Goettl Air conditioning unit

AC Repair Warning Signs: Hot Spots

When living in hot weather conditions any issues with your air conditioning system can be concerning. Hot spots throughout your home are a warning sign that your AC may be in trouble. An ideally sized and properly installed air conditioner should cool your home evenly. So, experiencing hot spots could indicate a problem with your AC system.

While not every hot spot is directly related to air conditioning problems, it’s crucial to have any issues diagnosed professionally to prevent further damage. Entrust your air conditioning repairs to our team of experts to ensure your system receives the necessary attention to perform efficiently, especially during the hottest months of the year.

This article discusses the common warning signs of air conditioning issues, focusing on hot spots in your home and their potential causes.

1. Degraded or Insufficient Insulation

One reason for hot spots in your home could be degraded or insufficient insulation. Damaged insulation can result in excessive heat transfer due to moisture, pests, or low R-value. Remember, insulation works both ways, so if your home lacks proper insulation, it can absorb excessive heat, leading to hot spots.

Identifying Insulation Issues

  • Moisture Damage: Insulation can degrade due to moisture buildup, leading to microbial growth and reduced effectiveness.
  • Pest Infestation: Pests like rodents can damage insulation, creating gaps and reducing its ability to regulate temperature.
  • Age and Wear: Over time, insulation can deteriorate, especially in areas with extreme temperature changes, leading to decreased efficiency.

Effects of Insufficient Insulation

  • Uneven Temperatures: Insufficient insulation can result in hot spots in some areas and cold spots in others, making your home uncomfortable.
  • Increased Energy Bills: Poor insulation can make your unit work harder to maintain a comfortable temperature, leading to higher energy costs.
  • Reduced Indoor Air Quality: Insufficient insulation can allow pollutants from outside to enter your home, affecting indoor air quality.

Insulation Types and R-Value

  • Fiberglass: Commonly used in homes, fiberglass insulation is effective and has a high R-value per inch.
  • Cellulose: Composed of recycled paper, cellulose insulation is eco-friendly and has good thermal performance.
  • Spray Foam: Provides an air-tight seal and can be used in hard-to-reach areas, but may be more expensive.

Benefits of Upgrading Insulation

  • Improved Comfort: Proper insulation helps maintain a consistent temperature throughout your home, eliminating hot spots.
  • Energy Savings: Upgrading insulation can reduce energy bills by improving your home’s energy efficiency.
  • Environmental Impact: By reducing your energy consumption, upgraded insulation can help lower your carbon footprint.

Insulation Inspection and Replacement

  • Professional Inspection: A professional can assess your current insulation and recommend upgrades or replacements.
  • DIY Inspection: You can visually inspect your insulation for signs of damage, such as gaps, moisture, or pest infestation.
  • Replacement Considerations: When replacing insulation, consider factors like R-value, material, and installation method to ensure optimal performance.

2. Damaged Air Ducts

Another common issue that can cause hot spots is damaged air ducts. Central air conditioning systems utilize ducts for distributing cooled air throughout your home. If these ducts are damaged or leaking, the affected areas won’t receive the right amount of cooling. Ducts passing through unconditioned areas, like the attic, can also pull in hot air, making your AC work harder than necessary.

Types of Duct Damage

  • Leaking Ducts: Holes, cracks, or disconnected joints in ductwork can allow cooled air to escape before reaching the intended area.
  • Collapsed Ducts: Pressure imbalances or physical damage can cause sections of ductwork to collapse, restricting airflow.
  • Restricted Ducts: Blockages from debris, dust, or pests can restrict airflow, leading to uneven cooling.

Signs of Damaged Air Ducts

  • Uneven Cooling: Hot spots in some areas of your home while others remain cool.
  • Increased Energy Bills: The system works harder to compensate for the loss of cooled air.
  • Visible Damage: Visibly damaged or disconnected ducts in inaccessible areas like the attic or crawl space.

Causes of Duct Damage

  • Age: Older ductwork may deteriorate, especially if not properly maintained.
  • Poor Installation: Improperly installed ducts are more prone to damage and leaks.
  • Pests: Rodents and insects can cause damage by chewing through ductwork.

