Hello World! Welcome Friends! Nothing provides more relief in the hot summer months than cranking down your AC’s thermostat settings. When the summer heat threatens to break your town’s temperature record, your unit blowing hot air can be a considerable inconvenience. The warm air can make some parts of your residence uncomfortable, leaving everyone sweating. Here are some reasons why your system is blowing hot air.
Incorrect AC Thermostat Settings
With summer already here, it’s very easy for anyone to forget to change the thermostat’s settings, especially if you’re busy. You may also have accidentally changed it on the smart thermostat app.
You shouldn’t be too hard on yourself; instead the first thing you should do when your unit starts blowing warm air is check its settings. If the settings are still in heat mode, you can change to cool settings.
If it’s in cool mode and still blowing hot air, you can confirm if the fan settings are in auto. When it’s on, your AC’s fan will continue blowing air even when it isn’t cooling the house. This means it will still blow warm air when your unit isn’t pumping cold air.
Clogged Ducts and Vents or Dirty Filters
The AC and the furnace may be stand-alone parts of your HVAC, but they do share the infrastructure. These two components use the same vents and ducts to warm or cool your home. With clogged ducts and vents, your system may not work properly. The same way you hired a furnace repair company before winter, you should do the same in summer. Fortunately, this is DIY-friendly repair and anyone can unclog these ducts and vents. If your system still blows warm air, then you can check the air filters.
Dirty or clogged filters can prevent air from moving through your system. This will force your unit to work harder to keep your home cool. You should always replace the air filters once every three months.
Dirty Evaporator Coils
Evaporator coils play a significant role in keeping your residence cool. They help absorb heat while keeping the house cool. When dirty, these coils won’t absorb heat, so you should clean your AC coil to improve your unit’s efficiency.
Frozen Evaporator Coil
These coils hold refrigerant that cools incoming air that’s dispersed everywhere in your home. Unfortunately, these coils can freeze when your home has limited airflow. When frozen, these coils can’t turn the coolant or refrigerant to gas and vice versa. This process helps cool the air entering your home. Unfortunately, fixing frozen coils yourself can result in more damage, so you should contact a pro.
Endnote
A malfunctioning or damaged AC can make your home unbearable in summer, especially when blowing warm air. This problem can be caused by frozen or dirty evaporator coils, dirty filters, and clogged vents. Before calling a technician, you should first try and find out the root of the problem. Start by confirming if your thermostat’s settings are in cool or hot mode. If it’s in cool mode and still blowing warm air, you can try the above DIY repairs. If this doesn’t work, you can call a technician to deal with the frozen evaporator coils.
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