Why Is One Room Hotter Than the Rest of the House?

Why Is My Room So Hot Compared to Rest of House

As a Florida homeowner, you rely heavily on your air conditioning system to cool your home. But what do you do if one room in your home never seems to be as comfortable as the rest?

Lots of people experience temperature inconsistencies that leave one room (or multiple rooms) feeling hotter than the rest to no avail. While this may be common, you don’t have to put up with it. Read on to learn the various factors that can explain why one room in your house is always hotter than the rest of the house, and what you can do to fix it.

Why Is One Room So Hot Compared to Rest of House?

There are numerous reasons why one room is so hot compared to the rest of your house – here are the 10 most common.

1. Clogged Air Filter

When was the last time you changed the air filter? The air filter is one of the most important components of your air conditioning system. Without it, your system will continuously circulate dirt, dust, and other debris throughout your home (gross, right?).

But just like the air filter in your car, your air conditioning system’s air filter needs to be replaced regularly. When the air filter gets too dirty, it impedes airflow. This can cause a lack of cool air to reach certain rooms in your home, creating uncomfortable temperature inconsistencies.

2. Oversized AC System

When it comes to air conditioning systems, bigger isn’t always better. If your AC system is too big for your home, it was essentially cool your home too fast.

Your air conditioning system does more than just cool your home; it removes humidity too. So when your AC is operating on short, fast cycles, the air in your home cools down fast but will remain humid because your AC won’t have enough time to remove the moisture before the cycle is over. You may notice that certain rooms are affected more than others.

How to handle an oversized air conditioning system can be tricky. In some cases, a dehumidifier may be all that is needed to help your home reach your desired comfort level. However, if you notice your energy bills are exorbitantly high, it may make more sense to replace your system with an air conditioner that’s more suitable for the size of your home.

Call (727) 800-4148 to Schedule your Free In-Home AC Installation Estimate

3. Old, Inefficient Windows

If you live in an older home, your windows may be inefficient and could be contributing to heat gain in certain areas of your house. Replacing double-pane windows with Low-E glass windows can help minimize the ultraviolet and infrared light that passes through the glass, resulting in less heat gain when the sun shines through.

Replacing windows isn’t exactly a small investment, so if you’re not ready to upgrade you can try window film or window tint.

4. Windows Receiving Direct Sunlight

We all love how natural light makes our homes look, but with natural light comes heat gain. Even if you have updated windows, if your windows receive direct sunlight, it can be hard to keep your home cool – especially during the Florida summer.

If this is a problem for your home, you have a couple of options. Planting trees close to the windows can provide a natural (and beautiful) barrier between the sun and your home. If that’s not an option, look into awnings or blackout curtains.

5. Air Duct Issues

If there’s an issue within your home’s ductwork, it can impede airflow from reaching certain rooms in your home. Crushed or torn ductwork, disconnected ductwork, uninsulated ductwork, or air duct leaks can all contribute to improper airflow and temperature inconsistencies throughout your home.

When is the last time you had your ductwork inspected & cleaned?
Call (727) 800-4148 to Schedule your Appointment

6. Insufficient Return Air Vents

If the same room is always too hot or too cold and the air filter looks like it’s about to get sucked into the return air vent opening, your system is most likely not receiving enough air intake.

Try using a filter with a lower MERV rating since this allows more air to pass through. If that doesn’t solve your issue, you may need an additional return air vent installed in the room.

7. Closed Air Vents

Check each room in your home and ensure that your air vents are open and not obstructed by nearby furniture or decor.

When air vents are closed, it not only impedes the airflow to the room they are located in but this can also cause an imbalance in the entire duct system.

For more information, check out our blog: Should I Leave My Air Vent Open or Closed?

8. Poor Home Insulation

If your home has trouble retaining cold air in the summer, your problem could be insufficient or uneven insulation. This is especially true in older Florida homes.

Missing or inadequate insulation allows the heat the sink in, so it doesn’t matter how hard your AC works, the cold air escapes and the heat always find its way back inside.

9. Electronics and Appliances

Computers, especially ones with high-end graphics cards, generate a lot of heat. On top of that, monitors, televisions, lights and lamps, LED clocks, and other electronics generate heat as well. One solution is to turn off these things while they’re not in use. For lamps and other lighting, switch to LED light bulbs if you haven’t already.

Your oven, stove, and other kitchen appliances can also dramatically influence the temperature of your home, so try to only use these applianced when you really need to.

10. Home Additions

Does your home have a room that was added on? Have you done a large renovation on your home in recent years?

When your air conditioning system was installed, it was fitted to your home’s specific measurements and layout. If you added a room to your home and didn’t have additional ductwork installed, the room may not be receiving adequate (or any) airflow to help cool it down or warm it up. In some cases, simply adding a window unit or purchasing a box fan can help. If you added a significant amount of square footage, it may be wise to talk to a professional HVAC technician about the best option.

Contact Blair’s Air for AC Service in Tampa Bay

If your heating and cooling system isn’t working properly and causing one room to be hotter than the rest, Blair’s Air Conditioning and Heating can help. We can perform a thorough inspection of your home AC system and determine what’s causing one room run hot and what the best course of action is.

Call (727) 800-4148 to schedule service.

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