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Heating and Air Conditioning

IDEAL-057 B2 - Blog

Why Do Air Conditioners Freeze Up?

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With summer in full swing, you need to be able to count on your AC to cool your home. Unfortunately, some AC systems freeze up in crunch time which can result in a hot home, potential water leaks, and other issues. Here are some reasons why AC systems freeze up and what you can do to prevent it from happening to you.

Dirty air filters

Air filters quickly fill up with dust and pollen during the sweltering summer months and this restricts the airflow and causes the system to freeze up. This one has an easy fix: pull out your dirty filters and replace them with new clean filters. Experts recommend replacing your filters at least once a month during the peak season of May-September.

Cool summer nights

AC units are rated to work in certain temperature ranges. If the temperature at night dips too low, it can actually cause the AC to freeze up. An easy way to prevent this from happening is to set your thermostat to its “auto” setting so that it turns off if the temperature inside your home is lower than the set temperature. If you do not have a programmable thermostat, give us a call at Ideal Partners and we can install one for you.

Vent blockages

Vent blockages can also restrict the airflow in your AC unit, causing condensation to form, which can turn into ice sheets in the unit. Make sure not to close too many of the supply vents and ensure no furniture is blocking your return or supply vents.

Refrigerant leaks, mechanical issues, drain lines

There is a wide array of other issues that can cause an AC to freeze up, including leaks, mechanical issues within the unit, drain line stoppages, and air duct issues. These problems can be very technical and difficult to diagnose and repair on your own, so it is typically best to call a professional if you have a challenge that is outside of your skill set.

If the troubleshooting tips we listed don’t help you solve your AC system’s problems, give Ideal Partners a call for same-day repairs and 24/7 emergency HVAC support.

a hand cleaning the inside of a air conditioning unit with a hose

Clean Your AC

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As we pull out of the cold weather funk and the warmth of spring is upon us, it’s time for spring cleaning. So, pull out your cleaning supplies and crank up the lawnmower. And don’t forget about your air conditioner. After a long, hard winter it needs some cleaning as well. Here are a few tips on how to get your AC ready for a long hot summer.

Change Your Filters

Thank goodness for air filters! They catch a lot of dust, hair, and debris that get sucked into your air. After a while, that debris can start to build up and cause numerous issues for both your unit as well as your health. The U.S. Department of Energy states that dirty filters can cause a lack of airflow and can affect how well your system works. In addition, that doesn’t stop all the dust and dirt from being stirred up and being put back in your air. Be sure to change your filter at least every 2 months. And if that’s not enough, ask your Ideal Partners rep about the Active Air Purifier system to avoid polluted air in your home. 

Clean Your House

While you have filters in your vents, there is only so much it can catch before it starts to build up. Dust and debris can build up around baseboards and in the vent. So, even though the filter is working on the air that’s brought in, you are still breathing it in when it gets pushed out. Be sure to dust and clean any baseboards, vents shelves, fans, etc. to prevent you from breathing any of that in. If you don’t have the time to do this yourself, check out Ideal Partners Maintenance program.

Remove Any Dust and Debris from the External Unit

Your outside units brave the wrath of mother nature. Make sure to clear any leaves, droppings, twigs, etc. from the vents of your outside unit. Anything like this can get stuck and cause damage to your system.

Have Your AC Inspected and Repaired

Your AC unit has braved through the brunt of the winter and now it is time to crank up the air and get your unit running. Be sure to get your unit inspected and repair any damage that is found. Call Ideal Partners and one of our certified technicians will come out to inspect your unit and fix any issue that you may have. Read and learn more about our Maintenance program and see if that is the right fit for you.

So, remember to add your AC unit to your spring-cleaning list. Get your AC ready for the heat and call Ideal Partners for all your HVAC maintenance needs.