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.

schedule an appointment

Arizona

● Phoenix AC Repair
● AC Repair Tucson

Nevada

● Las Vegas AC Repair
● Reno AC Repair

Texas

● AC Repair Austin
● San Antonio AC Repair

Testimonials

What Our Customers Say About Us

Jerry R. Las Vegas

Want to "Thank" Veronica and Kdyn for the great job they did adding insulation to our attic and cleaning our ducts. They worked well as a…

Damien B. Las Vegas

We were honestly so desperate when our AC went out during the summer. Our little boy was having a hard time and we really needed a solution…

Maryann K. Reno

We had two air conditioning units serviced for routine maintenance, and I couldn’t have been more impressed with the two technicians…

Danette P. Las Vegas

A technician (Cameron) came out to provide an estimate for a water softener system that was leaking resin into my pipes in the house. He…

Donald C. Las Vegas

Our service technician Armando was knowledgeable pleasant and very easy to understand. He clearly explained what we needed and was very…

Thomas H. Austin

Brent did great work and was very pleasant. He made sure I understood what he thought was needed to solve my problem with a tankless water…

Julie M. Austin

All the guys that have come to help us with our 20+ years of grease plugged pipes have been great. Patient and doing their best to help us…

Carla S. Las Vegas

I contacted Goettl for a second opinion inregards to my toilets needing to be rebuilt and my water heater needing repairs. Zach came to…

Traci L. Phoenix

My ac unit went out and it was in the 90s in my house , I take care of my grandson who is 5 and special needs and can't be in the heat and…

Gabrielle C. Phoenix

Lupe was absolutely amazing! Our AC went out, and he came out to our house at 9:00 at night to help get it back up and running. He was…

Yenny C. Phoenix

The service provided was exceptional. A while ago, I reached out to the company for assistance with a few matters. Max Villegas was the…

Kat M. San Antonio

I’m extremely grateful to Chris and his professional team for finally solving my heating and air concerns. My home had an initial design…

Paul R. San Antonio

We bought our house last year. We weren't sure if the previous owner was keeping up with the AC maintenance so we had Goettl come out and…

Mattify C. Reno

Within the past month, I had 2 other unsuccessful diagnostic tests on my air conditioner from different places – but I finally found…

Jim G. Las Vegas

Angel was a pleasure to deal with; knowledgeable, efficient, fast, and extremely personable. After having explained our options thoroughly…

Alyssa L. Reno

Chris was fantastic! Spent ample time answering all of my questions and problem solving next steps for our system. We prioritized which…

Melissa M. Las Vegas

Angel was calm and professional. He understood I have trauma from past technicians with other companies and took me through step by step…

Joseph G. San Antonio

Mere words cannot express, the sense of joy, satisfaction, and gratitude, I have for the incredible professionals at Goettl. Jorge, Josh…

Roosevelt G. Phoenix

Goettl like always are very professional patient and nice. You can tell customer service is their priority and they take pride in it. I had…

Big T. Reno

I would definitely recommend Goettl. Good experience from the time I made the appointment to the end of the service. Mike H was an…

Duchesslisa W. Las Vegas

First, let me say I'm so impressed with Robert following the directions that I gave and where to park was spot on. Robert (Goettl…

Martha W. Reno

We had a fantastic experience with everyone who worked on installing our new hvac duct system. From the knowledge and experience of the…

Nicki T. Austin

Great experience from start to finish. Scheduling was easy, communication was clear, and they arrived right on time. Jarod W. handled the…

Harlan R. Tucson

These guys were amazing. Our hot water heater broke in the middle of the day. I went on several local websites and requested service right…

Ricardo M. San Antonio

Jason the technician is a master class technician who thoroughly assessed our units operational effectiveness and efficiency. He inspected…

Jeremy M. Austin

Brent was very helpful and honest with me when he discovered both my household and city shutoff valves needed replacing, which required…

Marlo W. Las Vegas

After my 24 year old A/C recently went out I immediately called Goettl. As an Arizona transplant I am so glad we have them here in NV, as…

Joseph M. Phoenix

I had a new born baby a few days before but when I got home my home wasn’t cooling down. I had called Goettl at 7pm at night and Sammy had…

CP C. Tucson

Our water bill reflected higher usage than normal. We had a leak but had no idea where it was. Called Goettl, & tech Caleb showed up. He…

Kristina K. Las Vegas

David came to perform a rejuvenation on our HVAC units, we have two. One of them was not kicking on causing half of our home to be…

Douglas A. San Antonio

Christen and Melvin we very knowledgeable and professional. They took the time to explain what they were doing and what the findings…

Alex R. Austin

It was an almost 12 hour job, and throughout, Mr. Herrera’s competency and professionalism were reassuring. As a teacher, whose…

Derek D. San Antonio

The Goettl team was a pleasure to work with. Everyone I came in contact with was professional and very pleasant. They were able to diagnose…

