Why Are There Hot and Cold Spots in My House?

Why Are There Hot and Cold Spots in My House?

Have you noticed hot or cold spots around your home? Maybe you have a bedroom that feels drafty or a living room that gets unbearably hot on sunny days. Hot and cold spots can be frustrating and uncomfortable. They can also be indications that your HVAC system isn’t running at optimal levels.

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An inefficient HVAC system is not just uncomfortable, it also reduces the energy efficiency of your home and can needlessly run up expensive utility bills. Routine HVAC inspection and maintenance can be an investment in the longevity of your system and insurance that you’ll never have to deal with a heating and cooling emergency.

How Airflow Problems Contribute to Hot and Cold Spots in Your House

Most problems with hot and cold spots can be attributed to airflow problems. HVAC systems are designed primarily to efficiently remove unconditioned air from rooms and replace it evenly with temperature-controlled, conditioned air.
When this process is disturbed it can cause hot and cold spots due to uneven distribution of conditioned air. The simplest causes of obstructed airflow could simply be obstructed vents.

It’s common to see furniture and rugs covering air vents or simply closed supply vents. Keeping doors closed can also cause hot and cold spots. Blocked airflow puts extra load on the HVAC system’s blower and can lead to premature failure.

What Else Can Cause Temperature Fluctuations?

If you have determined that your home has good potential airflow but are still experiencing hot and cold spots, then it might be time to call a professional. Airflow can be restricted in a number of ways that professionals can address. The first thing an HVAC technician would check is the system’s filter. Clogged and dirty filters prevent air from being drawn into the blower fan and moving across the heating and cooling elements.

This results in less flow coming from the supply vents and greater temperature differences in the conditioned air. In the long term, this can freeze coils or overheat heating elements and results in greater wear and tear on HVAC components. Routine maintenance can also catch problems like low refrigerant levels that cause the system to work harder to maintain suitable temperatures.

Another cause for hot and cold spots could be due to air duct problems. Over time, ducts can begin to leak conditioned air into attics and crawl spaces. They can also collapse and the insulation can degrade to the point that it isn’t protecting the conditioned air inside the duct. All these inefficiencies can quickly add up to expensive utility bills and uncomfortable living conditions.

How to Fix Hot and Cold Spots in Your House

There are many things that can be done to fix airflow problems. Consulting a professional is the quickest way to maximize your investment in your home’s HVAC system. They can quickly determine what is causing the hot and cold spots in your home and help you address inefficiencies before they start costing the big bucks.
In most cases, this will lead to a coil cleaning, which will help your system get back to cooling your home. Additionally, a technician can inspect air ducts to determine if there’s a leakage somewhere in the system.

In some cases, this will require an air duct repair, with a replacement being the worst-case scenario. Regardless of the course of action, it’s always a good idea to consult with a professional to get the ideal fix for your home’s hot and cold spots along with other common HVAC issues.

About Maitz Home Services

If you need help addressing any heating or AC repair issues in Allentown, PA and the surrounding areas, call Maitz Home Services at 1-484-552-9975. From routine maintenance to duct cleaning, we can keep your home’s HVAC system operating at peak efficiency, keeping cash in your pocket and making your home comfortable.