is a great technician!!
Response from the owner:Thank you, Bonnie, for the 5 stars! ⭐ We’re grateful for your support.
John U.
4 days 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!
Sandy J.
4 days ago
My first appointment. Jamar seemed thorough; took his time. He unclogged drain. Checked systems inside/outside. Even washed the unit! Explained what he was doing.
Gave recommendations as a/c isn't new!
Happy with my choice of Southern Air.
Response from the owner:Thank you, Sandy! We're very pleased to hear that Jamar took the time to thoroughly check your systems and even went the extra mile to wash the unit. It's wonderful to know you feel happy with choosing Southern Air.
terry C.
4 days ago
Knowledgeable & took time to make sure everything was working properly.
Response from the owner:Thank you Terry for choosing Southern Air!
James S.
6 days ago
Robert arrived in short order to an unexpected AC/Heat thermostat issue on a late Saturday afternoon. After initial trouble shooting, he was able to trace the cause to a unique mishap within the outside unit. Throughout the process he was professional, courteous and engaging in keeping us informed during the repair process. He proved to be a superb technician and a person of great character - 5 star.
Response from the owner:James, thank you for taking the time to share this. I’m glad Robert was able to get out quickly on a late Saturday, track down that unusual issue in the outdoor unit, and keep you informed while he worked. We appreciate your kind words about his professionalism and character.
Kelli G.
6 days ago
Robert was great and explained everything he was doing.
Response from the owner:Thank you, Kelli—I'm glad Robert took the time to walk you through everything and keep you informed along the way. We really appreciate you choosing Southern Air and sharing your experience.
Relic Rescue U.
1 week ago
Excellent! Excellent! Excellent! In the 11th hour of boiling Florida summer temps Justin brought out a new mother board and motor for our warrantied air conditioner. While waiting for parts Southern Air also brought us a small, one room portable air cond. to get us by and at no cost. GET THE ANNUAL MAINTENANCE CONTRACT!
Response from the owner:Wow — thank you so much for the glowing review! We’re thrilled Justin was able to get you up and running just in time. Our team is always happy to go the extra mile, and we’re so glad the portable unit helped while you waited. And yes — the annual maintenance contract really does pay off! We truly appreciate your trust in Southern Air!
Lorena H.
1 week ago
Southern Air has been great to work with; their techs are always on time, friendly, professional, and they explain things in an easy-to-understand way even if you don't know anything about how air conditioners work. Getting twice-yearly maintenance on my unit really gives me peace of mind that it's being kept up and if anything does go wrong I'll know about it before it gets too bad.
Response from the owner:We are so glad to hear it! Thank you for your review!
David C.
1 week ago
Justin the technician came through again dropped off our filters he is a great guy!!
Response from the owner:Thank you for the great feedback! We're so glad to hear your technician was awesome, thorough, and efficient. We truly appreciate your recommendation—it means a lot to us!
Jimmy Jam F.
1 week ago
He did a wonderful job, no issues
Response from the owner:Thank you so much for your 5-star review, Jimmy! We're glad to know you had a positive experience with Southern Air. Your support means a lot to us!
Kristen P.
2 weeks ago
We’ve had a great experience with Southern Air in Palatka, especially as members of their Comfort Club. It’s been a really great value for us because a technician comes out twice a year to check everything over and make sure our system is working well and staying on track.

This most recent visit was with Dylan, and he was excellent—professional, thorough, and easy to talk to. He cleaned our vent and spent real time going through the system to make sure everything was running exactly as it should. You could tell he cared about doing the job right, not rushing through it.