Bruce S. Tucson

OUTSTANDING job by the Goettl plumbing team! From the initial estimate to scheduling and the final installation, every step of the process…

Janet E. Tucson

Immediate response to my call for air conditioning service. Showed up promptly. Technicians are professional and quick to identify the…

Christina C. Phoenix

We cannot say enough good things about our experience! When our AC went out, Nick came out late at night without hesitation to help us. He…

Aj G. Phoenix

Oh my gosh I really love this guy because Donovan. Took his time on explaining everything to us I think this company is honest and caring…

Rick G. Las Vegas

Tristan and Steve replaced 2 bathroom faucets for me today. They were courteous, professional and very respectful of our home. Faucets are…

Jmelissa W. San Antonio

Working with Goettl was a pleasure from start to finish. From the young lady who took my call requesting a quote. Peter came out and was…

Erin S. Phoenix

Ronald came by on a Sunday after our A/C died. Although the part that was needed had to be ordered, he was very efficient and diagnosed the…

Deja D. Tucson

Caleb was fabulous! He was extremely knowledgeable and explained the process to us we didn’t feel rushed and we didn’t feel pressured at…

Ken J. Las Vegas

My overall experience, I would give an A+. The product is great. Everyone who I dealt with on the replacement were extremely professional…

Gilbert W. Reno

Anthony Morgan was our Technician. He arrived on time and always made sure we understood what was happening. Was very patient and diagnosed…

Steve R. Las Vegas

Kevin was super star ⭐️. He showed up looking very professional. He was well spoken . What I mean is he had manners, was respectful. He…

Kayleen M. Phoenix

Kellen our tech was awesome!! We had our entire HVAC system and air ducts cleaned, and the experience was fantastic! He was extremely…

Gary D. Reno

I was very pleased with Goettl Air Conditioning & Plumbing, Andrew the technician was very quick to zero in on the problem and had several…

Jeff P. Tucson

On time – the service provider was courteous, knowledgeable and thorough. He went back and completed a final check after he was done – I…

Zuleika S. Las Vegas

What a great team at Goettl ! Martelvious was quick to do a same day inspection due to leaking found on the side of the house. Jeff came…

Bobby B. San Antonio

Outstanding service! My technician, Juan, clearly explained my plumbing issues and how best to resolve those problems. I was able to ask…

Kevin U. Las Vegas

I had an excellent experience with Goettl, and I want to give a huge thank you to Jeremy Estrella for the outstanding service. From the…

Valerie V. Phoenix

We had a great experience with Goettl! Our AC stopped working during the Arizona heat, and the technician was professional, knowledgeable…

Michael G. Reno

I just wanted to tell how impressed i was with Joe from boston professional and thorough diagnostic and repair of our system. We lost ac…

Logan H. Phoenix

Sam has exceeded my expectations. I was skeptical of an HVAC company servicing my house and taking advantage of me. I feel like Sam has…

Debbie F. Phoenix

Excellent service. Your installers were very efficient and professional. They kept me informed of the changes they were going to have to…

Sean M. Phoenix

Deano, Darnell & Jabari were all amazing to work with! AC went out – had an appointment in 24 hours. Once we identified I needed a new unit…

Sarah I. Phoenix

A few years ago, we purchased an AC unit from Goettl that wasn’t turning on. I called them for service, and three days later, a technician…

Ronnie J. Phoenix

5 star service from our Tech Zach who assisted with diagnosing and remediating slow draining sinks and shower whistling noise. He arrived…

Erica S. Phoenix

I had a great experience with Sam! He was professional, honest, and responsive from start to finish. He arrived on time, quickly diagnosed…

Nancy R. Las Vegas

Josias is amazing. Explained what was going on. Was very honest about what is going on and options to help support the system. Got it up…

Barb L. Phoenix

My a/c started blowing hot at 4:00. I called Goettl at 4:30. They said a tech would arrive between 7:00 & 9:00. At 8:50 Hunter called to…

Joseph M. Las Vegas

The team that came over to help us attain a new AC unit was above and beyond the best experience I have ever had The individuals Gabriel…

Josie P. Phoenix

Our air conditioner was not cooling. We called Goettl since they had installed our AC system 7 years ago. Service technician Christian…

Daniel V. Tucson

Troy initially came out to assess the problem we were experiencing from a 2 year old unit installed by Chas Roberts. We made the mistake of…

Audrey W. Phoenix

I had my yearly air conditioner maintenance performed by Goettl this year, I feel it was a more honest assessment than what a different air…

Raquel L. San Antonio

My downstairs AC unit kept shutting off repeatedly and I had to keep suctioning the condensation line with my shop vac just to get it…

Yolanda C. Reno

I cannot say enough great things about Matt and Jake. My mother in laws house had a major issue with the AC. Their company got us in right…

