5 Common Air Conditioner Issues

Cornel's Plumbing, Heating & Air Conditioning Services

Your Local Plumbing, Heating & Air Conditioning Experts

 Locally Trusted 20+ Years

 Upfront Honest Pricing

 Skilled & Certified Techs

When summer strikes, a well-functioning air conditioner is essential for keeping your home cool and comfortable. However, like any other appliance, air conditioners can run into issues that affect their performance. In this blog, we’ll explore five common air conditioner problems, how to identify them, and what you can do to fix or prevent them.

1. Air Conditioner Not Cooling

One of the most frustrating air conditioner issues is when your air conditioner isn’t cooling your home effectively. This problem can arise from several causes:
  • Dirty Air Filters: Clogged filters restrict airflow, reducing the unit’s efficiency.
  • Refrigerant Leak: Low refrigerant levels can hinder the cooling process.
  • Blocked Condenser Coils: Dirt and debris can accumulate on the coils, impeding heat exchange.
Solution: Regularly clean or replace air filters, ensure proper maintenance of condenser coils, and have a professional check for refrigerant leaks and anything that requires air conditioning repair.

2. Leaking Water

Water leakage around the air conditioner is another common issue. This typically occurs due to:
  • Clogged Drain Line: A blocked drain line can cause water to back up and leak from the unit.
  • Dirty Air Filters: When filters are dirty, evaporator coils can freeze and then melt, leading to leakage.
  • Low Refrigerant: Low levels can cause the coils to freeze, resulting in water leaks as the ice melts.
Solution: Clean the drain line regularly, replace air filters, and ensure adequate refrigerant levels.

3. Making Strange Noises

Unusual noises from your air conditioner can be alarming and usually indicate a problem:
  • Loose Parts: Components may come loose over time, causing rattling or banging noises.
  • Fan Motor Issues: A failing motor can produce squealing or grinding sounds.
  • Debris in the Unit: Leaves or other debris can enter the outdoor unit, creating noise.
Solution: Inspect the unit for loose parts or debris and make sure the fan motor works well. Schedule regular professional maintenance to catch issues early.

 4. Air Conditioner Cycling On and Off Frequently

Short cycling, where the air conditioner turns on and off repeatedly, can prevent your home from cooling efficiently:
  • Thermostat Problems: A malfunctioning thermostat can cause the unit to cycle incorrectly.
  • Refrigerant Leak: Low refrigerant levels can also lead to short cycling.
  • Oversized Unit: If the air conditioner is too large for the space, it will cool the area too quickly and shut off.
Solution: Check the thermostat for proper functioning, check refrigerant levels, and ensure your air conditioner is appropriately sized for your home.

5. Not Turning On

When your air conditioner fails to turn on, it can be due to several factors:
  • Power Issues: Check the circuit breaker or fuse box for tripped switches or blown fuses.
  • Thermostat Issues: Ensure the thermostat is set correctly and has functioning batteries.
  • Internal Problems: Faulty wiring or a malfunctioning component may be the cause.
Solution: Verify the power supply and thermostat settings. If the issue continues, please contact a professional to diagnose and fix any internal problems.

Keeping Your Air Conditioner in Top Shape

Regular maintenance is vital in preventing these common air conditioner issues. Here are some tips to keep your unit running smoothly:
  • Schedule Annual Tune-Ups: Professional maintenance can identify and address potential problems before they become serious.
  • Clean or Replace Filters Monthly: This simple task can significantly improve your air conditioner’s efficiency.
  • Keep the Area Around the Unit Clean: Remove debris and ensure airflow around your outdoor unit.
  • Monitor Performance: Pay attention to any changes in your air conditioner’s performance and address them promptly.
At Cornel’s Plumbing, we understand the importance of a reliable air conditioning system. Our experienced team is here to help you with all your HVAC needs, from regular maintenance to emergency AC repairs. Contact us today to ensure your air conditioner is ready to keep you cool all summer long!

Same Day Service
$50 Off Furnace Repair

License Number: CCB#226109

Receive A Callback In
10 Minutes or less!

(During business hours Mon-Fri 6am-7pm)

Same Day
Plumbing & HVAC
Services

License Number: CCB#226109

Receive A Callback In
10 Minutes or less!

(During business hours Mon-Fri 6am-7pm)

No reviews found, offset too high or another restriction.

Do You Have A Home Service Emergency?

Our goal is to provide expert same-day solutions for all your leaks, clogs, and installations, ensuring a reliable and efficient plumbing system for your home.

Cornel's Plumbing Heating & Cooling

#1 For Plumbing Heating & Air in Portland, OR Trusted with over 1500 5-Star Reviews

Do you have a plumbing problem? Is your furnace or air conditioner not working? Need immediate help? Are you looking for a professional you can trust? Call Cornel’s Plumbing, Heating, and Air right away.

Serving residential owners in and around Portland, Oregon, for 40+ years, we are a licensed and Family Owned & Operated company specializing in PlumbingHVAC services. Our attributes like professionalism, high quality of services, work ethics, and quick assistance have made us a household name and the go-to Portland plumbing service partner.

— Built on Trusted Brands. Installed by Experts. —

Contact Us

Day or Night, Call Cornel’s to Make It Right.

Let us know how we can help you and a member of our expert team will call to schedule your appointment.

Thousands of Portland homeowners trust Cornel’s with their plumbing, heating and air conditioning needs.

Feel free to Call or fill out the form to get started with us today! We look forward to serving you

By submitting, you authorize Cornel's Plumbing Heating and Air to reach out via phone, email, or text for explicit information about project needs. We will never share your personal information with 3rd parties for marketing purposes or spam you. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase. Terms Of Use | Privacy Policy

Loading map...
SERVICE AREA

Find Out If We're In Your Neighborhood!

Our Service Area covers the greater Portland metro area and more! If you're not seeing your hometown in the map, enter your zip code below or contact us today to learn more!

  • Aloha, OR
  • Beaverton, OR
  • Cornelius, OR
  • Forest Grove, OR
  • Hillsboro, OR
  • King City, OR
  • North Plains, OR
  • Sherwood, OR
  • Tigard, OR
  • Tualatin, OR

CALL US TODAY

CALL US TODAY

971-351-4414