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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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Ada M.
1 day ago
Southern Air and their technician, Jamar, were absolutely amazing! I could not be happier with the entire experience—from my very first phone call and inquiry to the incredibly efficient, kind, and courteous technician who came out to help. Jamar was professional, knowledgeable, respectful, and genuinely cared about getting the job done right. It’s refreshing to find a company that provides quality, dependable, honest, and affordable service. I would highly recommend Southern Air to anyone needing work done on their air-conditioning system. They truly exceeded my expectations, and I am so happy I called them! Thank you, Southern Air and Jamar, for such an outstanding experience! ⭐️⭐️⭐️⭐️⭐️
Response from the owner:Thank you, Ada, for taking the time to share your feedback. We’re glad your call was handled smoothly and that Jamar delivered professional, knowledgeable service while getting everything done efficiently and correctly. We pride ourselves on fast response, so please call us anytime for seasonal tune-ups or to set up ongoing service.
Dwight
1 day ago
He was great I would highly recommend him to my family and friends
Response from the owner:Thank you, Dwight, for taking the time to share your feedback and for recommending Southern Air to your family and friends. We’re glad you had a great experience, and our professionalism is something we work hard to deliver on every visit. Please call us anytime to schedule a seasonal tune-up or set up ongoing service.
Marie R.
2 days ago
Our technician Jason informed us he was on his way so we were ready for him. He performed our maintenance and also recommended a product that would help our air conditioner not work is hard.
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!
Doreen J.
2 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!
Linda L.
2 days 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. 8/25/26
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.
Irving S.
3 days ago
They got the necessary motor faster than expected. Communication was fantastic. I really like getting a text with the technician's name and picture. The repair was fast and on time.
Response from the owner:Thank you, Irving, for taking the time to share your feedback. We’re glad you appreciated our fast response and the technician photo text, and that the repair was handled efficiently with clear explanations along the way. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
Sheri S.
3 days ago
I have used Southern Air for over 20 years and have always received excellent service. A true honest company that cares about their customers. Justin Coates is our service Tech and he is the best!
Response from the owner:Thank you, Sheri, for your kind feedback and for trusting Southern Air over the years. We’re grateful you’ve consistently experienced honest, customer focused care, and we take pride in our professionalism and the service our technicians provide. If you ever need a seasonal tune-up or would like to set up ongoing service, please call us anytime.
Summer L.
4 days ago
Fantastic as always! In and done within an hour.
Response from the owner:We’re so glad to hear it! Thank you for being part of our customer family!
Nanci S.
5 days ago
Called on a Saturday morning, our ac had stopped working Friday evening. The office was friendly and helpful and scheduled Albert right away. He came in less than 2 hours and although the blower motor has to be replaced he had our air back running in a short time. Very knowledgeable,professional and reasonable prices. Thank you
Response from the owner:Thank you, Nanci, for taking the time to share your feedback. We’re glad our friendly office team could schedule service quickly and that Albert got your AC running again fast while outlining the blower motor replacement, and we take pride in our fast response and professionalism. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing maintenance service.
Robert H.
5 days ago
Did a fine job and very knowledgeable and very pleasant to talk with
Response from the owner:Thank you, Robert, for taking the time to share your feedback. We’re glad you found our team knowledgeable and easy to speak with, and we aim to deliver the same professionalism on every visit. If you’d like to schedule seasonal tune-ups or set up ongoing service, please call us anytime.
Gordon S.
5 days ago
Justin came in and was very respectful of my automobiles because he had to move them and he went up into the attic when it was boiling hot and found my problem. Very satisfied with Justin and the team
Response from the owner:Gordon we are glad to hear of your great experience Southern Air and your technician Lavarus. Thank you for choosing Southern Air and great job Lavarus!
Willie M.
5 days 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!
Brenda H.
6 days ago
Made sure I understood what services were needed. Was kind and professional. Thanks Justin
Response from the owner:Thanks for the positive review, Brenda!
Chelsea M.
