24/7 Emergency Service
Don’t suffer after business hours if you have an HVAC or plumbing emergency. Horn Plumbing & Heating proudly offers 24/7 emergency solutions to serve our community best. Call us at (610) 363-4200 to get help now. We work day and night in Chester, Delaware & Montgomery Counties. Whether your home is freezing in the winter, your basement is filling with water from your water heater, or you have another emergency, we’re here for you.
(610) 363-4200 Schedule Online

Why is My Air Conditioner Frozen

 Frozen Air Conditioner

When summer arrives, the last thing you need is your air conditioner freezing up. Your AC is supposed to keep you cool, not turn into an icebox itself. So, why does this happen? And more importantly, what can you do about it? The experts at Horn are here to answer the common question homeowners ask, “Why is my air conditioner frozen?”.

Reasons Why Your AC May Be Frozen

Poor Airflow

One of the most common reasons your AC might be freezing up is poor airflow. When air can’t move freely through the system, the evaporator coil can get too cold and eventually freeze. Common culprits include:

  • Clogged Air Filters: If your filters are dirty, they restrict airflow. Changing them regularly can prevent this issue.
  • Blocked Vents: Ensure that your vents are open and unobstructed by furniture or other items.

Low Refrigerant Levels

Refrigerant is the lifeblood of your AC. If there’s a leak or the levels are low, the pressure in the system drops. This causes the evaporator coil to freeze. Low refrigerant is a serious issue that needs professional attention.

Thermostat Issues

If your thermostat is malfunctioning or set too low, it can cause your AC to run constantly, leading to freezing. Make sure your thermostat is working correctly and set at a reasonable temperature.

Dirty Evaporator Coils

Over time, the evaporator coils can get covered in dirt and grime, which insulates them and prevents proper heat exchange. Regular maintenance and cleaning can prevent this build-up.

Fan Problems

The fan in your AC unit is responsible for moving air over the coils. If the fan isn’t working properly, it can’t move enough air, causing the coils to freeze. This could be due to a malfunctioning motor or a problem with the fan blades.

What Should You Do?

If you’re wondering, “Why is my air conditioner frozen?”, here are a few steps you can take before calling in the pros:

  1. Turn Off the AC: Running a frozen AC can cause further damage. Turn it off to let it thaw.
  2. Check the Filters and Vents: Make sure they are clean and unobstructed.
  3. Inspect the Thermostat: Ensure it’s working correctly and set to a reasonable temperature.

Call the Experts at Horn for All Your Air Conditioning Services

While these tips might help you understand and prevent a frozen AC, dealing with the underlying issues often requires professional expertise. At Horn, we specialize in diagnosing and fixing all your air conditioning problems, ensuring you stay cool and comfortable all summer long. Don’t let a frozen AC ruin your day. Contact us today for reliable and efficient air conditioning services. We’ll inspect your system and get it back up and running in no time.

WE OFFER FINANCING

FIND OUT YOUR OPTIONS
Learn more

Contact the Pros today

Request Service

  • By submitting this contact form and signing up for texts, you consent to receive text messages from Horn Plumbing & Heating at the number provided, including messages sent by auto dialer. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP or clicking the unsubscribe link (where available) and no further messages will be sent. Reply HELP for help.

Why Choose Horn Plumbing & Heating?

Trusted Locally Since 1981

At Horn Plumbing & Heating, we’re committed to delivering reliable service with honesty, integrity, and quality workmanship. Since 1981, our team has proudly provided expert plumbing, heating, and cooling solutions. As a family-owned and operated company, we combine decades of experience with personalized care to ensure every job is done right.

  • Family-owned and operated
  • In business since 1981
  • Satisfaction guarantee
  • On-time service
Historical photo of Horn Plumbing receiving award