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Is My AC Unit Overworked?
Posted On: May 31, 2024
If you're concerned that your AC unit might be overworked, there are several signs and factors you can consider to determine if it’s operating beyond its capacity or needs maintenance. Here’s a detailed guide to help you assess the situation:
Signs Your AC Unit May Be Overworked
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Constant Running:
- If your AC unit runs continuously without cycling off, it could be a sign that it’s struggling to maintain the set temperature.
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Inadequate Cooling:
- If your home isn’t cooling to the set temperature or if there are hot spots in certain areas, your AC might be overworked.
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High Energy Bills:
- A sudden spike in your energy bills without a corresponding increase in usage can indicate that your AC is working harder than usual.
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Frequent Breakdowns:
- If your AC unit requires frequent repairs or if parts are consistently wearing out, it might be overworking.
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Strange Noises:
- Unusual sounds such as grinding, squealing, or rattling can indicate that the AC unit is under strain.
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Ice Buildup:
- Ice on the evaporator coils or refrigerant lines can be a sign that the unit is overworking and not operating efficiently.
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Excessive Humidity:
- An overworked AC might not dehumidify the air effectively, leading to higher indoor humidity levels.
Potential Causes of Overworking
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Incorrect Sizing:
- An AC unit that is too small for the space it’s cooling will have to work harder to maintain the desired temperature.
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Dirty Filters:
- Clogged filters reduce airflow, making the unit work harder to push air through the system.
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Blocked Vents:
- Blocked or closed vents can restrict airflow and force the AC to work harder.
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Dirty Coils:
- Dirt and debris on the evaporator or condenser coils can reduce efficiency and cause the unit to overwork.
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Low Refrigerant Levels:
- Insufficient refrigerant can reduce cooling efficiency, causing the unit to run longer.
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Poor Insulation:
- Homes with poor insulation lose cool air quickly, making the AC unit work harder to maintain the set temperature.
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Thermostat Issues:
- A malfunctioning thermostat can cause the AC unit to run excessively.
Steps to Address an Overworked AC Unit
-
Regular Maintenance:
- Schedule annual maintenance to ensure the unit is clean and functioning properly.
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Clean or Replace Filters:
- Check and replace filters regularly, typically every 1-3 months, depending on usage and filter type.
-
Inspect and Clean Coils:
- Clean the evaporator and condenser coils to improve efficiency.
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Check Refrigerant Levels:
- Have a professional check and refill refrigerant if necessary.
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Unblock Vents:
- Ensure all vents are open and unblocked by furniture or other objects.
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Improve Home Insulation:
- Improve insulation in your home to reduce the workload on your AC unit.
-
Upgrade Thermostat:
- Consider upgrading to a programmable or smart thermostat for better control over cooling cycles.
Professional Help
If after these checks and adjustments your AC unit still seems overworked, it’s advisable to consult a professional HVAC technician. They can perform a thorough inspection, identify any underlying issues, and provide solutions to prevent your AC unit from overworking.
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See What Our Customers Are Saying:
Aug 8, 2025
We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.
Aug 8, 2025
Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!
Feb 18, 2025
Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.
Feb 18, 2025
We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!
Feb 18, 2025
TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!
Feb 18, 2025
Amazing experience with TwinTech Heating & Cooling! Their team was professional, knowledgeable, and efficient from start to finish. They installed my new furnace quickly and left everything spotless. The technicians took the time to explain everything and made sure I was comfortable with the system before they left. Great customer service and fair pricing. I highly recommend them for anyone needing HVAC services!
Feb 18, 2025
Great experience all around. Bob was sharp and easy to talk to, and Greg handled the installation perfectly. Would hire them again in a heartbeat.
Aug 17, 2024
I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. Ive used the company in the past for my furnace so I was happy when I recognized Greg at my front door. Hes great and the service is always top notch. Id highly recommend using twintech for honest, superior service in the Durham region. Thanks!
Aug 13, 2024
I called Twin Tech when my air conditioning stopped working. Greg came over to diagnose the issue - the same day. He was able to diagnose the issue and resolve it quite quickly. Although it was a quick fix, Greg was very thorough in explaining the issue and provided great advice. Not to mention, I felt very comfortable having Greg in my home - which I consider very important when hiring a service provider. Twin Tech will be my go-to from now on. Thank you!!
Aug 12, 2024
Just hired TwinTech Heating & Cooling to do an A/C Unit removal & reinstall to allow for landscaping access on the side of my house, and they were wonderful!
Bob, Greg & Mitch make a great team! Quick appointment times, super knowledgeable, expert troubleshooting capabilities & very customer service oriented.
I would highly recommend them for all of your HVAC needs! Great job guys!!
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