Effects of Damaged Air Ducts

  • Reduced Efficiency: Leaks and blockages can reduce your HVAC’s efficiency, increasing energy consumption.
  • Poor Indoor Air Quality: Leaks in ductwork cause dust, allergens, and pollutants to enter the air, affecting indoor air quality.
  • System Strain: Increased strain on the HVAC system can lead to premature wear and tear, resulting in more frequent air conditioning repairs.

Duct Repair and Maintenance

  • Professional Inspection: A professional HVAC technician can inspect your ductwork for damage and recommend air conditioning repairs.
  • Duct Sealing: Sealing leaks and gaps in ductwork can improve efficiency and reduce energy waste.
  • Duct Replacement: Replacing ductwork may be necessary to ensure optimal performance in severe damage or old-age cases.

3. Faulty Thermostats/Poor Placement

If you have a zoned cooling system, ensure each thermostat is set correctly. A faulty thermostat in a particular zone can lead to discomfort. For homes without zoned systems, a thermostat placed in an area that is not representative of the overall temperature can result in uneven cooling. Goettl can help diagnose and resolve thermostat issues to ensure your home stays comfortable.

Common Thermostat Problems

  • Incorrect Temperature Readings: A faulty thermostat may display inaccurate temperature readings, leading to improper cooling.
  • Unresponsiveness: The thermostat may not respond to changes in settings or fail to turn the HVAC system on/off as intended.
  • Erratic Behavior: The thermostat may exhibit erratic behavior, such as frequent cycling or sudden temperature changes.

Impact of Faulty Thermostats

  • Uneven Cooling: Incorrect thermostat readings can result in some areas of the home being too hot or too cold.
  • Energy Waste: A malfunctioning thermostat can cause the HVAC system to run unnecessarily, leading to higher energy bills.
  • Discomfort: Inaccurate temperature control can lead to discomfort for occupants, especially during extreme weather conditions.

Thermostat Placement Considerations

  • Proximity to Heat Sources: Thermostats near heat sources like lamps or appliances may give inaccurate readings.
  • Sun Exposure: Direct sunlight can affect thermostat readings, leading to incorrect temperature settings.
  • Airflow Obstructions: Thermostats placed near furniture or curtains may not accurately sense room temperature.

Thermostat Troubleshooting and Solutions

  • Calibration: A professional HVAC technician can calibrate the thermostat to ensure accurate temperature readings.
  • Relocation: If the thermostat is poorly placed, relocating it to a more central and representative location can improve performance.
  • Replacement: In cases of irreparable damage or outdated thermostats, replacing the unit with a newer model may be necessary.

Benefits of Professional Thermostat Services

  • Optimized Comfort: Professional thermostat services can ensure that your HVAC system maintains optimal comfort levels throughout your home.
  • Energy Efficiency: Properly functioning thermostats can help reduce energy waste and lower monthly utility bills.
  • Long-Term Savings: Investing in thermostat maintenance and repairs can increase the lifespan of your HVAC system, saving you money on costly replacements.

Take Action Today!

If you’re experiencing hot spots in your home, addressing the underlying issues promptly is crucial. Professional diagnosis and repairs can help maintain even cooling throughout your home, ensuring comfort during the hot summer. Contact Goettl today for expert assistance with your air conditioning system.


