Your entire home should be a refuge that’s warm and comfy in the winter season 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 rooms on ground level.

This could merely be caused by the fact that most thermostats in a house are on the main floor, which is where people spend the most 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 variations between the upstairs and downstairs could also be caused by trouble with your HVAC system. Some of these issues can be resolved fairly quickly while others might necessitate more extensive and costly fixes. Here, the team at AW Heating & Air Conditioning will help you figure out why the upstairs of your home is hotter than downstairs, or vice versa.

Why Is My Upstairs So Hot?

The phenomenon of the upstairs of a two-story home feeling hotter than the downstairs can be attributed to several factors. Number one, heat rises, so it’s natural for the second floor of a home to get hotter than the main floor. Insufficient insulation in the attic or roof can exacerbate this issue by letting heat transfer from the roof into the upstairs rooms.

Another common reason is that the HVAC system is not strong enough to cool the entire home, causing it to struggle to cool the upstairs sufficiently.

To tackle these issues, homeowners could put in additional insulation in the attic and make sure their home has adequate ventilation. If there’s a possibility the AC is the ideal size for the home, call an experienced HVAC company like AW Heating & Air Conditioning inspect the unit. A knowledgeable professional also can help locate a unit that's better suited for your home if you want 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 an ice-cold night for anyone whose bedrooms are on the upper floor. The most common causes of an upstairs not heating like it is supposed to 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 higher floors. It’s essential to make sure your home has a solid, level layer of insulation in the attic and appropriate insulation in the walls to keep the cold out and the heat inside.

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

Another potential problem area in the ductwork is the layout of the supply and return vents. If there are fewer vents on the upper level or they are not correctly positioned, it can restrict air circulation and cause inadequate heating or cooling. In addition, leaks or gaps in the ductwork can cause air loss, decreasing the overall efficiency of the HVAC system and exacerbating the temperature difference.

To find out why the upstairs is colder than the downstairs, homeowners should hve their ductwork inspected by experienced HVAC pros like the team at AW Heating & Air Conditioning to identify any imbalances, leaks or inadequacies. Sealing leaks and installing additional vents or adjusting existing ones can help increase 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 lower floors of your residence, an HVAC zoning system could be a great solution.

An HVAC zoning system divides the household into distinctive zones, which each have their own thermostat and damper system so the homeowner can control the heating or cooling of each zone.

This system can be particularly useful in instances where the upstairs of a multi-story home is too hot or extremely cold while the main floor is comfortable. By investing in a  zoning system, homeowners can control the temperature independently in each zone, allowing them to address specific hot or cold spots effortlessly.

To discover more about an HVAC zoning system in Lincoln, call AW Heating & Air Conditioning. We’ve designed 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 upstairs is more humid than the lower level.

A frequent reason for excess upper floor humidity is inadequate ventilation on the upper floor, which can result in greater humidity levels. As is often the case with temperature differences between floors, poor insulation or sealing in the attic or walls may permit warm, humid air from outdoors infiltrate the upstairs rooms. Plus, if there are any leaks or plumbing issues on the upper floor, that can also cause unwanted moisture in that section of a home.

To manage humidity problems, homeowners can increase ventilation by installing fans or opening windows to promote airflow. Proper insulation  in the attic and better sealing the attic and walls can help protect against external moisture from entering the upstairs. Identifying 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 the residence.