Hot Spots in Your Home? Here’s Why and What to Do

Hot spots in a home can be a frustrating problem, especially during the summer months when the demand for cooling increases. These temperature inconsistencies can make it difficult to maintain a comfortable living environment throughout your home, leading to potential issues with your HVAC system. Fortunately, you can take steps to resolve hot spots and create a more consistent temperature throughout your home.

In this blog post, we will explore what hot spots are, the common causes, and provide professional tips on how to prevent and fix them. Whether you’re experiencing hot spots in your home or want to be prepared for the future, we got you covered.

What Is a Hot Spot?

A hot spot is an area in a home or building that is consistently warmer than the surrounding areas. This temperature inconsistency can make it difficult to maintain a safe and comfortable living environment. Typically, these are caused by several factors, such as poor insulation, blocked vents, air leaks, inefficient HVAC systems, large windows, and electronic devices.

Hot spots can occur in any room of your home, but they are most common in rooms that are exposed to direct sunlight or have poor airflow. Identifying and addressing hot spots is crucial for maintaining a consistent temperature throughout your home, improving energy efficiency, and ensuring the longevity of your AC system.

What Causes Hot Spots in a Home?

Hot spots in a home are common and can be caused by several factors such as bad insulation, poor ventilation, electronic devices and more.

Poor Insulation

Poor insulation is one of the most common causes of hot spots in a home. Insulation is designed to regulate the temperature inside a home by preventing heat from escaping in the winter and preventing warm air from entering in the summer. If there are gaps or leaks in the insulation, hot spots can occur where the heat is able to penetrate through the gaps.

Inefficient HVAC

When an AC unit is not working efficiently, it may struggle to cool certain areas of your home, resulting in hot spots. Hot spots can occur if your unit is 10+ years old and in need of replacement or improperly sized for your home.

Poor Ventilation

Poor ventilation in a home can also lead to hot spots. If air is not circulating properly throughout a home, it can become trapped in certain areas, causing those areas to become warmer than others. This can be especially true in areas such as basements or rooms with poor airflow.

Large Windows

An often-overlooked cause of hot spots in a home are large windows. Large windows, particularly those that face south or west, can allow sunlight to enter your home, creating hot spots in the areas exposed to direct sunlight.

Electronic Devices

Another common cause of hot spots in a home is the use of appliances and electronics. Many appliances, such as refrigerators, ovens, and computers, generate a significant amount of heat while in use. If these appliances are in a confined space or near other heat-generating appliances, they can create hot spots in the surrounding area.

How to Resolve Hot Spots

If you’re experiencing hot spots in your home, it can be uncomfortable and impact the overall efficiency of your system. Fortunately, there are several steps you can take to help resolve this issue.

Install a Zoning System

With a zoning system, you can divide your home into different zones and control the temperature in each zone separately, which can be especially helpful if you have hot spots in your home.

Inspect and Clean Air Ducts

By inspecting and cleaning your air ducts, you can remove debris buildup and improve airflow through your HVAC system. This can help to eliminate hot spots by ensuring that air is distributed evenly throughout your home, improving the overall efficiency of your HVAC system, and maintaining a consistent temperature.

Upgrade Insulation

Consider upgrading if hot spots occur in your home or building due to poor insulation. Upgrading your insulation can help prevent heat from escaping and hot spots from developing. We often recommend several types of insulation, including fiberglass, blown-in cellulose, spray foam, and rigid foam boards. The type of insulation best for your home will depend on several factors, and it is best to consult with an expert first.

Window Coverings

If the source of your hot spot in your home is due to large windows, we recommend investing in some window coverings. By installing window coverings such as blinds, shades, or curtains, you can control the amount of sunlight that enters your home and reduce the amount of heat emitted in those areas. Another option to consider is reflective window films, which can also be an effective solution for preventing hot spots.

How to Prevent Hot Spots in Your Home

Preventing hot spots from developing in the first place is often easier and less expensive than addressing them once they’ve occurred. Some preventative maintenance tasks you can perform include:

  1. Change Air Filters Regularly: Dirty air filters can restrict air flow, leading to hot spots. Regularly changing your air filters can help ensure that air is flowing freely throughout your building. Not sure what air filters your unit requires? The experts at Chas Roberts can help!
  2. Schedule Regular AC Maintenance: Regular maintenance can help identify and address potential issues before they become major problems, helping to prevent hot spots from developing.
  3. Upgrade Your System: If your HVAC system is old or no longer efficient, upgrading to a newer, more efficient system can help prevent hot spots from developing and improve overall energy efficiency. Chas Roberts specializes in installing and servicing top-of-the-line AC systems such as Trane, Lennox, Carrier, and Goodman. We’ll even help you select the best unit for your home and budget.

Say Goodbye to Hot Spots with Chas Roberts

Hot spots can be frustrating, but understanding what causes them and how to prevent them can help keep your home or business comfortable and running efficiently. If you’re experiencing hot spots, try some of the solutions mentioned above, and schedule regular maintenance to prevent future issues.

Family-owned and operated Chas Roberts is the largest HVAC company in Arizona and has been in business for over 75 years. Contact us for affordable, reliable service.