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Home AC Not Blowing Cold Air? 3 Things to Check Yourself

By: First Choice Air on August 15, 2018

With scorching temperatures in Southern California, we come to rely on the reprieve that a nice cool home brings. However, each summer countless residents in Los Angeles and Ventura County find that although their air conditioner is turned on, it's not blowing cold air.

When your home A/C isn't blowing cold air, there are several things to check yourself, to see if the problem can be fixed easily. Here is a look at 3 things to check when your air conditioner is running but isn't cooling your house.
  1. Make Sure All Registers are Wide Open
    This may sound obvious, but if you closed the registers for home repairs, or during cleaning, or painting, it's possible that you didn't open them again. It's entirely possible that one or more registers are closed, which would reduce the airflow thus making your home stuffy. Be sure to check all rooms in your home and ensure each register is free from clutter, and isn't being blocked by furniture.
  2. Check the Filter
    If the filter on your air conditioner is clogged, the evaporator coil may have iced up, resulting in reducing cooling. You can buy a new filter relatively inexpensively, and in the process, will likely save money as the United States Department of Energy reports that changing the HVAC filter can improve the efficiency of your equipment by 5-15%.

    Each make and model is liable to have a different type of filter, so you'll want to change the filter in keeping with the manufacturer's recommendation. However, if you own pets, or if you have multiple people in your home, your home is prone to accumulate pet dander, along with increased dust. Likewise, if you have had home improvements, or there is construction around your home, you will probably want to change your filter more frequently. Not only will this help your air conditioner to work properly, but this will also improve the air quality in your home.
  3. Check the Condenser Coils
    If you've confirmed that all registers are open, and you've changed the filter or confirmed that the filter isn't dirty, the issue may be dirty coils. If the coils become clogged, your compressor may overheat and shut down, resulting in periods where your air conditioning unit appears to work but then stops working. To check the coils, first be sure to turn off the power. You should also flip the circuit breakers to the off position. Turn off the power on the unit, and remove the disconnect block, and clean off the condenser coils.
If checking these three items doesn't result in your air conditioning unit beginning to cool your home properly again, it's likely time to call in the experts.

At First Choice Air, we serve all of Los Angeles and Ventura Counties, with rapid response times to get your HVAC unit working properly again. Our award-winning team of licensed, experienced HVAC technicians are available 7 days a week, and we never subcontract repairs out to outside vendors. When you call Los Angeles based First Choice Air for furnace or air conditioning repairs, you will work directly with one of our team members.

Our experienced team of HVAC service technicians have the know-how to repair any type of unit, including those from manufacturers such as Honeywell, Rheem, American Standard, GE, York, Amana, Rudd, Carrier, Day & Night, Bryant, Goodman, Trane, and Payne. We are also extremely proud to be a Dave Lennox Premier Dealer™, which is testament to our experience, commitment to exceeding customer expectations, and our expertise in all things home heating and air conditioning repair.

As a locally owned and operated company, First Choice Air is available to repair your air conditioner at your convenience, and we proudly offer 24-hour emergency service. We have earned the elite status of being EPA certified business. In addition, as a top reviewed air conditioning service, repair and installation company in Los Angeles we are very proud of our A+ rating from the Better Business Bureau.