As winter approaches in St. Louis, homeowners know that cold temperatures and unpredictable weather are just around the corner.
Preparing your HVAC system for these seasonal changes can allow for comfort throughout the winter months, no matter how chilly it gets. Scheduling a winter HVAC maintenance service with a trusted technician can help prevent breakdowns during the coldest days and improve your system’s performance.
Here’s a checklist of what a professional technician will cover in a winter check-up for your St. Louis home.
Professionally done , very friendly and easily let me understand the problem.
Response from the owner:Thank you, William! We're glad to hear that you had a positive experience with our team. Providing clear communication and friendly service is important to us. We appreciate your feedback!
I’ve been using “THOMAS Hoffmann Airconditioning and Heating LLC” for years now. We have a 30 +\- year old system that works perfectly for us. Although we’ve not had to use it yet, it is comforting to know they offer a 24 hour on call service. I really appreciate that the technicians don’t try to upsell us on anything. They’re a very professional, knowledgeable, and courteous, local-family owned and operated business. I’ve also found their pricing to be very fair and by”fair” I don’t mean “cheap” but reasonable… especially for the quality of service provided by THOMAS Hoffmann HVAC. I love supporting smaller family owned business and this one is top-notch! Thank you guys!
Response from the owner:Thank you so much for your continued support and kind words, Mari! We truly appreciate your loyalty and are glad to hear about your positive experiences with our services. We look forward to continuing to provide you with top-notch service in the future.
Excellent service from Nick! Friendly was super knowledgeable!
Response from the owner:Thank you, Margaret! We appreciate your kind words and will make sure to pass along your praise to Nick for his excellent service.
Our service technician arrived right on time and was professional, friendly, efficient and courteous. We couldn’t ask for more.
Response from the owner:Thank you for sharing your positive experience with our service technician! We appreciate your kind words and are glad to hear that you were satisfied with the service provided.
Nick was was great! He provided great service, explained everything, and was patient and kind.I definitely recommend using Hoffman!
Response from the owner:Thank you, Marilyn! We're glad to hear that Nick provided you with excellent service and made your experience enjoyable. We appreciate your recommendation!
The whole team was great, professional and friendly. Scheduling was easy and well organized, they had many options for different price points and financing options. Thank you!
Response from the owner:Thank you for the thoughtful review, Jasmine! We appreciate your support and continued business.
Love that it’s the same technician every time. Let’s me know what he found and any concerns he might have regarding our units. Great customer service.
Response from the owner:Thank you, Theresa! We're glad to hear you appreciate having the same technician and the communication about your units. Your feedback on our customer service means a lot to us!
From the phone to the completion of the job everyone is so polite and informative. I had Giovani as our representative and he was very informative and professional, and knew exactly what the problem was. Thanks so much.
Response from the owner:Thank you for the kind review, Frank! We appreciate you and your business.
Zach did an excellent job! Always courteous and friendly. We would highly recommend calling Thomas Hoffmann HVAC for any heating and cooling needs.
Response from the owner:Thank you, Allan! We're glad to hear that Zach provided excellent service and appreciate your recommendation for Thomas Hoffmann HVAC.
Was able to locate the problem right away and replace a switch and add Freon very nice job by this employee. I will recommend Thomas Hoffman for future references.
Response from the owner:Thank you, William! We're glad to hear that our team was able to quickly address the issue and that you had a positive experience with Thomas. Your recommendation means a lot to us!
I had Nick come out. He was awesome. Very knowledgeable, prompt and helpful. I will definitely recommend Thomas Hoffmann HVAC to others in need of HVAC support.
Response from the owner:Thank you, Jack! We're glad to hear that Nick provided you with excellent service. We appreciate your recommendation and look forward to assisting you and others in the future.
From our initial quote until the new furnace and AC were completed, everything was smooth and efficient. Zachary and Giovanni were excellent on-site, taking time to explain the installation as well as leaving the home clean.
Thank you Thomas Hoffmann team
Response from the owner:Thank you! We're glad to hear that the installation process was smooth and efficient. Zachary and Giovanni will be pleased to know their efforts made a positive impact. We appreciate your kind words about the team!
Update 4/6/26: Zach Sperling is such a pleasant and knowledgeable technician that I recommend him highly. Thomas Heating has been a wonderful company to work with in my maintenance plan. If you are looking for a reputable company, look no more.
This company is so responsive that I love them. They respond immediately, and I trust them to tell me what needs to be done. I haven’t been steered wrong yet. They are genuinely nice to work with and honest. I use their maintenance program which I highly recommend.
Response from the owner:Thank you for your kind words, we truly appreciate your trust in us and are glad to hear about your positive experience with our services.
work good but got at least 6 messages from them
very annoying
Response from the owner:Thank you for your feedback, Harold. We appreciate your input and understand how too many messages can be frustrating. We'll work on improving that experience for you.
Nick was great! He came right out and was able to solve the problem fairly easily. He communicated well and helped us prevent a future problem as well.
