Winter HVAC Issues and Quick Solutions

Tori Klein • December 21, 2023

Homeowners rely heavily on their HVAC (Heating, Ventilation, and Air Conditioning) systems to maintain a comfortable indoor environment. However, the colder temperatures can put additional strain on these systems, leading to common issues that may disrupt their functionality.


In this blog post, we will explore some of the most prevalent HVAC problems during winter and provide practical solutions to keep your home warm and cozy.

Fresh snow on top of a heat pump.

1. Frozen Pipes and Coils

One common issue faced by homeowners during winter is frozen pipes and coils in their HVAC system. When temperatures drop significantly, the moisture in the air can freeze, leading to blockages in the pipes and coils. This can hinder the proper functioning of your heating system.


To address frozen pipes and coils, it's crucial to ensure proper insulation. Inspect your ductwork for any gaps or leaks and seal them securely. Additionally, maintaining a consistent temperature in your home, even when you're away, can prevent extreme temperature fluctuations that contribute to freezing.


2. Dirty or Clogged Filters

Dirty or clogged air filters can significantly reduce the efficiency of your HVAC system, leading to poor heating performance and increased energy consumption. During winter, when your system is working harder to warm your home, clean filters are essential. 


Conduct regular checks and replace air filters to ensure optimal performance. Consider replacing filters every 1-3 months, depending on the type and usage. This simple maintenance task not only improves heating efficiency but also extends the lifespan of your HVAC system.


3. Thermostat Issues

A malfunctioning thermostat can result in uneven heating or no heating at all. Incorrect temperature readings or a thermostat that doesn't respond can lead to discomfort and energy wastage.


Calibrate your thermostat to ensure accurate temperature readings. If you have an outdated thermostat, consider upgrading to a programmable or smart thermostat. These devices allow you to set customized heating schedules, optimize energy usage, and maintain a comfortable temperature in your home.


4. Inadequate Insulation

Insufficient insulation in your home can contribute to heat loss, making it challenging for your HVAC system to maintain a warm indoor environment. Common culprits include poorly insulated windows, doors, and walls.


Evaluate and upgrade your home's insulation, especially in key areas like the attic and walls. Weatherstripping around doors and windows can also help prevent drafts. Proper insulation not only improves heating efficiency but also reduces the workload on your HVAC system.


5. Ignition Problems

Gas furnaces may experience ignition problems during winter, preventing the heating system from starting. This can be caused by issues with the pilot light, thermocouple, or electronic ignition system.


For gas furnaces, it's essential to schedule regular maintenance checks. A professional HVAC technician can inspect and clean the ignition system, ensuring it functions correctly. If you have an older system with a pilot light, make sure it is lit and remains steady.


6. Noisy HVAC System

Unusual noises coming from your HVAC system may signal underlying issues that impact overall performance. These disturbances may stem from loose parts or a malfunctioning motor, both of which can compromise the efficiency of your heating system. 


Identify and address the source of the noise by tightening any loose parts and ensuring that all components are securely fastened. Lubricate moving parts to minimize friction and wear. If the noises persist or become more severe, seek professional assistance promptly. A qualified HVAC technician can conduct a thorough inspection to diagnose the root cause and implement the necessary repairs, ensuring your system operates smoothly throughout the winter.


7. Faulty Electrical Connections

When your HVAC system experiences issues with electrical connections, it can lead to intermittent heating or even complete system failure. To mitigate these problems, take immediate action. Start by turning off the power to the HVAC system to ensure safety during inspection and repair. Next, carefully inspect electrical connections for any signs of damage, corrosion, or looseness. Tighten any loose connections to restore proper functionality. 


However, if the issues persist or if you're uncertain about electrical repairs, it's advisable to consult a qualified electrician or HVAC technician. These professionals have the expertise to address electrical concerns, ensuring the safety and efficiency of your HVAC system. 



Maintaining a comfortable and warm home during winter requires proactive care and attention to your HVAC system. By addressing common issues such as those listed above, you can ensure that your heating system operates efficiently throughout the colder months. Regular maintenance and timely solutions will not only keep you warm but also extend the lifespan of your HVAC system, providing reliable performance for years to come.

Tailored Solutions Within Your Reach

Prepare to turn your winter concerns into a season of comfort and peace with Best Owner Direct HVAC and Electrical! We are your trusted companion through the complexities of HVAC challenges. Our skilled team is ready to address a spectrum of issues, from frozen coils to thermostat malfunctions, ensuring that your home remains a warm sanctuary amidst the winter cold. 

Don't allow common HVAC problems to diminish your comfort!

Call us at 503-442-5964 for dependable solutions tailored to your needs.

Explore our comprehensive range of services now and let us enhance your home with the attention it deserves.

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Best Owner Direct is your local, independent, family-owned and operated, residential and commercial HVAC service, repair and installation team. We're a trade ally of the Energy Trust of Oregon and our certified professionals offer services for all major brands. With over 20 years of experience, our team can handle all of your HVAC needs.


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