Highly recommend Southern Air, and if you’re considering the Comfort Club, it’s absolutely worth it.
Response from the owner:Kristen, thank you for the kind review and for being part of our Comfort Club. I’m glad the twice-a-year checkups have been a good value for you, and that Dylan took the time to thoroughly go through your system, clean the vent, and make sure everything was running the way it should. We really appreciate the recommendation.
marianne G.
2 weeks ago
Very helpful and explained situation
Response from the owner:Thank you! We're glad we could help and appreciate your kind words.
James S.
2 weeks ago
Very knowledgeable and polite, did a great job
Response from the owner:Thank you so much for your kind words, James. I'm delighted to hear that you found our team knowledgeable and polite. We're grateful for your positive feedback and for choosing Southern Air!
Daniel B.
2 weeks ago
Great
Response from the owner:Hi Daniel, thanks for your review! We’re glad you had a good experience and would love to make your next one a 5-star.
HARRY S.
2 weeks ago
Tech did a great job explaining everything and found the problem
Response from the owner:Thank you so much, Harry! We’re really pleased to hear that our tech was able to clearly explain everything during the service call. Your satisfaction is important to us, and we’re glad to have made a positive impression.
david T.
2 weeks ago
Justin was very knowledgeable. He found my issue with my A/C unit quickly. Would highly recommend Southern Air to anyone in need of service.
Response from the owner:Thank you, David! I'm glad to hear that Justin's expertise helped resolve the issue with your A/C unit promptly. We really appreciate your recommendation and are always here to assist with any future needs.
Hannah A.
2 weeks ago
They do a great job all the way around from our installation a few years ago and the services checks! Everyone is so nice and helpful, communication is great and I recommend them to everyone for A/C needs!
Response from the owner:Thank you so much, Hannah! It's wonderful to hear your positive experiences with both our installation and ongoing service checks. We're glad to know our team’s communication and helpfulness stood out to you.
Excellent and friendly service.
Response from the owner:Thank you, Marshall, for your kind words! I'm delighted to hear that you found our service excellent and our team friendly. Your satisfaction is our priority!
Willie M.
2 weeks ago
Very good service one happy customer 👍
Response from the owner:Hi Willie, thank you for the kind words! It’s wonderful to hear you're a happy customer. We appreciate your feedback!
Norman D.
3 weeks ago
Jamar is thorough and cares about getting the job done right.
Response from the owner:Thank you for the wonderful review, Norman. We’re glad to hear that Jamar’s dedication to thorough work and getting the job done right made a positive impact on your experience. Your satisfaction is important to us!
Joanne J.
3 weeks ago
Albert was awesome!
Response from the owner:Thanks for the shoutout! Damon always appreciates hearing this.
Kerry K.
3 weeks ago
Robert is awesome! He went out of his way to make sure my AC is working as it should. Some people may have just brushed it off, but he replaced a part that wasn’t drawing the correct amps. Replaced the part covered under my warranty. Very professional and honest work! Thank you for always providing honest and professional service!
Response from the owner:Thank you, Kerry! We're delighted to hear that Robert's professionalism and attention to detail made a difference for your AC system. It's important to us to ensure your system runs smoothly, and I'm glad we could address the issue under your warranty.
John N.
3 weeks ago
Jamar was very knowledgeable and effective- appreciate the excellent technical knowledge and helping me understand the system, fantastic technician!! Thanks!!!
Response from the owner:Thanks so much for the awesome feedback! We’re glad Jason took great care of you and helped make things easier to understand. We’ll be sure to let him know you gave him a shoutout!
Ronald C.
4 weeks ago
Justine is an outstanding technician. Very friendly, life family.
Response from the owner:Thank you so much for your kind words, Ronald. It's wonderful to hear that Justine made such a strong impression with her friendly and personable service; she's truly an asset to our team. We appreciate your feedback.
Linda L.
4 weeks ago
Very polite gentleman and very thorough. Explained everything. Great business. Did regular maintenance I can always count on southern air. Justin was the technician. 2/9/26
Response from the owner:We’re thrilled Randy could take such good care of you! It’s great to know you can always rely on Southern Air for your maintenance needs.
Marie R.
4 weeks ago
Our technician Albert was friendly. He made sure to let us know all was running well.
I would recommend them.
Response from the owner:Friendly service and peace of mind is what we aim for. Thank you for your thoughtful words and for recommending us!
Tera V.
4 weeks ago
Robert was professional, efficient, knowledgeable, and polite. We highly recommend Southern Air!
Response from the owner:We are so glad to hear it! Thank you for your review!
Penny L.
1 month ago
I was having issues with a noise coming from my condenser. Justin came out very quickly and checked it for me. He explained what the issue could be in a way I could understand. Great technician!
Response from the owner:Thank you, Penny! I'm glad you had such a positive experience with Dylan and found our service thorough. Your feedback means a lot to us!
Kellie
1 month ago
Robert is an excellent HVAC technician! I have been using Artic Air for years and became disgusted with their high pressure sales tactics. Robert handled my questions professionally-very informative. I highly recommend Southern Air. If I could give 10 stars I would! Thank you to the entire Southern Air team for their professionalism and prompt response.
Response from the owner:Thank you, Kellie, for your glowing review! We're glad to hear that Robert's professionalism and informative approach made a positive impression on you. Your recommendation means a lot to us, and we're grateful to have you as part of our Southern Air family.

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