6 days ago
Southern Air is phenomenal! They installed a brand new AC unit and a new air handler for us- they were prompt, efficient, and thorough. The techs disposed of our old equipment, and left our home in pristine condition. When we had an issue related to a power outage once, and they sent a tech out to us within 30 minutes of our call. They offer 10 year warranty options and an annual program, where they will perform all maintenance, even filter changes. I could not be happier with their services, and I enjoy never having to think about the AC! They are the best in Putnam county. Updated to add: I continue to be impressed by Southern Air. Our air conditioner went out late in the evening. Someone from this company answered the phone at 9:00 pm and arranged service for us first thing in the morning. Trenton was friendly and knowledgeable. He arrived promptly as scheduled and diagnosed the issue. I appreciate that they texted a photo of the technician and his name, so I knew who to expect, for safety. Everything was covered under the maintenance plan and warranty, and they even loaned us a temporary air conditioning unit while we wait over the weekend for the parts and repair. I am very grateful. The people running this company are wonderful people that truly care.
Response from the owner:Thank you so much for taking the time to leave us a positive review - it’s greatly appreciated!
Barbara T.
6 days ago
This is the first time I’ve had Southern Air out to my house and I must say that I have been very happy with the results. They seem to be fair and honest I joined their club and I’m very happy with the results. I would definitely recommend them.
Response from the owner:Thank you for the kind feedback, Barbara. We’re glad your first visit with Southern Air left you feeling confident in our honest, fair approach, and we take pride in our professionalism. Please feel free to call us anytime to schedule seasonal tune-ups or set up ongoing service.
Larry J.
6 days ago
The Service is always spot on technician Are very professional highly recommend
Response from the owner:Thank You Larry for choosing Southern Air and the 5 Star review!
Dawn
7 days ago
Excellent, He does a wonderful job with great work ethics and very professional. I can't say enough, this is the 3rd time he came and I don't want anyone but him🌸
Response from the owner:Thank you, Dawn, for your kind words! We're delighted to hear that you're pleased with the professionalism and work ethic of our technician. We appreciate your loyalty and look forward to assisting you again in the future.
Matthew H.
7 days ago
Showed up on time. An appointment is very important to me. I like a schedule. Do what you say you are going to do and you can beat out 80% of the other companies.
Response from the owner:Thank you, Matthew, for your feedback and for highlighting how much punctuality and keeping commitments matter to you. We take professionalism seriously and work hard to arrive when we say we will and respect your schedule. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
Barbara
7 days ago
Very good, honest company to use.
Response from the owner:Thank you! We appreciate your kind words and are glad you had a positive experience with our team.
Larry D.
7 days ago
SUPER! Make sure you ALWAYS send HIM!
Response from the owner:Thank you so much for your wonderful review! We're delighted to hear that you had a fantastic experience, and we look forward to providing you with great service again.
Susan B.
7 days ago
Justin seems to be a very knowledgeable technician with air conditioning units. He is very professional.
Response from the owner:We appreciate your feedback. Thank you for the review!
Mike L.
7 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!
Chris H.
1 week ago
Our technician was Albert Vera and he was very knowledgeable and fixed our AC unit whereas other companies came out and could not fix it and just wanted to sell us a new unit. So I definitely would recommend this company. NOT A SCAM COMPANY AT ALL. TRULY ON HONEST COMPANY !!!!
Response from the owner:Thank you, Chris, for your feedback and for recommending Southern Air. We’re glad our team’s professionalism and fast response helped get your AC repaired when others pushed replacement instead. Please call us anytime to schedule a seasonal tune-up or set up ongoing service to keep things running smoothly.
Al B.
1 week ago
I am considering switching suppliers of HVAC service to three residences.I scheduled this service to get acquainted with Southern Air. Trenton delivered for us and for southern Air. We hope to see more of Trenton and southern air as we have needs in the future.
Response from the owner:Thank you, Al, for your feedback and for giving Southern Air the opportunity to earn your trust across your residences. We’re glad Trenton made a strong first impression, and we pride ourselves on our professionalism and fast response. If you’d like, please call us anytime to schedule seasonal tune-ups or set up ongoing service for all three homes.
cathy D.
1 week ago
He was courteous and friendly. And prompt!!! He had our air conditioner up and running again. Thank you so much Justin. 😊
Response from the owner:Hi Cathy! Thank you so much for taking the time to leave us a positive rating!

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