Response from the owner:Thank you for the review, Philip! We are happy to hear you had a pleasant experience working with us.
Response from the owner:Thank you, Pat, for your kind words about Giovanni; we appreciate your feedback and are glad to hear that he made a positive impression.
They have never failed to fix my hvac problems. These folks are top tier.
Response from the owner:Thank you for the wonderful feedback, Greg! We're glad to hear that you've had such positive experiences with our team. Providing timely and effective service is our priority, and we're here whenever you need us. Looking forward to assisting you again!
Furnace Inspection and Cleaning
A thorough furnace inspection is at the core of winter HVAC maintenance. A technician will inspect various components to ensure they function properly. This may include:
Burner and Heat Exchanger Inspection: A technician will inspect the burner for signs of dirt or debris that could impede performance. They’ll also examine the heat exchanger, checking for any cracks or corrosion that could lead to issues such as carbon monoxide leaks.
Gas or Oil Connections: Secure connections are essential for gas or oil furnaces’ performance and safety. Technicians inspect these connections for potential leaks or weaknesses that could cause hazards or reduce system efficiency.
Cleaning and Adjusting the Furnace: Dirt and dust can accumulate in your furnace over time, impacting its efficiency. Cleaning and making minor adjustments to settings can help optimize performance and energy usage.
Checking and Replacing Filters
While filters are often associated with summer cooling, they’re just as necessary during the winter. Dirty filters can hinder airflow, making your furnace work harder and increasing energy consumption. During a winter tune-up, a technician will examine the filters and replace them if needed to improve airflow and reduce strain on the system. Regularly scheduled filter replacement also supports better indoor air quality by capturing dust, pollen, and other airborne particles.
Thermostat Evaluation
A functioning thermostat is essential for maintaining the desired temperature in your home. During a winter HVAC check-up, a technician will examine the thermostat to verify that it’s accurately reading the temperature and that all settings are correctly adjusted. This may involve:
Calibration Check: An improperly calibrated thermostat can lead to temperature inconsistencies in your home. Calibration adjustments may be made to support accurate temperature settings.
Programming Assistance: If you have a programmable or smart thermostat, your technician can help adjust settings to optimize energy efficiency during winter. This can include setting lower temperatures at night or when your home is unoccupied.
Inspecting Electrical Connections and Components
Winter can strain your HVAC system, making it important to confirm that all electrical connections and components are secure and in good condition. Loose or corroded connections can reduce system efficiency and pose safety hazards. A technician will tighten connections, test voltage, and inspect key electrical components like capacitors and relays.
Testing Safety Features
Winter HVAC maintenance is also about maintaining a safe environment for St. Louis residents. Most heating systems have safety features designed to shut down the system if specific parameters are exceeded. During a winter check-up, a technician will test these safety features including:
Limit Switch Testing: The limit switch helps prevent your furnace from overheating. By testing this switch, technicians can assess whether it’s functioning as intended to support safe operation.
Carbon Monoxide Testing: A carbon monoxide test is crucial if your heating system is gas or oil-powered. A technician will examine the system for any signs of leaks, which could release harmful gases into your home.
Verifying Proper Airflow
Proper airflow is vital to efficient heating, as it allows warm air to be evenly distributed throughout your home. During winter maintenance, a technician will check for blockages or obstructions limiting airflow. They may inspect:
Ducts and Vents: Ducts and vents can accumulate dust, pet hair, and other debris over time. During a winter inspection, your technician may recommend duct cleaning if they detect significant build-up that could obstruct airflow.
Blower Components: A blower in good condition helps push air through the ducts effectively. Inspecting and adjusting blower components, your technician can help maintain optimal airflow and improve system performance.
Inspecting the Pilot Light or Ignition System
Gas-powered heating systems rely on a pilot light or an electronic ignition system to start heating. A technician will inspect these components to ensure they’re functioning reliably. If the pilot light or ignition system is not working correctly, it can lead to inconsistent heating and higher energy bills.
Providing Recommendations for Additional Services
Finally, a winter HVAC check-up may reveal specific issues or areas of concern that could benefit from additional attention. For example, older systems may perform less efficiently over time, and replacement parts may be recommended to enhance performance. Additionally, if your home experiences drafts or uneven temperatures, a technician may suggest adjustments or upgrades to improve overall heating effectiveness.
Scheduling Your Winter HVAC Maintenance
Staying proactive with winter HVAC maintenance can offer St. Louis homeowners peace of mind, knowing that their heating system is prepared for the season’s demands. Regular maintenance helps to keep your system running smoothly and reduces the risk of unexpected breakdowns during the coldest months.
Contact Us Today
If you’re ready to schedule a winter check-up or want to learn more about how seasonal maintenance can benefit your home, the Thomas Hoffmann Air Conditioning & Heating team is here to help. Our technicians are experienced in the unique needs of St. Louis residents, and we’re committed to helping you stay comfortable all winter.
1 thought on “Winter HVAC Maintenance Checklist for St. Louis Residents”