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Why is my central AC frozen? Learn the causes and solutions

Talking AC: Finding the Solution to Your Frozen Central AC Unit

Hey there! I’m Russ, one of the managers at Reliable Appliance & HVAC. Have you ever felt like your AC is blowing hot air instead of cold, and it’s not even the hottest day of the year? Worry not! You’ve come to the right place. We’re here to help you with your Frozen central AC unit!

Our recent job was in the beautiful city of San Francisco, at the cozy apartment of Mr. Jose Rodriguez. He called our hotline because his AC wasn’t working properly. We sent one of our finest technicians, James, to check it out, and within a few hours, we diagnosed the problem and got it fixed, working like new.

Jose mentioned that his AC unit was a Carrier Performance Series, a high-quality model from one of the major central AC brands. We know this brand well—reliable, but not entirely immune to problems. When James arrived, he found out that the issue with Jose’s AC was that it had frozen over completely due to a lack of proper maintenance.

But fear not, as we’ve dealt with issues like this a hundred times, so we were able to fix Mr. Rodriguez’s frozen central AC unit quickly and avoid any issues that could have caused permanent damage. We cleaned the evaporator coils, checked the refrigerant level, and adjusted the thermostat. We also made sure to identify any underlying problems that may have caused or contributed to the issue. As a result, Jose didn’t need a new unit or any drastic repairs.

The ultimate cost of the job depended heavily on the parts that we needed to replace, the brand of the AC unit, and the overall maintenance history of the unit. For the case of Mr. Rodriguez, we had to replace some parts due to excessive damage, and we had to clean the coils. Here’s a breakdown of the costs:

Parts Material Total Cost
1 new fan motor $250 $250
2 pounds of refrigerant $150 $150
1 new air filter $20 $20
2-hour labor for repair $200 $200
Coil cleaning and maintenance $75 $75
Total $695

Thankfully, we were able to help our customer Mr. Rodriguez get his frozen central AC unit up and running quickly and efficiently without breaking the bank.

At Reliable Appliance & HVAC, our highly qualified technicians make sure to perform regular maintenance and tune-ups to avoid issues like these. It’s important to understand that an AC unit goes through a lot of strain during the hot summer months, and your unit may need some extra TLC to make sure it’s working correctly.

If you are experiencing similar issues with your AC, please don’t hesitate to call us! We serve all kinds of homes, including single-family homes, apartments, condos, and mobile homes, and we can repair and maintain virtually any major central AC brand, including but not limited to Rheem, Lennox, Trane, Goodman, and Carrier.

We hope you enjoyed reading our article about finding the solution to your frozen central AC unit. And don’t forget, keeping your AC in tip-top shape is the key to staying cool all summer long!

Why is my central AC frozen? Learn the causes and solutions
Why is my central AC frozen? Learn the causes and solutions
Why is my central AC frozen? Learn the causes and solutions

Tips to Avoid a Frozen Central AC Unit: Advice From Local Experts

Are you tired of your central AC unit freezing up during the hottest days of summer? We know the feeling! As local HVAC experts, we’ve seen our fair share of frozen AC units. Fortunately, there are simple preventive steps you can take to avoid this annoying problem.

When it comes to frozen central AC units, following the manufacturer’s recommendations and those of local HVAC technicians is crucial. Here’s what we suggest:

1. Keep the air filter clean.

A dirty air filter is one of the most common causes of AC issues. A dirty filter restricts airflow, which can lead to your AC unit freezing up. We recommend changing your filter at least once every three months, but if you have pets or live in a dusty area, you may want to change it more often.

2. Check your ductwork.

If your ductwork is dirty or blocked, it can affect your AC’s airflow and cause it to freeze up. Make sure your ductwork is clean and well-sealed, and that there are no obstructions in the vents.

3. Get regular maintenance.

Having your AC unit serviced annually by a professional technician can help prevent frozen AC issues. During a maintenance visit, the technician will clean your AC unit, check for any issues, and make sure everything is running smoothly. This can save you from expensive repairs down the line.

4. Keep your thermostat at a consistent temperature.

Fluctuating temperatures can cause your AC unit to freeze up. Keep your thermostat at a consistent temperature, and avoid setting it too low or turning it on and off frequently.

5. Consider upgrading your AC unit.

If your AC unit is old, it may not be able to handle the demands of your home’s cooling needs. Upgrading to a more efficient and reliable unit can help prevent frozen AC issues and save you money on energy costs.

At Reliable Appliance & HVAC, we’re here to help keep your AC unit running smoothly all summer long. If you’re experiencing AC issues or want to schedule a preventive maintenance visit, give us a call at (866) 516-1222. Our expert technicians are here to help keep your home cool and comfortable!

The Average Repair Cost for a Frozen Central AC Unit

Have you ever experienced the frustration of a frozen central AC unit during a hot summer day? It is a common problem that many homeowners face, and it can be costly to repair. At Reliable Appliance & HVAC, we understand how important it is to get your AC up and running again, so we’re here to give you the best advice on the average repair cost for this issue.

Minimum Repair/Installation Cost

Assuming prices are up 20%, the minimum repair or installation cost for a frozen central AC unit can range from $250 to $500, depending on the brand, AC type, and location of the unit. However, keep in mind that this cost may vary depending on the severity of the problem and the parts required to fix it.

