If the coils are frozen, the ice will cause a blockage for the drain hole. If you have a window AC unit, you can use a hairdryer to unfreeze the coil. Keep in mind that running an air conditioner with frozen coils can lead to extensive damage of the compressor. As soon as you notify us, we will quickly dispatch a service technician. Your indoor comfort is our top concern. We send our customers top-notch technicians. Our technicians are both factory trained and NATE certified. They also arrive equipped with cutting-edge tools for troubleshooting, diagnosing and repair.
In addition to a expert repair, you can expect a percent guarantee on all of our repair work. Running the AC with frozen coils strains the AC compressor. The AC compressor is the most expensive component in your air conditioning unit.
The strain may damage this valuable part and set you up for an unplanned expense. This easily damages components and creates new problems. Once the ice is gone, dry the evaporator coils. If off, restore the power to your system and turn the blower on. Set the thermostat to only run the blower or fan. This circulates air around and through the coils to dry them quickly.
Once the coils are dry, your system should operate normally. Simply put, when your air conditioner suffers from poor airflow, the evaporator coil gets too cold. As the refrigerant passes through, the chemical reaches temperatures as low as 10 — 20 degrees Fahrenheit. During normal operation, warm, unconditioned air passes over the coils. The ice even travels along the refrigerant lines.
As humid air, which we have a lot of here in Birmingham, meets the coils and condenses, it freezes even faster. Now you know what to do when your AC unit freezes up and why it does it. How to stop it from happening in the first place? AC freezing up? How can something that works all day during the hottest days of the year be prone to freezing? Despite the ironic happening of an AC freeze in the summertime, air conditioners freezing up is something that happens a lot.
Not many homeowners are equipped with the knowledge and understanding about air conditioners to prevent this problem on their own. A sure sign is to check the supply registers. Is it warm? Open the panel and check for ice. However, seeing ice is pretty-well a guarantee that your AC is frozen. First, we must understand that temperature is how much energy a molecule has. The same works in reverse, cold air is comprised of low energy molecules.
When it is compressed, the molecules get excited and heat up. The point of an air conditioner is to expand the refrigerant inside the evaporator coil so that it cools down, so when it leaves the air conditioner, it cools the air inside your home and effectively removes the hot air from inside the house. However, if something in the air conditioner malfunctions, the whole system gets disrupted.
This causes your system to work harder without a way to release the cooled or heated air. Another good practice is to walk around your home and check that indoor air vents and registers are clear from any obstructions. In some cases, the ductwork is installed well but the wrong size for your house or the capacity. The condensate lines drain excess moisture from your HVAC system. And that frozen water in your lines could leave you with frozen HVAC coils too.
This causes your system to struggle or not work at all. Are summer temperatures expected to drop at night? A good rule to remember is when the outdoor air temperatures dip, you should turn your air conditioner off. A special ambient temperature control installed can help prevent your unit from running in cooler weather. While it can be frustrating to find a frozen AC system as a homeowner, the problems that cause this are preventable.
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