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How To Eliminate Cold Spots

how to eliminate cold spots

In Your Home

Hot and cold spots in your home are not pleasant and are uncomfortable to experience.  When you are experiencing hot and cold spots in your home it is usually a sign of an airflow issue, poor insulation or inefficient heating. In this article we will discuss why hot and cold spots form in your home and what you can do to remedy the situation.

Air Balancing

Air balancing is a process used to optimize the distribution of conditioned air throughout your home. The goal is to ensure that each room receives the right amount of heated or cooled air, eliminating temperature variations and cold spots. Cold spots can occur when there's an imbalance in the airflow, and certain areas receive less conditioned air than others. HVAC systems often have dampers in the ductwork that control the flow of air to different zones or rooms. During air balancing, technicians can adjust these dampers to regulate the airflow and achieve a more even distribution of conditioned air. Registers, or vents, in each room can be adjusted to control the amount of air entering the space. If some rooms are consistently colder than others, technicians can adjust the registers to ensure a more balanced temperature throughout the home.

Evaluate Your Furnace Size

If your furnace is too small for your home it will not properly heat your home. Have LA Construction, Heating and Air professional assess your current system and home and calculate the correct furnace size. This is especially important if you recently renovated your home and added square footage but did not upgrade your HVAC system.

Seal Drafts

Common reason for cold drafts is leaky windows and doors. You are also wasting energy trying to heat the cold air coming in. Seal any drafts around windows and doors using weatherstripping or caulk. Install door sweeps at the bottom of exterior doors to prevent drafts. This is especially important for doors leading to unheated areas like garages or basements. This prevents cold outdoor air from entering the room and warm air from escaping. If your windows are old or single-pane, consider upgrading to more energy-efficient windows. Double-pane or triple-pane windows with low-emissivity coatings can significantly reduce heat loss.

Check and Insulate Ducts

Airflow problems can be caused by issues with your ducting resulting in uneven heating and cooling in different areas of your home. If the ducting was properly designed and installed the air will spread equally to all parts of your home. The ducts could have been installed incorrectly, damaged, leaking or could be the wrong size. Make sure that the ducts are properly sealed and insulated. If you suspect that there is a weak flow of air being distributed from your vents, contact us for further evaluation.


Check your insulation to see if there are any leaks or gaps that could allow air to escape. Make sure you have adequate insulation installed in your home and attic to help maintain an even temperature in your home.

Check Your Vents and Registers

Ensure that HVAC vents are open and unobstructed. You may also need to adjust the direction so that the air flows freely and more evenly. The solution to a cold spot could be as easy as rearranging furniture that may be blocking a vent. Avoid closing vents as they could cause more serious costly furnace repair issues due to system imbalance.

Check Your Air Filter

Checking and replacing your air filter is an important step in maintaining a comfortable, evenly heated home and improves indoor air quality. A clogged or dirty air filter restricts the airflow causing your system to work harder than it should to distribute the warm air throughout your home. It may not directly eliminate cold spots, but a clean air filter contributes to the overall efficiency of your heating system which can help distribute warm air more effectively.

Check Your Thermostat

Ensure your thermostat is operational and in a good location away from heat sources that could result in improper temperature readings. If the thermostat is faulty, it may not accurately gauge the temperature, leading to inconsistent heating. Consider upgrading to a programmable thermostat if you do not already have one or a smart thermostat for more advanced comfort control.

Schedule Furnace Repair

Furnace repair is crucial for eliminating cold spots and ensuring your heating system functions efficiently. A malfunctioning furnace will not produce heat or may distribute heat unevenly. Ignition or blower issues can result in inadequate airflow or prevent the system from starting up at all.  A well-maintained and repaired furnace operates more efficiently, reducing energy consumption. This not only helps eliminate cold spots but also contributes to lower utility bills. Ignoring furnace issues can lead to more extensive damage over time. Addressing problems promptly through repairs can prevent minor issues from escalating into major and more costly repairs.

Consider Furnace Replacement

After years of use your furnace’s performance will decrease leaving you with a less heat and inefficient system. Modern furnaces are more energy efficient and often come with advanced technologies that enhance their performance providing better and more consistent heating. Older furnaces may pose safety risks, such as carbon monoxide leaks. Upgrading to a new, safer furnace not only improves heating performance but also ensures the well-being of your household. If your heating equipment is past its life span, consider upgrading to a new, more efficient system to take care of your home.

Contact LA Construction, Heating and Air

If you have cold spots in your home contact our specialists at LA Construction, Heating and Air. Addressing and eliminating cold spots in your home requires a comprehensive approach that considers factors contributing to uneven heating. By sealing drafts, improving insulation, checking and replacing air filters, upgrading windows and doors, and possibly installing a zoning system, you can enhance the overall efficiency of your heating system. Regular maintenance, prompt repairs and, when necessary, upgrading to a more energy-efficient furnace contribute to consistent warmth throughout your home. Taking these steps not only enhances comfort but also promotes energy efficiency, and helps save you money while ensuring a comfortable and balanced indoor environment. Give us a call today or contact us online we are here to help you stay warm and cozy this winter.

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