Complex Repair/Installation Cost in San Diego

If you live in San Diego and need a more complex repair or installation, the cost can range from $500 to $1000 or more. Here at Reliable Appliance & HVAC, we always recommend calling our technicians to get an accurate quote for your specific issue.

Parts That May Be Necessary

There are several parts that may be necessary to repair a frozen central AC unit, such as a new air filter, refrigerant, evaporator coils, condenser coils, fuses, or a thermostat. Here is an itemized list of potential parts and their cost:

  • Air filter: $15-$50
  • Refrigerant: $50-$100 per pound
  • Evaporator coils: $200-$600
  • Condenser coils: $300-$800
  • Fuses: $20-$40
  • Thermostat: $70-$300

Keep in mind that these prices may vary depending on the brand and factory recommendations. Our technicians always use brand-specific parts and follow strict guidelines to ensure quality and longevity in their work.

Detailed Repairs

If any additional details are required for the repair, such as electrical work or duct cleaning, the cost may increase. Our technicians always offer a detailed quote upfront, so there are no surprises when it comes to pricing.

Call Reliable Appliance & HVAC

If you’re experiencing a frozen central AC unit, it’s important to call Reliable Appliance & HVAC at (866) 516-1222. Our technicians are experienced and knowledgeable in AC repair, so you can trust that your unit is in good hands.

In conclusion

In conclusion, the cost to repair a frozen central AC unit can range from $250 to $1000 or more, depending on the brand, AC type, and location of the unit. At Reliable Appliance & HVAC, we’re always here to provide our customers with quality and affordable service. So give us a call and let us get your unit up and running again!

The Benefits of Choosing Reliable Appliance & HVAC for Your Frozen Central AC Unit

If you’re experiencing a Frozen central AC unit, you know how frustrating it can be. It’s uncomfortable and can be expensive to repair. But not to worry – Reliable Appliance & HVAC is here to help! We’re a local San Diego family-owned business that specializes in AC repair and installation. With our same-day service, highly trained technicians, and fair pricing, you can count on us to get your AC back up and running in no time.

Same-Day Service and Highly Trained Technicians

At Reliable Appliance & HVAC, we understand the urgency that comes with a frozen AC unit. That’s why we offer same-day service for all of our customers. When you call us, one of our highly trained technicians will arrive at your home promptly and get to work diagnosing and repairing the issue.

Our technicians have a minimum of 5 years of experience on the field to ensure that they can handle any issue that comes their way. We constantly train and update our technicians to make sure they’re up-to-date with the latest technologies and repairs. We’re confident that our technicians can get your AC unit running like new again.

Fair and Affordable Pricing

At Reliable Appliance & HVAC, we believe in fair and affordable pricing for our customers. When we diagnose an issue with your frozen central AC unit, we’ll provide you with a quote that’s based on the actual repair costs.

We use brand-specific parts that are recommended by the manufacturer to restore your AC unit to its original condition. Once you receive the quote, we won’t add any surprise fees or hidden charges – what we quote you is what you’ll pay. We believe that transparency and honesty are essential to building trust with our customers.

Warranty and Discounts

At Reliable Appliance & HVAC, we stand by our work. That’s why we offer a 90-day warranty on all of our repairs. If the same issue arises within 90 days, we’ll come back and fix it for free.

We also offer a $25 discount on repair costs for all first-time customers. This discount is our way of thanking you for choosing us for your AC repair needs.


With our same-day service, highly trained technicians, fair pricing, and warranty, Reliable Appliance & HVAC is the perfect choice for your frozen central AC unit. Our expert team will diagnose, repair and install your central air conditioning system or any other HVAC issue you might have, ensuring your complete satisfaction. Give us a call today at (866) 516-1222 to schedule an appointment and experience the Reliable Appliance & HVAC difference!

FAQ: Why Is My Central AC Frozen? Causes and Solutions

Q: Why is my central AC unit frozen?

A: A central AC unit can freeze due to several reasons, including a dirty air filter, low refrigerant levels, air duct blockages, or a malfunctioning blower fan.

Q: What are the signs that my central AC unit is frozen?

A: If you notice a lack of cool airflow or see ice buildup on the outside or inside of your AC unit, your AC unit is likely frozen.

Q: Can I fix a frozen AC unit myself?

A: It’s not recommended to fix a frozen AC unit yourself, as it can worsen the problem, leading to irreversible damage to your unit. It’s best to contact a professional HVAC technician.

Q: What should I do if my AC unit freezes?

A: Turn off your AC unit immediately, and contact a reliable HVAC service provider to schedule a repair.

Q: How can a professional HVAC technician fix a frozen AC unit?

A: A professional HVAC technician will assess your AC unit’s condition, diagnose the underlying problem, and clean or replace the relevant components, including air filters or refrigerant.

Q: What is the cost of repairing a frozen AC unit?

A: The cost of repairing a frozen AC unit varies based on the underlying issue and the type of AC unit. At Reliable Appliance & HVAC, we offer affordable repair services, including parts, materials, and labor, with upfront pricing.

Q: How can I prevent my AC unit from freezing in the future?

A: Regular maintenance of your AC unit, including cleaning or replacing air filters, checking refrigerant levels, and scheduling annual tune-ups, can help prevent future AC unit freezing.

For reliable and affordable AC unit repairs, call Reliable Appliance & HVAC at (866) 516-1222. Our experienced technicians are available to provide prompt and efficient service to keep your AC unit running smoothly all summer long.