Cathren S. Austin

I have been using Goettl A/C and heating now for a few years now, and have been very please with their professionalism. They truly care…

Audrey B. Phoenix

Christian was absolutely amazing and has my AC working like a champ! He was very knowledgeable, kind, and patient with all the questions I…

Big R. Las Vegas

Complete system install. Condensor/compressor, evaporator coil, and furnace. Not cheap,(got similar/ same quotes from smaller companies)but…

Ralph M. Phoenix

The Goettl team that worked on the installation of the AC and repair of the. cooler On my home-were Cesar, Adrian,Rhino And Kevin. I was…

Ben K. Reno

Great experience with Nevada Heating. Came back from a week-long trip to find my house was 90 degrees at 3am. I reached out through the…

Joscelyn I. Phoenix

I had an outstanding experience with Goettl and highly recommend them! From start to finish, the team was professional, courteous, and…

Melissa M. Tucson

Hector from Goettl Air Conditioning and Plumbing provided an outstanding service experience. He was extremely professional, knowledgeable…

Jill D. Las Vegas

I cannot express enough thanks to Goettl. There was a bit of confusion with the first tech but then Joe picked up the ball and he was so…

Marilee H. Phoenix

We had a baby shower scheduled on the same day as our anual check up. It was a foos thing because some of our components were compromised…

Jeni F. Las Vegas

I would give 10 Stars 🌟 if possible. My service was exceptional. Dammar needs a shout out and a raise/bonus. It is extremely hot but he…

Delene B. Reno

Quinn did our service, he arrived during the time frame we were told, he was kind, understanding, and completely respectful to us, our home…

Valentina P. Las Vegas

TIM IS THE BEST HANDS DOWN. I Had the best experience with Goettl, ac unit died and I had called many different companies to get it checked…

Braiden S. Phoenix

From the first rep arriving to the finish of the installation this process was customer focused and extremely professional. You pay for…

Chuck L. Las Vegas

I am proud to write this review. I had two AC units replaced by Goettl. Four gentleman with three trucks arrived and within nine hours…

Scotty B. Austin

Had been working with another company in Austin and brought Goettl in for a second opinion and haven’t ever looked back. Jarod guided us…

Greg A. Phoenix

I had Goettl replace my entire split A/C system. they gave me an estimate late in the evening on June 10th 2026 and they completed the…

Elise W. Reno

Conner the plumber came to give us a water heater install estimate. He was very punctual and professional. Communication was excellent. He…

Keely A. Reno

Chris completed maintenance on our air conditioner and found an oil leak in our motor. He found a replacement, drove to get it, and…

Danielle D. Las Vegas

This was my first time using this company. GOETTL customer service was great. Ken was very nice and got to the point of the problem. Jun…

Melisa W. San Antonio

I’d like to share my HVAC service experience with representative Daniel C. He was extremely attentive and professional from the moment he…

Catherine B. San Antonio

After another HVAC company's poor installation resulted in our fan blade coming loose and becoming bent, we were left with a very loud and…

Irene S. San Antonio

Outstanding experience with Andrew Morgan! I normally don’t write reviews, but wanted to express my gratitude for Andrew coming by for…

Nadine P. Reno

I have had 2 wonderful experinces with Goettl's Service Technicians. My first experience started with Davey Bell. His politeness and…

Rome K. Las Vegas

I had Colby out today for my yearly HVAC system service. He was very professional and explained his procedures along the way. Last year…

Ariana S. Phoenix

Andrew was professional, knowledgeable and really went above and beyond to ensure our unit was functioning properly. His expertise in…

John R. Las Vegas

I don’t usually leave reviews, but I felt compelled to share my Goettl experience this time. Devin was exceptionally professional by…

Ashanti B. San Antonio

⭐️ If I could give Blake 12,000 stars, I would — five stars just isn’t enough! ⭐️ Blake was absolutely amazing from start to finish. He was…

Deanna J. Phoenix

Had a full system cleaning and scheduled a duct cleaning. I never would have done it if not for the service we received from Sam. He was…

Greg F. Reno

Mike from Goettl plumbing repaired a water line that had burst under the house. He came out right away and did a great job. I believe…

John M. Phoenix

Based on my experience with their technician Jordan, I HIGHLY recommend Goettl! Jordan saved us THOUSANDS of dollars in repair or…

Christopher U. Las Vegas

I have worked with Goettl on multiple projects, and the quality of service has consistently been excellent. For this visit, Caleb Fawcett…

Kent L. Austin

We have been satisfied Goettl Loyalty Program members for several years and today was our regularly scheduled Annual Plumbing Checkup. Both…

Fran E. Phoenix

I had three companies come out for estimates on my sewer repairs. I chose Goettl because of a fair price and they really made me…

Sandra Q. Tucson

Excellent service from beginning to end from both Colton and Jeren! I called Goetti at 11:30 a.m., and they had completed the job by 6…