What Our Customers Say About Us

eryn belleryn bell
17:29 19 Apr 24
Marcos was amazing! He really explained the work being done today! He took his time and went the extra mile. I truly appreciate his time!
Mark RichardsonMark Richardson
17:18 19 Apr 24
Abdiel is a good Tech. He showed up on time. Very friendly and takes time to explain any issues and is very helpful in answering any questions. He represents Goettl well.
Q JonesQ Jones
16:41 19 Apr 24
Rudy & Chris was amazing. He thoroughly explained everything and found a leak in the AC drip pan! Thank You!!
gilbert Mirandagilbert Miranda
16:36 19 Apr 24
Have used Goettl several times before and always request Joe Benavides!!! Always courteous and professional. A true asset to your team
scott woodcoxscott woodcox
16:24 19 Apr 24
Frank M and Terron did an excellent job with explaining and giving my options on my water heater. Please use these folks
Ninfa MaresNinfa Mares
17:54 17 Apr 24
Sam provided great customer service!
Katherine PradosKatherine Prados
17:11 17 Apr 24
2.7.24Jay Cruz, technician, arrived on time today to service/check my ac/heating. Jay arrived timely and was friendly. Jay checked my inside unit, ceiling vents, etc and he made some recommendations. He was easy to talk to and very professional. He will be sending me an email with the recommendations and costs associated so that I can save the money to have these taken care of. I will say, no other technician has been as proficient as Jay.Yesterday, 2.6.24, I received a call from Betty. Betty was also very friendly, professional and knowledgeable. She listened to me and made recommendations and advice. By the end if the call, I felt like Betty was a friend.Thank you to Jay and Betty!Late one evening I was washing clothes. Daughter noticed water on floor under washer. I was so upset and worried about finding someone to fix the problem, whatever it was, and especially the cost. Goettl this the rescue! Namely, their employee/plumber, Chris! The next day, Chris came, found the clog in my pipes, and…voilà! We joined their $14.95 per month plan and that was all we paid for a job well done! Thank you!3.26.24Tyler Leija was great! He checked my drain pipe outside with a camera. Advised everything was clear. He checked my kitchen and master bathroom sinks and toilet. Tyler was friendly, but professional. Thank you.4.17.24Frank M arrived here on time. He was friendly and professional. He explained everything he was going to do today. He completed everything he mentioned. He provided suggestions of things that need or should be taken care of. Nothing urgent. He installed the water heater sensor in addition to other plumbing type things. He drained the water heater. He spoke to his supervisor, Terronne (sp?). Should received estimates for hvac and water heater. Thank you Frank! Great job!
Susie FindeisenSusie Findeisen
17:09 17 Apr 24
Matthew was Totally professional, respectful, knowledgeable and a very kind person.He didn’t rush me and was very thorough! Thank you so much -I’m glad you were the one helping me
raul rodriguezraul rodriguez
16:58 17 Apr 24
Jesus Gloria did an amazing job and very informative.
Gerry BenaventeGerry Benavente
23:38 16 Apr 24
I am very satisfied with the drain clog/clearing work that Deonte Wilson did for me today. He was very professional and personable. He explained everything that he was doing and was very pleasant to talk to as well. The price was right and service was outstanding! Thank you!
cindy vanbebbercindy vanbebber
16:59 09 Apr 24
Dad and I are thankful for your company and am comforted by the products in our home that u have so proudly taken care of on our behalf.
Mindy MayfieldMindy Mayfield
15:15 09 Apr 24
Roy A. was a pleasure to work with. He thoroughly and expertly explained all of the issues with my system with pictures and videos. He was transparent about the remediation options available to me and patiently reviewed each option with me. The install team, Daniel and Roy, were equally as awesome. They too were extremely knowledgeable, patient with my questions, and worked diligently to get my new unit up and running safely in one day. I couldn’t have asked for a better team.
Gary GarciaGary Garcia
22:35 08 Apr 24
Tyler did a great job, taking care of the plumbing problem. Great customer service, and describing the problem.
Gloria LamoureuxGloria Lamoureux
22:28 08 Apr 24
Outstanding, thorough professional service by Sam. Ensured all services were fully explained and all work well done. You can be proud to have him as a part of Goettl's service team.
Mike MouserMike Mouser
20:29 08 Apr 24
Billy gave me good service and advice
Jason SanchezJason Sanchez
21:22 06 Apr 24
Vonzetta HickmanVonzetta Hickman
17:53 06 Apr 24
Pedro did a thorough job,he even took the time to walk me through the proper care of my unit.
Randy HinesRandy Hines
16:26 06 Apr 24
Our thanks to Billie for his great service and insights. Also, the professionalism from Goetti And in particular, Stacey, and her scheduling and notifications are always a pleasure. If we could expect this kind of service from all vendors, we wouldn’t have to write reviews! Well done guys.
Al GilmerAl Gilmer
15:14 06 Apr 24
William the technician did a fabulous job. April did a great job settingup the appointment.
dtxdemon S,A.TX.dtxdemon S,A.TX.
00:42 06 Apr 24
Done a amazing jobAbdiel