Your entire home should be a retreat that’s warm and comfy in the cold months and cool and comfortable in the summer. However, owners of some two-story homes find the upper floor is stubbornly hotter or colder than the main floor.

This could merely be because most thermostats in a house are on the ground floor, which is where people spend the greatest amount of time—in the living room, kitchen, etc.—so as a result they tend to set the temperature according to how it feels on the first floor.

However, temperature differences between the upstairs and downstairs could also be because of issues with your HVAC system. Some of these issues can be resolved relatively quickly while others might necessitate more extensive and costly fixes. Here, the team at Central Air LLC will help you figure out why the upstairs of your home is hotter than downstairs, or vice versa.

Why Is It Hot Upstairs?

The phenomenon of the upstairs of a two-story home becoming hotter than the downstairs can be traced to several factors. First, heat rises, so it’s natural for the second floor of a home to get hotter than the ground floor. Lack of insulation in the attic or roof can worsen this problem by letting heat transfer from the roof into the upstairs rooms.

Another common reason is that the air conditioning is not strong enough to cool the entire home, causing it to struggle to cool the upstairs effectively.

To deal with these issues, homeowners could add more insulation in the attic and make sure their home has proper ventilation. If there’s a question of whether the air conditioning unit is the ideal size for the home, call an experienced HVAC company like Central Air LLC inspect the unit. A knowledgeable professional also can help find a unit that's better suited for your home if you are considering air conditioning installation or replacement.

Why Is My Upstairs Always Cold/Not Heating?

When the downstairs of your home is warm, but it’s extremely chilly upstairs, that can cause a very chilly night for anyone whose bedrooms are on the upper floor. The most prevalent causes of an upstairs not heating like it should are the insulation levels and the ductwork.

Inadequate insulation allows cold air to leak through the home’s attic or walls and contribute to heat loss, resulting in colder temperatures on the upper levels. It’s important to make sure your home has a deep, level layer of insulation in the attic and proper insulation in the walls to keep the cold out and the heat inside.

The ductwork in a home plays a very important role in disseminating conditioned air throughout different locations of the building. However, problems with the ductwork can result in the upstairs being colder than the lower floor. A typical explanation for this is improper airflow balance. The ducts may not be the right size or configuration, which results in an uneven distribution of air between the floors. This can cause more warm air to flow downstairs, which creates insufficient airflow—which is the heated air—on the upper level.

Another factor with ductwork is the location of the supply and return vents. If there are fewer vents on the upper story or they are not correctly located, it can limit air circulation and cause inferior heating or cooling. Additionally, leaks or gaps in the ductwork can allow air loss, reducing the overall efficiency of the HVAC system and actually making the temperature difference worse.

To determine why the upstairs is colder than the downstairs, homeowners should hve their ductwork checked by trusted professionals like the team at Central Air LLC to identify any imbalances, leaks or inadequacies. Sealing leaks and installing additional vents or adjusting existing ones can help improve airflow and ensure a more even temperature balance between the upstairs and downstairs.

How You Can Fix a Hot or Cold Upstairs?

If your upstairs is hotter or colder than the ground level of your house, an HVAC zoning system could be an effective solution.

An HVAC zoning system breaks the residence into different zones, which each have their own thermostat and damper system so the homeowner can customize the heating or cooling of each zone.

This system can be particularly helpful in situations where the upstairs of a multi-story home is very hot or really cold while the main floor is comfortable. By implementing a  zoning system, homeowners can manage the temperature independently in each zone, enabling them to address specific hot or cold spots effectively.

To learn more about an HVAC zoning system in Brookfield, call Central Air LLC. We’ve created and installed customized home comfort plans for many community members and are happy to show how an HVAC zoning system could enhance the comfort in your home.

Why Is the Humidity So High Upstairs?

In addition to the upper story being hotter or colder than the rest of the house, another issue in multi-floor homes is when the upper floors are more humid than downstairs.

A common explanation for excess upper floor humidity is inadequate ventilation on the upper floor, which can cause higher humidity levels. As is often the case with temperature differences between floors, insufficient insulation or sealing in the attic or walls may permit warm, humid air from outside infiltrate the upstairs rooms. In addition, if there are any leaks or plumbing problems on the upper floor, that can also create extra moisture in that section of a home.

To address humidity problems, homeowners can improve ventilation by using fans or opening windows to promote airflow. Adding more insulation  in the attic and better sealing the attic and walls can help protect against external moisture from entering the upstairs. Finding and repairing any leaks or plumbing issues is also extremely important.

Depending on the levels of moisture found in the home, a whole-home dehumidifier could be another helpful tool to control humidity in your home.