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Is My AC Unit Overworked?

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Is My AC Unit Overworked?

Posted On: May 31, 2024

Is My AC Unit Overworked?

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

  1. 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.
  2. 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.
  3. 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.
  4. Frequent Breakdowns:


    • If your AC unit requires frequent repairs or if parts are consistently wearing out, it might be overworking.
  5. Strange Noises:


    • Unusual sounds such as grinding, squealing, or rattling can indicate that the AC unit is under strain.
  6. Ice Buildup:


    • Ice on the evaporator coils or refrigerant lines can be a sign that the unit is overworking and not operating efficiently.
  7. Excessive Humidity:


    • An overworked AC might not dehumidify the air effectively, leading to higher indoor humidity levels.

Potential Causes of Overworking

  1. 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.
  2. Dirty Filters:


    • Clogged filters reduce airflow, making the unit work harder to push air through the system.
  3. Blocked Vents:


    • Blocked or closed vents can restrict airflow and force the AC to work harder.
  4. Dirty Coils:


    • Dirt and debris on the evaporator or condenser coils can reduce efficiency and cause the unit to overwork.
  5. Low Refrigerant Levels:


    • Insufficient refrigerant can reduce cooling efficiency, causing the unit to run longer.
  6. Poor Insulation:


    • Homes with poor insulation lose cool air quickly, making the AC unit work harder to maintain the set temperature.
  7. Thermostat Issues:


    • A malfunctioning thermostat can cause the AC unit to run excessively.

Steps to Address an Overworked AC Unit

  1. Regular Maintenance:


    • Schedule annual maintenance to ensure the unit is clean and functioning properly.
  2. Clean or Replace Filters:


    • Check and replace filters regularly, typically every 1-3 months, depending on usage and filter type.
  3. Inspect and Clean Coils:


    • Clean the evaporator and condenser coils to improve efficiency.
  4. Check Refrigerant Levels:


    • Have a professional check and refill refrigerant if necessary.
  5. Unblock Vents:


    • Ensure all vents are open and unblocked by furniture or other objects.
  6. Improve Home Insulation:


    • Improve insulation in your home to reduce the workload on your AC unit.
  7. 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:

by Trevor Owens on Twintech Heating and Cooling

I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. I’ve used the company in the past for my furnace so I was happy when I recognized Greg at my front door. He’s great and the service is always top notch. I’d highly recommend using twintech for honest, superior service in the Durham region. Thanks!

by Nicole Alain on Twintech Heating and Cooling

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!!

by Courtney Parkes on Twintech Heating and Cooling

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!!

by Jacqueline Graham on Twintech Heating and Cooling

Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!

by Bill Grainger on Twintech Heating and Cooling

Just had a new furnace installed by Twintech. I can’t express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!

by Colin Vernon on Twintech Heating and Cooling

They've cleaned my furnace a couple of times and mentioned that the hot water tank standards were going to change soon so I decided to change mine out.

There were a few challenges during the process but the installers handled the problems without missing a stride! I now have really hot water again!

by Heidi B on Twintech Heating and Cooling

Highly recommend Twintech Heating company, we got honest and detailed information on what was needed to replace and install a new gas furnace. Bob and Greg made us feel comfortable withe process through their thorough explanation and knowledge of the right furnace for our needs. The professionalism and courteous friendly attitude towards the customer is what we liked the most as they treated us like family. So happy with our decision and new furnace we will be looking into get our rental water heater replaced and installed by Twintech team. We feel better having their knowledge on our side and will only trust them with any further maintenance of furnace.

by Kirushanth Rasiah on Twintech Heating and Cooling

Customer service and knowledge is priority in this industry, and Twintech has it. I've dealt with their team for maintenance and a furnace replacement. They're accommodating and make great recommendations, and came through at a great price over the big guys in the industry. They'll be my next call when I need service or maintenance.

by Leonard Glass on Twintech Heating and Cooling

I decided that the noises and age of the existing furnace which was old and not very efficient to replace it. Gave Greg a call and Grant and Greg got to work on it. Because of supply issues with the current heating type that would be an easier install Greg convinced me to change the location of the system and it would provide me better service for heat and efficiency. I had skeptical but went ahead anyway putting trust in Greg And Grant. Greg, Grant and Mitch came through and in 2 days had completely relocated my heating and A/C system. I can honestly say Greg was right my old house has been warmer and more evenly heated as it ever was. For anyone reading this rather long winded review can take my word for it, Twin Tech can take care of your needs.

by Nicole Alain on Twintech Heating and Cooling

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!!

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See What Our Customers Are Saying:

by Trevor Owens on Twintech Heating and Cooling

I returned from vacation to find my AC unit on the Fritz. After calling way too many places I connected with TwinTech. I’ve used the company in the past for my furnace so I was happy when I recognized Greg at my front door. He’s great and the service is always top notch. I’d highly recommend using twintech for honest, superior service in the Durham region. Thanks!

by Nicole Alain on Twintech Heating and Cooling

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!!

by Courtney Parkes on Twintech Heating and Cooling

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!!

by Jacqueline Graham on Twintech Heating and Cooling

Twintech Heating & Cooling installed my furnace in 2022 and in fall of 2023 installed my Panasonic Heat Pump. Greg and Mitch did a great job. Helped me through the rebate process. Super happy with the Heat Pump. Only used my furnace 5 times this winter. Energy bills lower, carbon emissions lower.Thank you Twintech. I recommend highly!

by Bill Grainger on Twintech Heating and Cooling

Just had a new furnace installed by Twintech. I can’t express how great these guys are at what they do. From the sales to installation they were professional all the way. Very reasonable pricing and courteous during the installation and willing to answer any questions I had. Highly recommended !!!

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